highaltitude.log.20131203

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[00:05] <arko> i dont think this really classifies as MEMS
[00:05] <arko> i dunno
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[00:20] <SpeedEvil> http://www.youtube.com/watch?v=9VDvgL58h_Y
[00:21] <SpeedEvil> (not on topic)
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[00:24] <lz1dev> anyone up that has a ezcap
[00:25] <arko> yes?
[00:25] <lz1dev> you know the key that comes with the box
[00:25] <lz1dev> the one for presto pvr
[00:26] <lz1dev> key as in serial
[00:26] <arko> oh
[00:26] <arko> i dont remember getting one
[00:26] <lz1dev> don't have my box with me and i cant install presto without it
[00:26] <arko> aw
[00:26] <arko> cant help ya there
[00:27] <lz1dev> cant remember where it was written
[00:27] <lz1dev> think the quick guide
[00:28] <arko> https://www.google.com/search?q=presto+pvr+serial+key
[00:28] <arko> at your own risk
[00:28] <arko> links may be bad
[00:28] <arko> so be careful
[00:28] <arko> it doesnt seem like any sort of serious software to be worried about
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[00:41] <lz1dev> welp
[00:41] <lz1dev> no luck
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[06:37] <jarod> http://news.bbc.co.uk/2/hi/in_depth/629/629/7600053.stm (ya ya ya not high... but still fun, tracking)
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[07:23] <jarod> Any pilots here?
[07:23] <jarod> METAR: EHAM 030655Z 00000KT 4000 0250E R18C/P2000 R27/0550 R18R/P2000 R06/0300 FZFG SCT017 M01/M01 Q1029 TEMPO 0400
[07:24] <jarod> what does the 0250E mean?
[07:27] <DL7AD> jarod: me.... never heared something about
[07:28] <jarod> well its active now: http://en.allmetsat.com/metar-taf/europe.php?icao=EHAM
[07:28] <jarod> and when you google metar 0250E you see a lot of records
[07:28] <DL7AD> i got this: EHAM 030725Z 19003KT 0500 R18C/P2000 R27/0300 R18R/P2000 R06/0450 FZFG SCT017 M02/M02 Q1030 TEMPO 0150
[07:29] <jarod> JUST updated, heh
[07:30] <jarod> so... what does the 0500 mean then? :)
[07:30] <DL7AD> visibility 500m
[07:30] <jarod> it was 4000 0250E
[07:30] <DL7AD> FZFG freezing fog
[07:31] <jarod> ya i know all, but 0250E (0500)
[07:31] <DL7AD> maybe 250 temporarly
[07:31] <DL7AD> or estimated
[07:31] <jarod> yeah
[07:31] <jarod> 4000 it was... 250 estimated.... sound logical
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[07:39] <jarod> http://heras-gilsanz.com/manuel/METAR-Decoder.html input: EHAM 030655Z 00000KT 4000 0250E R18C/P2000 R27/0550 R18R/P2000 R06/0300 FZFG SCT017 M01/M01 Q1029 TEMPO 0400 <-- 0250E = Visibility: 250 m direction East
[07:39] <jarod> DL7AD
[07:40] <DL7AD> okay... make sense as well
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[07:42] <tjanos> good morning!
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[07:57] <DL1SGP> good morning
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[08:34] <DL7AD> morning DL1SGP
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[08:34] <DL1SGP> Na Sven, allesfit?
[08:35] <DL7AD> DL1SGP: hm.. ja *gääähhn*
[08:36] <DL1SGP> :)
[08:36] <DL7AD> kaffee...
[08:36] <DL1SGP> ich muss auch noch nen bisserl kaffee nachgiessen
[08:36] <DL7AD> muss erstma zum automaten laufen. bin schon wieder in der uni.
[08:40] <DL1SGP> Du brauchst ne huebsche Hiwi
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[08:41] <DL1SGP> Oder ne gute Thermoskanne :) die redet weniger
[08:41] <DL1SGP> Morning Matt
[08:42] <ibanezmatt13> Morgen :)
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[08:57] Nick change: WillDuckworth_ -> WillDWork
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[09:17] <jcoxon> morning all
[09:18] <number10> morning
[09:31] <UpuWork> morning James
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[09:33] <UpuWork> doing a TA floater attempted with a small vent tube in the base of the balloon later
[09:34] <jcoxon> oooo
[09:34] <jcoxon> i like that idea
[09:34] <jcoxon> i think vents will come back in to experimental fashion
[09:35] <jcoxon> i'm certainly having a think about them
[09:35] <eroomde> morning james
[09:35] Action: jcoxon is pleased as he has just saved himself some money on his broadband contract
[09:35] <eroomde> james
[09:35] Last message repeated 1 time(s).
[09:35] <jcoxon> eroomde, one of those days?
[09:36] <eroomde> yes
[09:36] Last message repeated 2 time(s).
[09:36] <eroomde> was in cam last night
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[09:36] <eroomde> i've been out every night for the last 5 nights, and i have a badminton match tonight
[09:36] <jcoxon> oh dear
[09:36] <eroomde> i'd quite like to just sit still for an evening
[09:36] <jcoxon> CUSF dinner?
[09:37] <eroomde> yes
[09:38] <jcoxon> cool
[09:38] <jcoxon> went to a cool resturant last night - Chopshop on Haymarket
[09:38] <jcoxon> good steak
[09:39] <eroomde> i've heard of it
[09:40] <jcoxon> UpuWork, when is launch?
[09:43] <UpuWork> later today
[09:43] <Steve_G0TDJ> Morning
[09:43] <UpuWork> dual 70cms transmitters
[09:43] <Steve_G0TDJ> Launch, today?
[09:43] <UpuWork> and a Azores/Euro APRS
[09:43] <UpuWork> actually same tracker that I sent to Austria
[09:43] <jcoxon> why dual 70cm?
[09:44] <UpuWork> backup
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[09:44] <jcoxon> oh i see
[09:44] <jcoxon> we need to recruit some East Coast USA listeners
[09:44] <UpuWork> as they weigh >50g with batteries for 5 days seems little point in not flying 2
[09:44] <UpuWork> err
[09:44] <UpuWork> <
[09:44] <UpuWork> yeah he has a few
[09:44] <jcoxon> okay
[09:45] <jcoxon> launch from new york state?
[09:46] <jcoxon> good move going for 70cm and then European APRS rather then US APRS
[09:47] <jcoxon> shall certainly be following
[09:47] <fsphil> it'll be an interesting flight no matter what happens
[09:48] <DL1SGP> yay good luck for launch UpuWork
[09:49] <UpuWork> there is a CW beacon on there too
[09:49] <UpuWork> no location info from it
[09:49] <Steve_G0TDJ> On 70?
[09:49] <jcoxon> UpuWork, is there going to be a webpage of these details
[09:49] <jcoxon> worthwhile having them available when you are not around to answer the questions
[09:50] <UpuWork> yeah I will mail the list with as much info as I can
[09:50] <UpuWork> I'm holding off until I get confirmation he's launching
[09:50] <UpuWork> weather may be snow
[09:50] <UpuWork> might need to extend flight doc too
[09:51] <UpuWork> was meant to launch on Friday but UPS failed miserably
[09:51] <UpuWork> It was pleasing to request the overall weight of the payload from an American and get the answer back in metrix
[09:51] <UpuWork> metric
[09:52] <fsphil> he went that extra mile
[09:52] <fsphil> er
[09:52] <UpuWork> haha
[09:54] <Steve_G0TDJ> UpuWork: Did you get a chance to look at that e-mail I sent you?
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[09:58] <UpuWork> not yet Steve_G0TDJ
[09:58] <UpuWork> working through my back log atm
[09:58] <Steve_G0TDJ> OK< No rush
[10:02] <UpuWork> will try later on sorry
[10:02] <Steve_G0TDJ> Yeah, there really is no rush. No need to apologise. I know you're busy.
[10:02] <UpuWork> what version of Arduino are you using ?
[10:03] <Steve_G0TDJ> The latest
[10:04] <UpuWork> wierd
[10:04] <UpuWork> yes confirm thats an issue
[10:05] <Steve_G0TDJ> I was chatting to Matt about it and he tried in Visual C and got the same error I believe
[10:06] <UpuWork> replace line with
[10:06] <UpuWork> c = varicode[code][i];
[10:06] <Steve_G0TDJ> OK
[10:07] <Steve_G0TDJ> That appears to work
[10:07] <Steve_G0TDJ> Well it compiles
[10:07] <UpuWork> oh
[10:07] <UpuWork> lol
[10:07] <UpuWork> nice
[10:07] <Steve_G0TDJ> I'll rig up the hardware later
[10:07] <UpuWork> [code] is a Word Press tag
[10:07] <UpuWork> so it doesn't appear
[10:07] <Steve_G0TDJ> Ah!
[10:07] <Steve_G0TDJ> Can you put it in double quotes or something?
[10:08] <Steve_G0TDJ> I'm not sure how you get round it in WP
[10:08] <nats`> hi
[10:08] <Steve_G0TDJ> Hiya
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[10:09] <Steve_G0TDJ> I'm surprised it does that in quoted code.
[10:09] <UpuWork> botch fixed
[10:09] <UpuWork> http://ava.upuaut.net/?p=633
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[10:10] <Steve_G0TDJ> Not on my screen Anthony
[10:10] <Steve_G0TDJ> I've refreshed the page with Ctrl-F5 too
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[10:12] <UpuWork> is on mine
[10:12] <UpuWork> try again in a bit it may be cached
[10:13] <Steve_G0TDJ> Same... I'll try a different browser
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[10:13] <UpuWork> I just changed the name to vcode
[10:13] <Geoff-G8DHE-M> c=varicode1[i]; here as well
[10:13] <Steve_G0TDJ> Nope, same in IE and Firefox
[10:14] <Steve_G0TDJ> Thanks Geoff
[10:14] <UpuWork> try again in a bit
[10:14] <Steve_G0TDJ> OK
[10:15] <Steve_G0TDJ> Thanks for sorting it Anthony
[10:15] <Geoff-G8DHE-M> Upu, Is there a supply of those LNA chips available from your shop ?
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[10:16] <Geoff-G8DHE-M> UpuWork that should have been
[10:18] <UpuWork> I generally don't sell them
[10:18] <UpuWork> are you using them for something else ?
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[10:21] <Geoff-G8DHE-M> Yup putting together a couple for Sonde freq's on a much smaller board if i can find a source of small quantities
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[10:28] <UpuWork> notice the three recievers in Maine jcoxon
[10:29] <UpuWork> oh you left
[10:33] Nick change: Mission-Critical -> MissionCritical
[10:35] <nats`> since I think about it on the LNA topic UpuWork is it possible to remove the filter and have a wideband LNA ?
[10:35] <UpuWork> Geoff-G8DHE what frequency do you need ? I can make custom habamps
[10:35] <UpuWork> don't see why not nats`
[10:35] <UpuWork> just bridge it
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[10:38] <PE2G> UpuWork: Just for my info, could you als supply a habamp for 401-406 MHz?
[10:39] <UpuWork> Yes
[10:39] <UpuWork> lemmie check
[10:39] <Geoff-G8DHE-M> Well the board needs to be same/smiliar width as a Dongle board and covering 400-410MHz I haven't got the exact dimensions down here at the moment, but the whole lot would is intended to fit in the bottom of a colinear style aerial hence the need for a slim board.
[10:40] <Geoff-G8DHE-M> There is a source on Ebay but not sure of reliability.
[10:41] <UpuWork> ok
[10:41] <UpuWork> just checking now
[10:41] <UpuWork> so 401-406
[10:42] <UpuWork> 404Mhz with 3Mhz bandwidth
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[10:42] <PE2G> UpuWork: Sounds good. Nice, thanks. I'll post this info to the Dutch met balloon forum. I expect some interest.
[10:42] <UpuWork> I'll make you a sample up if you want PE2G
[10:43] <UpuWork> send you it you can play with it and let me know
[10:43] <PE2G> Would be great UpuWork :)
[10:45] <UpuWork> I've sent a mail
[10:45] <UpuWork> will advise
[10:46] <daveake> SondeAmp :)
[10:48] <PE2G> UpuWork: OK thanks.
[10:48] <UpuWork> PM PE0SAT
[10:48] <UpuWork> doh
[10:48] <UpuWork> PE2G
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[10:59] <DL7AD> DL1SGP: pretty cold here in wildau
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[10:59] <DL7AD> clear sky at night and cloudy on day
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[11:29] <jcoxon> delivery of my FT290r
[11:29] <jcoxon> nicely decoding 144.800 APRS
[11:30] <fsphil> sucker for the old tech eh? :)
[11:30] <jcoxon> only FT*90s
[11:31] <jcoxon> looks good stacked on my 790
[11:31] <fsphil> there is something cool about them
[11:31] <jcoxon> i won't get anything else
[11:31] <jcoxon> (as in no more purchase)
[11:31] <PE2G> Built like a tank :)
[11:31] <fsphil> ah 2.5 watts
[11:31] <fsphil> more powerful than the 790
[11:31] <jcoxon> yeah
[11:32] <Steve_G0TDJ> MK-Is James?
[11:32] <jcoxon> yeah
[11:32] <fsphil> there is a 6m eversion
[11:32] <fsphil> FT690R
[11:32] <Steve_G0TDJ> Yeah, I have 290 and 790 I'd love a 690 for the set
[11:32] <jcoxon> Steve_G0TDJ, we could probably do simplex on 2m
[11:33] <Steve_G0TDJ> Possibly but I have an FT857 in the shack
[11:33] <fsphil> I'd like to try 6m from a payload if we do get to use amateur radio bands
[11:33] <Steve_G0TDJ> Listening on 145.450 now
[11:33] <Steve_G0TDJ> We can hope Phil
[11:34] <jcoxon> shall i call CQ?
[11:34] <Steve_G0TDJ> Call me direct if you like, no one else on freq
[11:35] <Steve_G0TDJ> Was that you calling?
[11:36] <jcoxon> yeah
[11:36] <Steve_G0TDJ> YOu just tipped the squelch over
[11:36] <Steve_G0TDJ> No audio
[11:37] <Steve_G0TDJ> Whats your callsing James, I can't remember
[11:37] <Steve_G0TDJ> callsign
[11:37] <jcoxon> m6jcx
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[11:44] <fsphil> could try SSB
[11:45] <jcoxon> thats a fair point
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[11:46] <Steve_G0TDJ> I'll give you a call on USB James
[11:46] <jcoxon> hold on
[11:46] <jcoxon> i switched back to FM
[11:46] <Steve_G0TDJ> OK
[11:47] <jcoxon> yup
[11:47] <Steve_G0TDJ> still on 145.450
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[11:48] <jcoxon> oops
[11:48] <Steve_G0TDJ> Wassup?
[11:48] <jcoxon> disconnected
[11:48] <Steve_G0TDJ> Anything heard?
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[12:12] <LeoBodnar> good afternoon, morning people
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[12:13] <nats`> hi leo :)
[12:15] <eroomde> http://www.bbc.co.uk/sport/0/formula1/25158104
[12:15] <eroomde> new F1 engine fuelc onsumtption restrictions - 100kg / hour
[12:15] <eroomde> engine i'm currently designing 10kg/s fuel mass flow
[12:17] <LeoBodnar> Get Bernie to manage your company
[12:18] <eroomde> yes
[12:18] <eroomde> i suspect there'd be no money left
[12:18] <eroomde> for me, anyway
[12:20] <mfa298> limit of 100kg/hour seems somewhat redundant if they're limited to 100kg fuel through a race (given that races are generally 1.5 - 2 hours long)
[12:22] <eroomde> not really
[12:22] <eroomde> that's just a maximum flow rate
[12:22] <eroomde> of which maximum power is a very strong function
[12:22] <eroomde> it basically limits how hard you can accelerate
[12:23] <eroomde> it's somewhat orthogonal as a concept to the amount of fuel
[12:23] <eroomde> somewhat = totally, in this case
[12:23] <Laurenceb> http://1.bp.blogspot.com/--XHDBmDNflE/UpyNgax9W1I/AAAAAAAAFbA/F0bdeMSaEkc/s1600/amazon-now.jpg
[12:25] <mfa298> I assume what they're meaning is that it's limited to something that would be 100kg/hr but measured over a much shorter period of time - so you couldn't do 200kg/hour for 30 minutes and then stay in the garage for the other 30 minutes (e.g. qualifying)
[12:25] <eroomde> well yes
[12:25] <eroomde> it's a flow rate
[12:25] <eroomde> the instantaneous derivative of flow
[12:26] <LeoBodnar> haha
[12:26] <LeoBodnar> Any "instantaneous" is average
[12:28] <mfa298> But for the lay person reading that bbc article it's not really explained like that, the implication is that the averaging is done over an hour (so that 200kg/hour for 30 minutes would average at 100kg/hour and be ok)
[12:28] <mfa298> I imagine the F1 rules are a lot more detailed than the BBC summary.
[12:41] <SpeedEvil> Perhaps interesting for picos: http://www.hobbyking.co.uk/hobbyking/store/uh_viewItem.asp?idproduct=37550.html
[12:41] <SpeedEvil> 80mAh 30mm *7mm diameter li-po
[12:41] <SpeedEvil> 15C rated
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[12:42] <Laurenceb> iirc LeoBodnar is using 30C?
[12:42] <SpeedEvil> I've not seen quite this form factor before - round is nice for insulation
[12:42] <Laurenceb> yeah
[12:43] <Laurenceb> but its a bit too small
[12:43] <SpeedEvil> And I want to sort-of-clone a tritium keychain marker.
[12:43] <SpeedEvil> There are bigger ones
[12:43] <SpeedEvil> http://www.hobbyking.co.uk/hobbyking/store/__37564__Turnigy_nano_tech_1000mah_1S_15C_Round_Lipo_UK_Warehouse_.html
[12:43] <SpeedEvil> And many sizes in between
[12:44] <Laurenceb> this looks maybe more useful
[12:44] <Laurenceb> http://www.hobbyking.co.uk/hobbyking/store/__11857__Turnigy_nano_tech_130mah_1S_25_40C_Lipo_Pack_Kyosho_Eflite_Parkzone_Etc_.html
[12:45] <Laurenceb> id try IR heating
[12:45] <Laurenceb> seems a good way to keep the battery warm
[12:46] <LeoBodnar> IR Fresnel lense
[12:46] <SpeedEvil> Hmm.
[12:46] <LeoBodnar> -e
[12:46] <Laurenceb> 2nd law
[12:46] <SpeedEvil> I guess.
[12:46] <LeoBodnar> controlled lens
[12:46] <SpeedEvil> Poing it out the bottom
[12:46] <SpeedEvil> point
[12:46] <Laurenceb> i was thinking just bubble wrap across the bottom
[12:47] <SpeedEvil> I guess that may work
[12:47] <SpeedEvil> It's a pity aerogel block are a bit spendy
[12:47] <SpeedEvil> Decent sized ones that is
[12:47] <Laurenceb> the aerogel blanket is as good and cheap
[12:48] <SpeedEvil> I thought it was about a third as good as good aerogel monolithic
[12:48] <gonzo___> when I point out bottoms, I get slapped
[12:49] <Laurenceb> http://www.hobbyking.co.uk/hobbyking/store/__23317__Turnigy_nano_tech_650mAh_1S_15c_Round_Lipo.html
[12:49] <Laurenceb> that looks easier to insulate
[12:50] <Laurenceb> that with aerogel blanket might only lose ~300mAh staying warm overnight
[12:51] <Laurenceb> but yeah, someone needs to try passive IR heating
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[13:12] <Laurenceb> yeah, with a 2cm blanket that cell will use 250mAh staying at +35C for 12 hours
[13:14] <Laurenceb> maybe 300mAh
[13:14] <Laurenceb> depends how well its wrapped
[13:16] <Laurenceb> but theres ~50mAh of energy in the thermal mass of the cell
[13:19] <SpeedEvil> maybe a little more if you heat it to 60C
[13:19] <SpeedEvil> (this will of course considerably shorten the life)
[13:19] <SpeedEvil> 40C shouldn't be too bad though
[13:25] <Laurenceb> i was kind of thinking running at -30C
[13:25] <Laurenceb> at -60C ambient
[13:25] <SpeedEvil> yeah - I mean if the cell is topped up, you with the last of the sun heat the battery to 40C
[13:25] <Laurenceb> yeah
[13:26] <Laurenceb> i wonder what you could do with a roll of blanket with bubble wrap in the bottom
[13:26] <Laurenceb> to catch some IR too
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[13:27] Action: SpeedEvil is surprised at how good his 18 quid 5l thermos is.
[13:27] <SpeedEvil> 6W or so heat leak at 80C delta
[13:28] <SpeedEvil> I have purchased a 12kW element to make into a water heater :)
[13:28] <Laurenceb> fun
[13:29] <Laurenceb> yeah bubble wrap only adds ~40mAh
[13:30] <Laurenceb> the passive ir idea needs a large area of absorber
[13:30] <SpeedEvil> You're counting the much worse thermal properties of bubblewrap?
[13:30] <Laurenceb> yes
[13:30] <Laurenceb> but its not that bad
[13:30] <SpeedEvil> I guess the fact it's not a point source really hurts.
[13:30] <Laurenceb> if used on the bottom face
[13:30] <SpeedEvil> As that means you need a large area of the battery exposed.
[13:30] <Laurenceb> as the air inside stratifies
[13:30] <fsphil> weird seeing spacenear.us blank
[13:30] <Laurenceb> yeah
[13:31] <Laurenceb> so if you have no upwelling IR its gets colder
[13:31] <SpeedEvil> Is stratification meaningful at that scale?
[13:31] <Laurenceb> but it seems you are safe outside of the arctic and siberia
[13:31] <Laurenceb> yes
[13:31] <Laurenceb> the main issue is it it hits cloud
[13:32] <SpeedEvil> The tops of the cloud are cold?
[13:32] <Laurenceb> one idea is a heat pipe to a separate absorber
[13:32] <Laurenceb> yes
[13:32] <Laurenceb> so the absorber can get very cold but the battery isnt cooled
[13:33] <qyx_> wouldn't be heating using peltier a bit more efficient than pure resistive heater?
[13:35] <SpeedEvil> Peltiers are crap
[13:35] <SpeedEvil> At delta-T of over 20C anyway
[13:35] <Laurenceb> yeah
[13:35] <SpeedEvil> Below that, they're not really that bad.
[13:35] <SpeedEvil> At 10C, you can get COP=4
[13:36] <Laurenceb> i think experiments are called for
[13:36] <SpeedEvil> :)
[13:36] <Laurenceb> see how good passive ir is
[13:36] <Laurenceb> and if a cell can keep itself warm
[13:37] <qyx_> SpeedEvil: that's why i used "a bit more"
[13:38] <SpeedEvil> At altitude especially - it's probably not worth it - the heat sink size you need is quite prohibitive
[13:39] <SpeedEvil> I suspect the weight of the peltier will 'never' pay for ieself over a larger battery and resistor
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[13:46] <Laurenceb> http://courses.ae.utexas.edu/ase261/balloon/MIRBalloon.pdf
[13:46] <Laurenceb> id be interested in how this scales
[13:47] <Laurenceb> http://drop-kicker.com/
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[13:48] <WillDWork> can someone explain the setPwmFrequency part of the demo code on http://ava.upuaut.net/?p=627 - i've not seen this before
[13:52] <eroomde> it sets up the PWM peripheral
[13:52] <eroomde> its frequency and duty cycle
[13:52] <eroomde> when you see lots of capital letters, those are registers
[13:52] <eroomde> eg TCCR1B
[13:53] <eroomde> this is basically what normal microcontroller programming looks like, it's just that arduinos try and hide it from you
[13:53] <eroomde> so you have to set the values of those registers to get the peripheral to behave in certain ways
[13:54] <eroomde> each bit of the register is like a switch, the datasheet for the micro will describe all the registers and what they do
[13:54] <eroomde> and so to understand all that blurb you'll want the micro's datasheet
[13:55] <LeoBodnar> the bottom hole on MIR balloon is 4 m in diameter oO
[13:57] <WillDWork> cheers ed
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[13:58] <jcoxon> hooray - got qtmm to decode aprs and then display it on xastir on OS X
[13:59] <LeoBodnar> cool James!
[14:01] <jcoxon> LeoBodnar, interested?
[14:01] <jcoxon> (its annoyed me for ages that there wasn't a way to do it on osx
[14:02] <LeoBodnar> yeah, debugging APRS was a nightmare, considering it is 1200/2200 at 1200 bps
[14:02] <jcoxon> did you use QTMM?
[14:02] <LeoBodnar> scope, pen and paper! :D
[14:03] <jcoxon> voila - https://github.com/jamescoxon/basestation/blob/master/aprs.rb
[14:03] <jcoxon> basically you run qtmm (nice decodeing software, get it to output to a file
[14:03] <jcoxon> then this ruby script acts as a tcp server with that data
[14:03] <jcoxon> and xastir can connect to it and get the data and display it on its oldschool line map
[14:04] <LeoBodnar> no I have used AFSK1200 decoder and Multimode Cocoa
[14:04] <jcoxon> AFSK1200 is qtmm
[14:04] <LeoBodnar> But the problem is until you get a proper frame they don't decode anything
[14:05] <LeoBodnar> yeah it's a standalone qtmm
[14:05] <jcoxon> in the soure of qtmm you can increase its debug and it starts putting out more useful stuff
[14:05] <LeoBodnar> cool, excellent, thank you
[14:05] <jcoxon> but probably not enough for true debugging
[14:05] <jcoxon> the script only works with telemetry that has been digpeated
[14:05] <LeoBodnar> I had to go to the dark side and run MULTIPSK which is unspeakable piece of software
[14:06] <jcoxon> so many buttons
[14:06] <Darkside> LeoBodnar: MixW will also do it too
[14:06] <Darkside> but again, i dont recommend it
[14:07] <LeoBodnar> Cheers, I am happy to work on bit levels but a few layers higher and it all sounds too messy (APRS infrastructure, paths, reports formats)
[14:09] <jcoxon> LeoBodnar, i'll see if i can make the script a bit more versatile
[14:10] <LeoBodnar> cool
[14:10] <LeoBodnar> Do you have any ongoing projects involving APRS?
[14:10] <LeoBodnar> Have you booked Advanced yet ? :D
[14:12] <jcoxon> LeoBodnar, i got a FT290 today so thought i'd rig it up to decode aprs
[14:12] <jcoxon> other then that no projects
[14:12] <jcoxon> and no i haven't booked my exams
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[14:13] <eroomde> don't have have scary medicine exams soon?
[14:13] <LeoBodnar> M0JCX was still available in September
[14:13] <eroomde> don't you have*
[14:13] <jcoxon> yes, next week
[14:13] <jcoxon> i should be revising
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[15:07] <fsphil> http://www.slate.com/blogs/bad_astronomy/2013/12/03/exoplanets_three_directy_imaged_planets_added_to_list.html
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[15:07] <fsphil> nice
[15:13] <Laurenceb> http://www.bbc.co.uk/news/technology-25197786
[15:13] <Laurenceb> omg
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[15:16] <craag> I should try that on my car, a good EM pulse might be what the ECU needs! (In the garage for the second time in a week)
[15:19] <nats`> Laurenceb can be fun on a motorroad....
[15:19] <nats`> just blow the onboard computer
[15:19] <nats`> random brake injection etc...
[15:29] <UpuWork> Haha check this : http://i.imgur.com/C6gRnMJ.jpg
[15:29] <UpuWork> he's very optimistic
[15:32] <gonzo___> safe against pacemakers?! recon they should fit the claimee with one and try it
[15:32] <gonzo___> what happens to the poor bugger who is parked near and finds his ecu fried
[15:33] <mfa298> or the pedestrian walking down the pavement with a fried iPod
[15:33] <gonzo___> far safer to just lose off a shotgun into the radiator and followin him a half a mile
[15:35] <mfa298> I could see it as a possible system of last resort on a military base - especially in a war zone but sounds a bit risky to use on a public street
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[15:35] <gonzo___> yep agree.
[15:36] <gonzo___> dead ipod is prob summut you'd accept in a war zone!
[15:36] <mattbrejza> its basically just a microwave with the door open and safety thing removed?
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[15:38] <fsphil> UpuWork: that's great. hope it doesn't land in the wrong part of belfast
[15:41] <gonzo___> one of my friends built his 'wlan robustnes test range' which was a uwave over with the door removes
[15:41] <gonzo___> but he calculated the field strength and measured the gain of tha cooring cavity on that unit and reconed that 6ft was the safe distance from the open door
[15:41] <SIbot> In real units: 6 ft = 1.83 m
[15:42] <gonzo___> used to point it at the local housing estate and see how quier 2.4GHz was after a while
[15:48] <Geoff-G8DHE> Any updates on when the N2NXZ (?) flight was going ahead ?
[15:50] <fsphil> all quiet on the spacenear front
[15:50] <LeoBodnar> will this work to borke ECUs? http://www.ebay.co.uk/itm/Bendix-ANT-1F-Weather-Radar-Antenna-Drive-And-Dish-/190823227546?pt=Motors_Aviation_Parts_Gear&hash=item2c6df3609a
[15:50] <Steve_G0TDJ> ping UpuWork
[15:51] <Geoff-G8DHE> Ah just seen the post 0100 UTC Tuesday - do we mean Wednesday ??
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[15:52] <LeoBodnar> What if perpetrator uses good 'ol carburettor car?
[15:52] <mfa298> the article did say it probably wont work against a 1960's land rover
[15:53] <G0HDI> I was thinking Wednesday 01:00 logical Geoff
[15:55] <Geoff-G8DHE> Yup its 20:00est Tuesday and 01:00 UTC Wednesday, will have to wait till 09:00 Wednesday in that case ;-)
[15:55] <Geoff-G8DHE> for me to watch!
[15:56] <G0HDI> 10 metre beacon is a bonus. How long roughly to get across the pond you reckon?
[15:57] Action: DL1SGP1 loved the info about the 10m Beacon!
[15:57] <G0HDI> Improve the chances of receiving something
[15:57] <UpuWork> Sorry Steve when I wrote that it was meant to be Tuesday but yes its Wednesday
[15:58] <Geoff-G8DHE> I guess its intended to float at about 30Km ish
[15:58] <Geoff-G8DHE> Upu is the intention with the vent to have it open at all times ?
[15:58] <UpuWork> yes
[15:59] <Steve_G0TDJ> UpuWork: Just to let you know, your demo code looks good on the site now and it works. Tested in VAYU-NTX.
[15:59] <Geoff-G8DHE> So overfill and then let it vent as it rises up I take it.
[16:01] <fsphil> underfilled it shouldn't start venting until it reaches a certain altitude
[16:02] <Laurenceb> http://www.sensortechnics.com/en/products/pressure-sensors-and-transmitters/amplified-pressure-sensors/lde/index.html
[16:02] Action: Laurenceb droolllz
[16:02] <fsphil> hopefully at or just after sunset
[16:02] <fsphil> then on sunrise the next day it'll vent more as the gas heats up
[16:02] <fsphil> rather than rising and bursting
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[16:03] <fsphil> it's a zero pressure balloon
[16:03] <Geoff-G8DHE> So the helium is at the top of the balloon, until reaches the planned height, thencome dawn/heat it starts to vent ?
[16:04] <db_g6gzh> jcoxon: xastir can download and cache OSM tiles if you want better than "oldschool line map"
[16:04] <fsphil> as it rises the helium will fill the balloon, until it starts leaking out the bottom
[16:04] <jcoxon> db_g6gzh, oh i like the line map
[16:04] <jcoxon> :-D
[16:05] <fsphil> hopefully it won't leak so much that it'll start falling again
[16:05] <jcoxon> fsphil, tis the risk
[16:05] <fsphil> yea
[16:05] <db_g6gzh> ha OK, I like my old school carburettor Land Rover re the other earlier discussion 8-)
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[16:05] <fsphil> guess this is where an electronically controlled valve would be better
[16:06] <jcoxon> yeah, though ideally you'd open it before sunrise
[16:06] <jcoxon> as i would worry that once you started rising you might not be able to vent quick enough
[16:06] <Geoff-G8DHE> I wonder if those little 1-2 gram servo's have enough force to bend a vent pipe and seal/unseal it ?
[16:07] <jcoxon> Geoff-G8DHE, funnily i'm having a play with that concept
[16:07] <fsphil> hah, not a bad idea
[16:07] <fsphil> the pipe might be a bit delicate at that temperature
[16:07] <jcoxon> just getting a slightly larger servo as my silicone tubing is quite tough
[16:07] <jcoxon> silicone should be okay
[16:07] <Geoff-G8DHE> Indeed
[16:08] <db_g6gzh> presumably you can't really achive zero pressure with a latex envelope ? or are they not that stretched ?
[16:08] <fsphil> if the balloon is big enough it should be fine
[16:08] <ve6ts> fsphil wouldn't a foil or plastic balloon be much lighter for a ZP?
[16:09] <jcoxon> ve6ts, latex balloons are much more available
[16:09] <fsphil> difficult to get that size of foil balloon
[16:09] <fsphil> even more difficult to manufacture it
[16:09] <fsphil> but yea it would be better
[16:09] <fsphil> last longer too
[16:13] <ve6ts> i donno if i will be launching a balloon this weekend, we have plunged in temp and a ton of snow has fallen
[16:19] <Reb-SM3ULC> DL1SGP1: 10m beacon?
[16:20] <x-f> "a 50mW 10 meter CW beacon on 28.219 Mhz which is transmitting N2NXZ/BLN/6 and repeats every 10 seconds @ 10 wpm"
[16:23] <ve6ts> x-f do you know what is the transmitter for that? mine is around 10mW and i wouldn't mind making a more powerful version
[16:23] <x-f> i don't, just copy-pasted it from email on the UKHAS list
[16:30] <UpuWork> ping jcoxon
[16:30] <jcoxon> yup
[16:30] <UpuWork> has anyone tried a floater with a small vent tube in it ?
[16:30] <UpuWork> home brew ve6ts but speak to N2NRX when he's on here which I suspect he will be later
[16:31] <jcoxon> i have
[16:31] <UpuWork> any sucess ?
[16:31] <jcoxon> the early ballasthalo flights were all vented floaters
[16:31] <UpuWork> ok cool
[16:31] <jcoxon> they floated
[16:31] <jcoxon> difficult to say how much the vent contributed
[16:32] <jcoxon> check out BH2, BH3 and BH5
[16:32] <UpuWork> got a link ?
[16:32] <UpuWork> You have tried to access a web page which is in violation of your internet usage policy.
[16:32] <UpuWork> URL: www.pegasushabproject.org.uk/wiki/doku.php
[16:32] <UpuWork> Category: Sports
[16:33] <UpuWork> wtf
[16:33] <jcoxon> http://www.pegasushabproject.org.uk/wiki/doku.php#atlantic_halo
[16:33] <jcoxon> haha
[16:34] <UpuWork> thanks
[16:34] <ve6ts> UpuWork thanks
[16:37] <jcoxon> UpuWork, WB8ELK did some work on pinhole floaters too
[16:39] <Steve_G0TDJ> UpuWork: Quick question, only y/n answer required :-)
[16:43] <UpuWork> shoot
[16:43] <Steve_G0TDJ> Is there a more accurate way of calibrating the NTX2b for Domino rather then mucking about with decade resistors? Maybe a voltage?
[16:45] <eroomde> pot+mulimeter
[16:45] <UpuWork> what Ed said
[16:45] <Steve_G0TDJ> UKRHAB-1 on SpaceNear
[16:45] <eroomde> a decent psu that goes up by 1mV if you ask it too, rather than lying that it is
[16:45] <UpuWork> play the tones into some audio analysis software
[16:45] <UpuWork> and check the tone spacing is correct
[16:45] <eroomde> a voltage calibrator like the one I got yesterday that is the absolute dog's bollocks
[16:46] <UpuWork> document it so I know how to do it :)
[16:46] <eroomde> (also does current and resistence. oh my)
[16:46] <Steve_G0TDJ> LOL
[16:46] <eroomde> used it just now to reclaibrate a thermocouple datalogger
[16:46] <Steve_G0TDJ> I might as well do it how I did it just now... Trial and error with FLDigi
[16:46] <UpuWork> nah
[16:46] <UpuWork> analyse it :)
[16:47] <UpuWork> going to do it when I get time
[16:47] <eroomde> and it also pointed out to me that i don't have RF filtering on the thermocoupler logger (it's ooooold) so I bodged that on
[16:47] <jcoxon> Steve_G0TDJ, so repeat a string on loop and then slowly increase the spacings
[16:47] <Steve_G0TDJ> :-)
[16:47] <jcoxon> once it decodes it'll appear in fldigi
[16:47] <Steve_G0TDJ> That's effectively what I did James
[16:48] <eroomde> got a frequency counter?
[16:48] <Steve_G0TDJ> Sorry, UpuWork One more question, what is it that causes the variation? eroomde Not a good one, no
[16:48] <UpuWork> voltage
[16:48] <Steve_G0TDJ> OK SO we're looking for a particular voltage
[16:50] <eroomde> if you can get a good clean power supply (linear reg + input and output smoothing caps from a decentish psu should do),
[16:50] <UpuWork> but there will be differences in all components tolerance etc
[16:50] <eroomde> then connect up a pot to the ntx2
[16:50] <eroomde> a decent low-noise pot
[16:50] <eroomde> i.e. £5 rather than 50p
[16:50] <UpuWork> so I would recommend checking the tones properly
[16:50] <eroomde> and get a multimeter and measure the input voltage vs output freq
[16:51] <eroomde> that'll give you a calibration curve, from which you'll be gravy
[16:51] <eroomde> as the french don't say
[16:51] <Steve_G0TDJ> LOL
[16:51] <eroomde> jcoxon's idea of doing it with audio is a good one
[16:52] <eroomde> get a decent ham radio, switch it on and leave it on for 30 mins to warm up, then use sound card software to measure the audio freq
[16:52] <Steve_G0TDJ> OK I have some ideas, cheers guys
[16:52] <eroomde> a good tip with all test and measurement equipment is to turn it on in advance and leave it on for the whole day (if you're in and out) so it can all get to a steady temp, so all the measurements and setting sare consistent
[16:53] <Steve_G0TDJ> Yep, we used to do that in my first job (Trainee service engineer)
[16:53] <eroomde> that's why lots of things like signal generators and power supplies have an output on/off, separate from a global on/off
[16:54] <eroomde> yes indeed. especially if it is a frequency thing with a n OCXO
[16:54] <eroomde> needs 30mins-1hr to stabilise
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[16:55] <eroomde> time for some more testing
[16:55] <Steve_G0TDJ> Yep
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[17:01] <mfa298> Reading back a bit, for my Pi+DomEX I just did some sums for the PWM and it seemed to work well enough.
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[17:02] <mfa298> worked out the voltage spacing needed per tone (based on the 2000Hz/V figure) and what duty cycle was needed per tone.
[17:03] <mfa298> although I might have had a bit more flexibilty in the hardware than the avr has.
[17:03] <Steve_G0TDJ> I was wondering if it could be done in firmware but I haven't got the experience to program it.
[17:03] <fsphil> rubbish timing
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[18:03] <Reb-SM3ULC> x-f: dad gave me an active mini-whip, in parts.. hope to get a bit better reception on hf. hows the fcd+ coming along? still very satisfied?
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[18:28] <Upu> Steve_G0TDJ was it you or Geoff-G8DHE who wanted the narrow HAB filter ?
[18:28] <Upu> Sonde filter
[18:33] <x-f> it was Geoff
[18:34] <x-f> Reb-SM3ULC, i haven't done much with it yet, been busy with some more urgent things, but i will be on vacations next three weeks and will have plenty of time for all the postponed things
[18:35] <x-f> Steve_G0TDJ, UKRHAB-1 is scheduled for launch on 15th December
[18:35] <Upu> thanks x-f
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[18:36] <x-f> np
[18:36] <Upu> Geoff-G8DHE I have some of the original Darkside narrow boards left with the power on the back
[18:36] <Upu> let me know if of interest
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[18:48] <nats`> Upu I didn't see if you answered: is it possible to remove the filter from your habamp to have a wideband lna ?
[18:48] <Upu> yes with ease
[18:48] <Upu> just bridge gap with some wire
[18:48] <nats`> oky I'll take some :)
[18:48] <Upu> lol
[18:48] <Geoff-G8DHE-M> Upu, OK I'll get the dimensions off the original designs, and see if they will fit the tubes.
[18:48] <nats`> I'm lazy I don't want to do a board :)
[18:49] <Upu> I'll dig them out when I get to work tomorrow
[18:49] <Upu> how many do you need nats` ?
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[18:49] <nats`> 3 I think :)
[18:49] <nats`> I order it on hab supplies ?
[18:49] <Upu> err no
[18:49] <Upu> going to have to work it out
[18:50] <Upu> in cases ? or "naked" ?
[18:50] <nats`> 1 in case 2 naked :)
[18:50] <Upu> pm
[18:50] <nats`> oky :)
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[19:01] <jcoxon> Upu is it N2NXZ or N2NRX?
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[19:04] Nick change: Geoff-G8DHE_ -> Geoff-G8DHE-M
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[19:10] <Upu> thx jcoxon fixed
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[19:15] <jcoxon> trans-a floaters always launch at anti-social hours
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[19:16] <ibanezmatt13> what happened to the transatlantic float?
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[19:17] <jcoxon> still to fly
[19:17] <ibanezmatt13> ah
[19:17] <jcoxon> aim is to launch it later tonight i think
[19:17] <ibanezmatt13> ah ok. Better wind predictions I guess
[19:19] <ibanezmatt13> The wind's coming in from the west isn't it?
[19:22] <Upu> its up to Jim
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[19:22] <Upu> we are in the launch window now
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[19:26] <ibanezmatt13> acool
[19:26] <ibanezmatt13> cool* even
[19:27] <ibanezmatt13> ah I see. I had it in my mind that you were launching from here East across atlantic, which would have been tricky to say the least :)
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[20:06] <malgar> has the transatlantic balloon been launched?
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[20:08] <mfa298> I think the suggestion on the mailinst list is it might be 0100 utc tomorrow (5 hours time)
[20:08] <mfa298> not sure if there's been any more news since that
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[20:10] <Upu> not yet malgar
[20:10] <Upu> could be any time between now and 0200 UTC
[20:11] <Upu> should appear on the map though
[20:12] <malgar> does the launcher chat here?
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[20:13] <Upu> yes
[20:13] <Upu> but he'll be busy setting up I suspect
[20:14] <mclane> upu: you may delete the pysy stuff - I forgot to switch off the online upload during a test
[20:14] <Upu> nps thx
[20:15] <mclane> to have a clean map for the transatlantic flight
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[20:24] Nick change: Laurenceb__ -> HansGruber
[20:24] <nats`> whooooooooooooo I did an arc of about 15CM......
[20:24] <jedas> :)
[20:24] <nats`> not so :) :p
[20:24] <nats`> more pee in my pant
[20:24] <jedas> what you've been doing ?
[20:29] <jedas> hopefully he still has fingers to reply
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[20:31] <nats`> I think something felt in my 300W PSU
[20:32] <nats`> last days I had many trouble while working on mainline I should stop until murphy find someone else to bother
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[20:45] <bonzodog> anynews?
[20:46] <HansGruber> http://en.wikipedia.org/wiki/File:HSX_picture.jpg
[20:47] Nick change: HansGruber -> Laurenceb_
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[20:47] <maya> what sort of box do use for the payload? polystyrene, styrofoam...?
[20:47] Nick change: maya -> Guest38142
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[20:49] <Guest38142> what sort of box do use for the payload? polystyrene, styrofoam.
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[20:53] <LeoBodnar> Is this Tokamak?
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[20:59] <x-f> N2NXZ-1 is updating
[21:00] <jcoxon> on satellite view there is some green space across the road
[21:00] <jcoxon> perhaps thats the launch point
[21:01] <Geoff-G8DHE> Youch that's following the storm route !
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[21:01] <jcoxon> it'll float quite high though :-p
[21:01] <Geoff-G8DHE> Hope it does!
[21:01] <jcoxon> oooo n2nxz-2 is online as well
[21:02] <Reb-SM3ULC> cool
[21:02] <Geoff-G8DHE> The Jetstream is currently about 100MpH on that route all the way across
[21:03] <jcoxon> the float will be about 30km
[21:03] <jcoxon> so much higher then the JS
[21:03] <mikestir> what's the likelihood of getting something from the HF beacon?
[21:03] <jcoxon> and potentially faster
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[21:05] <Reb-SM3ULC> mikestir: what fq?
[21:05] <malgar> jcoxon: are there winds faster than JS?
[21:05] <jcoxon> can be
[21:05] <mikestir> 10m - exact freq was on the mailing list
[21:05] <x-f> hah, nice prediction on snus
[21:05] <rcaron_> arko: I'm curious if you still see those frequency jumps on the ground that we were hypothesizing was voltage instability (sagging from the gps or something)
[21:05] <Reb-SM3ULC> mikestir: ah right... sri.. have to turn of daily-digest....
[21:05] <jcoxon> http://nstar.org/GFS/10mb/10mb.012.png
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[21:10] <malgar> spain and the southern italy?
[21:11] <malgar> How much time could it takes?
[21:11] <Upu> have to see how fast it goes
[21:11] <Upu> 10mb is only 30km and it should be higher than that so no real data
[21:11] <malgar> quite hard to see in the middle of atlantic
[21:11] <malgar> or there will be receiving stations there?
[21:12] <malgar> :D
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[21:13] <Upu> no it will go awol for a day or so
[21:13] <Upu> may never reappear but you never know
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[21:16] <malgar> maybe we could ask to some sailing HAM
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[21:17] <malgar> we could have a really big range in the middle of the ocean at 30k meters
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[21:17] <mikestir> need to get in touch with airline pilot hams
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[21:18] <malgar> :D
[21:18] <Upu> looks like he's in the field
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[21:27] <Lunar_Lander> evening anthony
[21:27] <Lunar_Lander> the GPS which flew in march now was able to get 3 satellite lock while inside the lab :)
[21:30] <Reb-SM3ULC> The new jersey websdr full.. :/
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[21:32] <g0azs> OK I finally have to ask... what do he circles mean on the tracker? Actual receive station ranges? Expected coverage? etc??
[21:32] <g0azs> "the" circles...
[21:33] <Upu> yes
[21:33] <Upu> blue is the expected reception range, green is if you can't receive in this its broken
[21:33] <Upu> think blue is 5' something
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[21:33] <jcoxon> haha, blue is 0deg and green is 5deg horizon
[21:34] <g0azs> Ah OK thanks... most enlightening
[21:34] <db_g6gzh> it (used to) tell you, if you hovered the pointer over the line
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[21:36] <arko> rcaron_: ?
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[21:40] <Lowerstoford> hi all
[21:40] <Lowerstoford> looking forward to this flight
[21:40] peterg_weather (56b0c4c9@gateway/web/freenode/ip.86.176.196.201) joined #highaltitude.
[21:41] <arko> exciting stuff
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[21:44] <jcoxon> ooooo
[21:44] <x-f> launch!
[21:44] <Upu> tis up
[21:44] <Upu> he only has one radio
[21:44] <arko> wooo!!!!
[21:44] <Upu> so don't worry about the -2 payload
[21:45] <arko> rtty?
[21:45] <Upu> hopefully it will get picked up down wind
[21:45] <Upu> yes
[21:45] <daveake> What did he use in the end for the patent-pending float control device? :)
[21:45] <arko> nice!!
[21:45] <arko> good luck man
[21:45] <oh1hih> x/win 24
[21:45] <Upu> a small tube of indeterminate origin
[21:46] <LeoBodnar> a hole in the ball
[21:46] <daveake> hah
[21:46] <Upu> going to fly right back over him
[21:46] <daveake> Presumably h2 and a lighter too?
[21:46] <Upu> haha
[21:46] <daveake> for extra lift
[21:46] <Upu> yeah vented with H2
[21:46] <daveake> briefly
[21:46] <Upu> I see no issue with that
[21:46] <daveake> nor me :p
[21:47] <LeoBodnar> 1.6m/s wow
[21:47] <fsphil> ah here we go
[21:47] <daveake> 1.6 is about right
[21:47] F5SN (5464c612@gateway/web/freenode/ip.84.100.198.18) joined #highaltitude.
[21:48] <fsphil> nice area
[21:49] <x-f> "Laser street"
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[21:49] <tweetBot> @daveake: N2NXZ/M0UPU Transatlantic HAB flight launched now from Rochester NY USA. Watch the action live on http://t.co/Qf9OVmXpXf #UKHAS
[21:49] <fsphil> There's an Excel Street too
[21:49] <fsphil> just needs to Blue Screen of Death Drive
[21:50] <fsphil> oh, Norton Street
[21:50] <fsphil> same thing
[21:50] <daveake> Surely that should be 2 streets at right-angles?
[21:50] <daveake> lol
[21:50] obcuz (50c31661@gateway/web/freenode/ip.80.195.22.97) joined #highaltitude.
[21:50] <LeoBodnar> NC 3.0 street
[21:50] <mikestir> the imaginatively named "Avenue D"
[21:51] <Lowerstoford> This is what my 300" screen is for! Spacenear on one side and SpaceX Webcast on the other.
[21:51] <LeoBodnar> Reboot roundabout
[21:51] <LeoBodnar> That should have been Avenue 0xD
[21:51] grassbox (56ba05f6@gateway/web/freenode/ip.86.186.5.246) left irc: Quit: Page closed
[21:51] <fsphil> Pomeroy Street .. wonder if that's named after the NI town
[21:52] N2NXZ (ad577c75@gateway/web/freenode/ip.173.87.124.117) joined #highaltitude.
[21:52] <Upu> hey :)
[21:52] <Upu> you're up :)
[21:52] <LeoBodnar> So we have two UHF trackers, US APRS and EU APRS?
[21:52] <N2NXZ> finally lift off
[21:52] <db_g6gzh> Klein St. - I wonder if you can get out ?
[21:52] <Upu> no US APRS
[21:52] <N2NXZ> 434.445 tracker off for some reason!!
[21:52] <Upu> off ?
[21:52] <Upu> i.e not working ?
[21:53] <N2NXZ> It was working when we left to site and left on while we prepped balloon
[21:53] <Upu> hmm nothing being received from it locally ?
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[21:53] <N2NXZ> was collecting data as we walked out the door...does it come on later?
[21:53] <Upu> no should be constant TX
[21:53] <arko> which one is -1?
[21:53] <arko> 445? or 550?
[21:53] <Upu> -1 is a PAVA R7
[21:53] <Upu> -2 is the PAVA/ATLAS APRS
[21:54] <N2NXZ> I just sat down and logged in,hearing the single tracker 434.551 now clearly
[21:54] <Upu> 434.550Mhz = -1
[21:54] <N2NXZ> drifted already
[21:54] <Upu> yeah it will
[21:54] <Upu> have a hunt round for the otherone
[21:54] <Upu> plenty of time
[21:54] <daveake> Lovely http://predict.habhub.org/hourly/vc/
[21:54] <N2NXZ> have not seen map yet or altidude,was over filled a touch
[21:54] <Upu> 1.6m/s
[21:54] <N2NXZ> strangly heading South
[21:55] <N2NXZ> cool
[21:55] <Upu> its going east now
[21:55] <N2NXZ> shot for 1 m/s
[21:55] <Upu> just about to pass over the 590
[21:55] <N2NXZ> great...let me catch my breath,that tank was heavy...
[21:55] <Upu> nps :)
[21:55] <Upu> when you're back have a listen out for that other payload
[21:56] <Reb-SM3ULC> Lowerstoford: a while still for the spacex right?
[21:56] <Lunar_Lander> Upu, did you already find a replacement for Sarantel?
[21:56] <DL1SGP1> thanks for launching :)
[21:56] <Upu> yes Lunar_Lander
[21:56] <Upu> Sarantel
[21:56] <fsphil> daveake: time for that return-to-base glider
[21:56] <Lunar_Lander> hm
[21:56] <Upu> I bought all the stock I could find
[21:56] <Lunar_Lander> ah
[21:56] <arko> DanielRichman: blah
[21:56] Nick change: DL1SGP1 -> DL1SGP
[21:56] <arko> err
[21:56] <arko> daveake: blah
[21:56] <daveake> yes, project 2014 :)
[21:56] <Upu> We are on a few global tuners listening in N2NXZ
[21:56] <Upu> nothing heard at this time
[21:57] <daveake> That Yoorkshire flight has been waiting for nearly 7 months now
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[21:57] <arko> awe man that sucks
[21:57] <DL1SGP> yeah it does not swing by my US-based address else I would have a listen from there :)
[21:57] <daveake> It does; it's one I get paid for :p
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[21:59] <fsphil> it's predictions like that are the reason I only launch twice a year :)
[21:59] <wd8mnv> spacex live feed is up
[22:00] <daveake> I keep trying to persuade them to either launch elsewhere or do a floater. The SSDV is the main aim so it makes sense.
[22:00] Geoff-G8DHE (545c3f66@gateway/web/freenode/ip.84.92.63.102) joined #highaltitude.
[22:00] <daveake> I'll try again, reminding them that a floater will keep their customers happy for hours :)
[22:01] <fsphil> hah
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[22:01] <Reb-SM3ULC> Upu: any globaltuner to recommend?
[22:02] <Upu> can't hear on any atm
[22:02] <Upu> I'm on NTC
[22:02] <Upu> NYC
[22:02] <arko> buffalo here
[22:02] <arko> nothing
[22:02] <Upu> Try Toronto
[22:03] <DL1SGP> is the 10m CW stage active as planned?
[22:03] <Upu> I believe so
[22:03] <DL1SGP> 28.219 right?
[22:03] <Upu> I believe so
[22:03] <Upu> best get N2NXZ to confirm
[22:03] <Laurenceb_> ooh launch
[22:03] <arko> i dont think its online Upu
[22:03] <Laurenceb_> and falcon 9 soon as well
[22:04] <Laurenceb_> early christmas
[22:04] <DL1SGP> CW heard faintly with dial on 28.215 USB through Lexington, KY receiver
[22:04] g0azs (cbb50024@gateway/web/freenode/ip.203.181.0.36) joined #highaltitude.
[22:04] <N2NXZ> Why I can not see the N2NXZ-1 or 2 box on the side of the tracking page with data on it?
[22:05] <Upu> IE ?
[22:05] <N2NXZ> neitehr
[22:05] <N2NXZ> hd it before on both browsers
[22:05] Sparky_ (0cb24602@gateway/web/freenode/ip.12.178.70.2) joined #highaltitude.
[22:05] <jcoxon> N2NXZ, refresh
[22:05] <Upu> it is there
[22:05] <N2NXZ> tried to load it 5 times...nothing...signal fading heavy
[22:05] <Geoff-G8DHE> several times if necessary
[22:05] <Lowerstoford> Reb-SM3ULC: 22:41 lift off - webcast 22:15 UTC
[22:06] <Reb-SM3ULC> Lowerstoford: saw that now... thanks
[22:06] <Upu> N2NXZ so nothing heard from the second tracker ?
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[22:07] <Lowerstoford> pic.twitter.com/5w55Y4uMX7
[22:07] <N2NXZ> I got it on mobile tracker
[22:08] <Upu> ok cool
[22:08] <N2NXZ> nothing heard from it
[22:08] <Upu> damn thats odd
[22:08] <N2NXZ> let me check quickly again
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[22:08] [1]Geoff-G8DHE (~Geoff-G8D@geoffg8dhe.plus.com) joined #highaltitude.
[22:08] <N2NXZ> Nope...dead frequency :(
[22:08] Geoff-G8DHE (545c3f66@gateway/web/freenode/ip.84.92.63.102) left irc:
[22:08] Nick change: [1]Geoff-G8DHE -> Geoff-G8DHE
[22:09] <N2NXZ> brb...going to notify trackers in Maine
[22:09] <Upu> that sucks ok keep on the other one
[22:09] <Upu> nps
[22:09] <Upu> I'll go walk dog
[22:10] <DL1SGP> have a good walk Upu
[22:11] <arko> N2NXZ: do yo have an exact frequency?
[22:14] <N2NXZ> 434.551.37 @ 2000 hz
[22:15] <Laurenceb_> i see nothing on APRS ?
[22:15] <arko> thanks
[22:15] <N2NXZ> Beacon S-8 Signal...nice and strong @ 28.220.30
[22:15] <Lowerstoford> Voipodo?
[22:15] Sparky_ (0cb24602@gateway/web/freenode/ip.12.178.70.2) left irc: Quit: Page closed
[22:16] <wd8mnv> http://www.spacex.com/webcast/
[22:16] <Lowerstoford> Will the Falcon9 fly this time??????
[22:17] number10 (56850f83@gateway/web/freenode/ip.86.133.15.131) left irc: Quit: Page closed
[22:17] <eroomde> yes
[22:17] <eroomde> no
[22:17] <eroomde> yes
[22:17] <N2NXZ> Hope N2NXZ-2 wakes up :)
[22:17] <eroomde> that's my opinion anyway
[22:18] <Laurenceb_> heh i was in Rochester a couple of months back
[22:18] <Laurenceb_> could have launched :P
[22:18] <Lowerstoford> I think it will be fine this time
[22:18] <eroomde> new york or The North?
[22:18] <Laurenceb_> New York
[22:19] <Laurenceb_> too late now, back in rainy land
[22:19] <Laurenceb_> should we be seeing APRS?
[22:19] <arko> ha
[22:19] <arko> there is a london canada?
[22:19] <arko> who knew
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[22:20] <eroomde> there is a uk equivalent of most places in north america
[22:20] <arko> but thats like New York, UK
[22:20] <arko> or Los Angeles, UK
[22:20] <arko> its too big of a city
[22:20] <arko> but yeah, guess
[22:21] <eroomde> except for all the islamic rooted names like california or other spainishy/moorish things
[22:21] <arko> boston area and what not
[22:21] <arko> yeah
[22:21] <arko> Los or San something
[22:21] <eroomde> there is a york, tho not a new york in the uk :)
[22:21] <arko> haha
[22:21] <Laurenceb_> like ed MOOR
[22:22] <eroomde> that's irish sadly
[22:22] <arko> laddy
[22:22] melon_ (5bc1a009@gateway/web/freenode/ip.91.193.160.9) left irc: Quit: Page closed
[22:22] <Laurenceb_> s/l/p
[22:22] <Laurenceb_> ICANSAYTHATCUZIISALSOIRISH
[22:23] <eroomde> is you?
[22:23] <Laurenceb_> 1/4
[22:24] <eroomde> larry o'blaxter
[22:24] <Laurenceb_> lol
[22:24] <Laurenceb_> blaxter is anglicised Danish
[22:24] <N2NXZ> Signal good frequency holding steady
[22:25] <N2NXZ> 434.551.37 @ 2100 hz
[22:25] <eroomde> irish danish
[22:25] M0NSA (~HeliosFA@requiem.soton.gia-lan.co.uk) left irc: Read error: Connection reset by peer
[22:25] <Laurenceb_> http://livestream-f.akamaihd.net/142499_129958_0fe0ce8c_1_2000@5981
[22:25] <eroomde> a pastry soaked in alcohol
[22:25] <Laurenceb_> dunno if this will be non glitchy
[22:25] <LeoBodnar> San Derland, UK
[22:25] <Lowerstoford> here we go
[22:25] <Lowerstoford> Spacex.com/webcast
[22:26] <eroomde> t- how long?
[22:26] <arko> 15
[22:26] <x-f> 16 minutes
[22:26] <Laurenceb_> spacex: they can launch a rocket, but not a webcast
[22:26] <daveake> 15:15
[22:26] <Lowerstoford> t-15
[22:26] <SpeedEvil> I love that picture
[22:26] <SpeedEvil> I just wish their CDN wern't a bag of shite.
[22:26] <N2NXZ> Anyone else copy N2NXZ-1?
[22:26] <arko> nope
[22:27] <arko> on a buffalo tuner
[22:27] <N2NXZ> HEADING YOPUR WAY
[22:27] <arko> nada
[22:27] <N2NXZ> O
[22:27] <Lowerstoford> switching HAB to 24" and Spacex F9 to full 300" :-)
[22:27] <N2NXZ> wrong op
[22:27] <eroomde> am watching homeland
[22:27] <Laurenceb_> wtf
[22:27] <N2NXZ> Heading east bound
[22:27] <Lowerstoford> Turn up the 7.1 sound sound to 11
[22:27] <Laurenceb_> clip pays for 14 seconds
[22:27] DL1SGP1 (~DL1SGP@p5B0400CF.dip0.t-ipconnect.de) joined #highaltitude.
[22:27] <Laurenceb_> how can they mess it up so badly
[22:27] DL1SGP (~DL1SGP@dhcp172.signon4.uk.beevpn.com) left irc: Disconnected by services
[22:27] <arko> yeah
[22:28] <SpeedEvil> Laurenceb_: Oddly
[22:28] <arko> buffalo isnt going to happen
[22:28] <N2NXZ> Over Marion NY
[22:28] Nick change: DL1SGP1 -> DL1SGP
[22:28] <mikestir> seems to work quite well here Laurenceb_
[22:28] <SpeedEvil> Laurenceb_: You r above link breaks in all things I can find apart from the stock android player
[22:28] <Laurenceb_> mikestir: what are you using to play
[22:28] <Laurenceb_> ah
[22:28] <Laurenceb_> interesting
[22:28] <SpeedEvil> (where it merely pauses for fraction of a second)
[22:28] <mikestir> chrome/linux
[22:29] <SpeedEvil> I've tried chrome/firefox/linux / mplayer/vlc
[22:29] <Laurenceb_> hmm ill try that
[22:29] <Reb-SM3ULC> N2NXZ: not a lot of trackers ahead
[22:29] <mikestir> also seemed ok on my phone the other night - I think that launched the stock android video player
[22:30] <N2NXZ> my email is not loading...hopefully you guys use the chat...signal wekaening a lot now
[22:30] <Reb-SM3ULC> N2NXZ: apart frmo the three in maine i managed to not see....
[22:31] <Upu> We are listening on Global Tuners
[22:31] <Upu> there is one in NYC
[22:31] <Upu> but nothing heard yet
[22:31] <Upu> slightly out of range
[22:31] <Lowerstoford> Terminal Count..... Count
[22:31] <Lowerstoford> t- 10
[22:31] <arko> the buffalo location is bad
[22:32] <SpeedEvil> For me at least - http://livestream-f.akamaihd.net/i/142499_129958_0fe0ce8c_1@5981/index_2000_av-p.m3u8?sd=10&dw=100&rebase=on
[22:32] <arko> the balloon is gaining altitude but moving away
[22:32] <SpeedEvil> seems to work well - but only in the stock android player
[22:32] <SpeedEvil> (4.4 here)
[22:32] <N2NXZ> Buffalo opposite direction of flight path
[22:32] <N2NXZ> try global tuners site?
[22:32] <arko> just right that it's keeping a constant radio distance
[22:32] <arko> yes
[22:32] <arko> moving over to the nyc one
[22:32] <N2NXZ> yup...good call
[22:32] <N2NXZ> if the sleepers are not hogging it :)
[22:33] <DL1SGP> N2NXZ: I checked on HF Beacon via Lexington, KY based receiver, nothing there yet. for the stations signed in from Maine it still will take a bit to come into "audible" range
[22:33] <N2NXZ> heading toward their direction,,,that is good news so far
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[22:33] <DL1SGP> indeed
[22:33] <DL1SGP> and heading towards NYC before it turns towards Maine :)
[22:34] <N2NXZ> Looks like my station is the only one getting data so far...too bad more were not available...I tried my best to put out the word
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[22:34] <Upu> Only way you're going to get more listeners is do more launches
[22:35] <Upu> however keep on it
[22:35] <N2NXZ> yes yes yes...lol
[22:35] <Upu> hopefully the GT and Maine receivers will get it shortly
[22:35] <N2NXZ> i hate to lose it now...lol
[22:35] <jcoxon> how about an email to GPSL?
[22:35] <jcoxon> people will be keen now that there is a signal in the air
[22:35] <N2NXZ> i know...fingers crossed ,they can comlete the US flight at least
[22:35] <N2NXZ> Nice altitude so far
[22:36] <Upu> They were cc'd on the mail this morning
[22:36] <N2NXZ> good
[22:36] <DL1SGP> what is planned float altitude in metric-ish units?
[22:36] <N2NXZ> my mail is acting up...will not load
[22:36] <arko> is it rising too fast?
[22:36] <Upu> its vented arko
[22:36] <N2NXZ> seems slow to me...but we have a secret plastic tube ...LOL
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[22:37] Nick change: Geoff-G8DHE_ -> Geoff-G8DHE-M
[22:37] <Reb-SM3ULC> On a straight line form London to Belfast... one has to admire the imagination of the immigrants...
[22:37] <arko> ah
[22:37] <N2NXZ> fades quite a bit...then strong for awhile
[22:38] <Upu> ground planes may not be even
[22:38] <Upu> spinning
[22:38] <N2NXZ> goingto concentrate on signal a bit...you are right...probably twisting about
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[22:39] <arko> looks like the spacex launch is 2 mins away
[22:39] <N2NXZ> I was worried about the magnet wire holding up...so doubled it last minute
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[22:39] <jcoxon> ummmmm
[22:39] <jcoxon> the track has jumped
[22:40] <Upu> thats odd
[22:40] <Lowerstoford> T-1:30
[22:40] <jcoxon> Upu?
[22:40] <arko> padding error?
[22:40] <Upu> err
[22:40] <N2NXZ> what happens now?
[22:40] <Upu> better not be or the amount of humble pie that would need to be eaten would be huge
[22:40] <daveake> American portion :)
[22:40] <jcoxon> time for a hot fix me thinks
[22:41] <Lowerstoford> GO F9 GO SES8
[22:41] <eroomde> happens to all of us
[22:41] <Lowerstoford> Lift Off!
[22:41] <jcoxon> yeah thats a padding error
[22:42] <N2NXZ> going to free this pc up for strickly data
[22:42] <N2NXZ> brb
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[22:42] <Upu> how the hell did that get in there
[22:43] <eroomde> arko is preparing the pastry now
[22:44] N2NXZ (ad577c75@gateway/web/freenode/ip.173.87.124.117) joined #highaltitude.
[22:44] <Lowerstoford> MECO1
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[22:45] <daveake> Upu presumably that's just on transmission; the geofencing won't be affected?
[22:45] <Upu> Trying to work out what the actual error is
[22:45] <daveake> Upload the code let us all have a laugh ^h ^h ^h ^h ^h ^h ^h ^h find it for you
[22:46] <arko> im preparing pastry?
[22:46] <daveake> for the pie
[22:46] <jcoxon> humble pie
[22:46] <daveake> Fresh out of humbles though
[22:46] <arko> ohhh
[22:46] <arko> lol
[22:46] <arko> haha
[22:46] <arko> looks like a padding error again too
[22:46] <arko> on the latitude this time
[22:46] <arko> :P
[22:46] <arko> eees ok
[22:47] <Upu> brb killing myself
[22:47] <Upu> I'm confused
[22:47] <arko> hahahahaha
[22:47] <arko> if anyone asks, just say you are drifting the corners on the way to the uk
[22:47] <Laurenceb_> was that a RCS on the first stage?
[22:48] <Laurenceb_> something was pulsing out of the sides
[22:48] <arko> they forgot to hit the "R" key
[22:48] <arko> left RCS on
[22:48] <N2NXZ> Is the altitude still correct?
[22:48] <arko> probably
[22:48] <jcoxon> yeah looks like it
[22:49] <Geoff-G8DHE> Should be
[22:49] <jcoxon> a double padding error?
[22:49] <Upu> no
[22:49] <Upu> ok this is whats happened
[22:49] <Upu> the code originally reported the location to 5 digits
[22:50] <Lowerstoford> So will N2NXZ-2 come online at all? Is this why we need uplink? could we uplink new code?
[22:50] <Upu> however I bug fixed (I can hear JGC screaming at me now)
[22:50] <Upu> to stop it uploading the data when it didn't have a lock
[22:50] <Upu> but I copied that code from Habduino which reports it to 6 places
[22:50] <daveake> You're now officially "Bugger Of The Week"
[22:51] <Upu> sprintf(txstring, "$$$$$N2NXZ-1,%i,%02d:%02d:%02d,%s%i.%05ld,%s%i.%05ld,%ld,%d,%i",count, hour, minute, second,lat < 0 ? "-" : "",lat_int,lat_dec,lon < 0 ? "-" : "",lon_int,lon_dec, maxalt,sats,errorstatus);
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[22:51] <arko> doh!
[22:51] <Upu> so basically location is 6 places, string is padding to 5
[22:52] <LeoBodnar> It just happens both ground locations were bug-free
[22:52] <arko> so its suppose to be %06ld?
[22:52] <N2NXZ> heavy fade now,still at 434.551.37 @ 2000 hz
[22:52] <Upu> yes
[22:52] <arko> ah
[22:53] <Upu> its because I've taken chunks of code from else where
[22:53] <arko> ahh
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[22:54] <ibanezmatt13> what an awesome rocket launch that was
[22:54] <Lowerstoford> F9 - SECO. But, will it relight, for a second burn???........
[22:54] <LeoBodnar> can you hot-patch it on the server?
[22:54] <Upu> yeah someone clever can
[22:55] <Upu> my normal Pico code only reports to 5 digits
[22:55] <Upu> I should standardise :)
[22:55] <daveake> :)
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[22:55] <arko> :P
[22:55] <Upu> Sorry N2NXZ I'll mail GPSL and let them know the error is mine not yours
[22:55] <LeoBodnar> I do 4 above 1000m and 5 below
[22:56] <arko> not hearing anything in new york
[22:56] <LeoBodnar> I think 5 is more than plenty
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[22:56] <fsphil> what does humble pie taste like? :)
[22:57] <SpeedEvil> Victory!
[22:57] <eroomde> needs a bit of game
[22:57] <daveake> Tastes bitter
[22:57] <arko> tastes like chicken!
[22:57] <daveake> More turkey
[22:57] <fsphil> at least it's a new variation of the bug
[22:57] <LeoBodnar> with scream on top
[22:57] <Lowerstoford> bit chewy
[22:58] <Upu> haha
[22:58] Nick change: Upu -> ArkosBitch
[22:58] <daveake> we're not done yet Upu :)
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[22:59] <Lowerstoford> what need doing to sort this? someone mentioned server config??
[23:00] <Lowerstoford> Can I offer my services? I may not be any help, but......
[23:00] <arko> Upu: i think i hear it in NY
[23:00] <N2NXZ> sIGNAL GOING POOR
[23:00] <arko> its very faint
[23:00] <jcoxon> we are on the case
[23:00] <ArkosBitch> listening on headphones arko
[23:01] <arko> HAHAHAHAHA
[23:01] <arko> didnt notice the nick change
[23:01] <arko> amazing
[23:01] <LeoBodnar> * faints as well
[23:03] <N2NXZ> frequecy drifting downward 1400 hz @ 434.551.37
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[23:06] <Lowerstoford> F9 SES8 Second stage "SHOULD" "HOPEFULLY" restart in 3 mins
[23:06] <Lowerstoford> @elon Musk tweeted, "if all goes well" confident???
[23:06] <N2NXZ> Tuned radio to 434.550.50 for 1900 hz...about to lose it completely here
[23:07] <ArkosBitch> don't see anything on the waterfall arko sure you're not hearing things ?
[23:07] Nick change: ArkosBitch -> Upu
[23:07] <arko> i think i was hearing things
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[23:08] <Upu> do you have access to tune and stuff on GT ?
[23:08] <eroomde> waiting for the restart
[23:08] <arko> did the payload die?
[23:08] <arko> Upu: ye
[23:08] <arko> yes
[23:08] <Upu> I think N2NXZ is having trouble decoding
[23:09] <arko> damn
[23:09] <arko> i cant hear a thting
[23:09] <N2NXZ> YUP
[23:09] <Upu> right on the green circle as well
[23:09] <N2NXZ> STILL THERE,BUT NEVER GRABS ENOUGH INFO
[23:09] <Upu> paste some partials N2NXZ
[23:09] <arko> N2NXZ: whats the radio?
[23:09] <arko> on ground
[23:10] <N2NXZ> I better focus :)
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[23:11] Geoff-G8DHE (~Geoff-G8D@geoffg8dhe.plus.com) joined #highaltitude.
[23:11] <eroomde> what happens if one of our engines breaks off the stands
[23:11] <eroomde> http://i.imgur.com/NmA98cZ.gif.jpg
[23:11] <Upu> lol
[23:12] <SpeedEvil> :)
[23:12] <N2NXZ> ft-897
[23:12] <Upu> if you paste some partial strings N2NXZ we can reconsitute them
[23:12] <Lowerstoford> Second Stage restart and burn success
[23:12] <arko> eroomde: lol
[23:13] <arko> has that really happened?
[23:13] <N2NXZ> saving to note pad
[23:13] <Lowerstoford> eroomde: what type of engine?
[23:13] <eroomde> go detrit!! http://i.imgur.com/C97oFhC.jpg
[23:13] <eroomde> Lowerstoford: rocket
[23:13] <arko> mine while in iceland
[23:14] <Lowerstoford> engine?
[23:14] <eroomde> yep
[23:14] <eroomde> liquid biprop
[23:14] <Lowerstoford> oooo
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[23:17] <eroomde> it shouldn't break off the stand, needless to say
[23:17] <eroomde> that would rank as a pretty high engineering fail
[23:18] <Upu> uploaded a few corrected manual ones
[23:18] <Lowerstoford> eroomde: UK?
[23:18] <eroomde> yep
[23:19] <arko> heh i was gonna say, damn, did someone forget a bolt
[23:19] <arko> those tests stands look damn tough too
[23:19] <Upu> right I have to be up at 6am so calling it a night
[23:19] <eroomde> new one being made atm
[23:19] <Upu> good luck N2NXZ
[23:20] <LeoBodnar> good night Upu !
[23:20] <eroomde> much bigger
[23:20] <arko> night Upu
[23:20] <arko> eroomde: :D
[23:20] <Lowerstoford> night Upu
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[23:20] <dove3_henry> mm 40Mbit/s
[23:20] <arko> its funny, it wasnt until i went to the uk till i saw an actually rocket engine operating
[23:20] <arko> i saw an ion engine at jpl operating but that doesnt count
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[23:21] <arko> thurst is like the weight of a paper
[23:21] <eroomde> dove3_henry: fibre to your home or rf from your cubesat?
[23:21] <arko> super boring
[23:21] <fsphil> still a rocket engine... just less dramatic :)
[23:21] <dove3_henry> eroomde: the latter
[23:21] <eroomde> not bad!
[23:21] <eroomde> how much power do you have?
[23:21] <dove3_henry> 1W
[23:21] <arko> fsphil: looked more like a HID headlight and stove flame
[23:21] <Lowerstoford> I have been test firing a Hyrdoxy hybrid, this summer
[23:21] <eroomde> that's really pretty decent
[23:22] Action: arko gets the popcorn
[23:22] <eroomde> what's receiving it on the ground?
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[23:22] <dove3_henry> big dish, that helps
[23:22] <fsphil> that's a lot of bits per watt
[23:22] <eroomde> ah yes, yes it does
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[23:22] <eroomde> Lowerstoford: fun - what is the fuel?
[23:22] <eroomde> and how big is it?
[23:22] <jcoxon> seems like its very much a green circle flight
[23:23] <jcoxon> rather than a blue
[23:23] <Lowerstoford> Hydroxy - HHO or electrolysed Water
[23:23] <arko> N2NXZ: looks like Maine is the last hope here
[23:23] <eroomde> how is that hybrid?
[23:24] <arko> let me know if you need me to operate a radio there remotely, im in los angeles so i can still be awake when it gets there
[23:24] <N2NXZ> Maine is out very only hope
[23:24] <kb1tce> Well, we have 3 guys in Maine monitoring.
[23:24] <jcoxon> N2NXZ, nah we'll get it on a GT soon
[23:24] <N2NXZ> Just emailed them and asked to come here instead...they did not get my note about the failure of 434.445
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[23:24] <arko> damn
[23:25] <N2NXZ> Just sent them my last good copy |@ 434.549 @ 1600 hz
[23:26] <N2NXZ> very very weak and not collecting good data
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[23:26] <N2NXZ> lLast altutude correct?
[23:26] <jcoxon> should be
[23:27] <N2NXZ> 32624.67 ft
[23:27] <SIbot> In real units: 67 ft = 20 m
[23:27] <Lowerstoford> "loosely hybrid", as it uses the principals of water rocket, but at much larger scale and high pressures.
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[23:27] <arko> N2NXZ: do you have a yagi?
[23:27] <arko> whats the radio?
[23:27] <arko> on ground that is
[23:27] <N2NXZ> i wish i had a beam now...ft897
[23:27] <arko> ok
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[23:27] <N2NXZ> discone
[23:28] <Lowerstoford> The current rocket is 6.8m tall/1.2m dia. First flight summer 2014
[23:29] <eroomde> my understanding of hybrid is that one propellant is in solid phase, the other is in liquid/gas phase
[23:29] <eroomde> that'as big!
[23:29] <N2NXZ> just emaile UPU partial data
[23:30] <arko> 1.2m diameter!?
[23:30] <Lowerstoford> 1.2m Yep
[23:30] <jcoxon> N2NXZ, if you post them here someone can use them
[23:30] <arko> holy cow
[23:30] <arko> where is the test going to be?
[23:31] <Lowerstoford> UK
[23:31] <Upu> N2NXZ is there another APRS transmitter on it ?
[23:31] <eroomde> where in the UK?
[23:32] <eroomde> and what's the expected alt?
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[23:32] <Upu> ah looks like someone is importing back in HB-N2NXZ1
[23:32] <arko> Uggy: http://aprs.fi/#!mt=roadmap&z=10&call=a%2FHB-N2NXZ1&timerange=3600&tail=3600
[23:32] <arko> err
[23:32] <arko> Upu:
[23:32] <arko> hah
[23:32] <arko> nvm
[23:33] <Upu> thats the 70cms data
[23:33] <Upu> really afk now
[23:33] <Lowerstoford> alt: cannot be confirm at this stage......... as we have never flow with the hyrdroxy
[23:33] <N2NXZ> my son also mentioned that...forgpt to check
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[23:34] <N2NXZ> he said he saw the track on US aprs
[23:34] <Lowerstoford> a smaller version is almost ready for test flight and this will give us more information on the performance
[23:35] <jcoxon> there is a hint of rtty on the buffalo GT
[23:36] <Lowerstoford> EDIT: alt: cannot be confirm at this stage......... as we have never flow with the hyrdroxy pressurised
[23:36] <eroomde> Lowerstoford: you must have some idea
[23:36] <eroomde> no range in the entire planet will let you fly something that big if you don't have a good idea what altitude it's goin to reach
[23:36] <arko> jcoxon: really?
[23:37] <N2NXZ> maybe the 144.8 started?
[23:40] <N2NXZ> Anyone figure out the aprs stuff?
[23:40] <jcoxon> its super faint
[23:40] <Lowerstoford> too many unknowns for me to comment. We are going to fly it as a "Water Rocket", but ignite the pressurised hydroxy after lift-off, if we get 3000m on test flight, then we can ramp up the pressure......
[23:40] <Steve_G0TDJ> arko - Someone tuning NY
[23:40] <arko> yeah
[23:40] <jcoxon> N2NXZ, aprs.fi takes out data these days
[23:40] <jcoxon> our*
[23:40] <arko> idgi
[23:40] <jcoxon> and puts it back
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[23:41] <N2NXZ> O
[23:41] <eroomde> you'll still need permission to go that high
[23:41] <eroomde> a notam or something]
[23:41] <eroomde> and a large site
[23:41] <eroomde> what you need to do actually is do tests of the engine tied to the ground
[23:41] <Lowerstoford> large site no problem 180acres
[23:41] <eroomde> characterise the actual performace
[23:41] <eroomde> then you can simulate the flight path of a rocket
[23:41] <Lowerstoford> yes, ground test over the winter
[23:42] <eroomde> no, 180 acres is not big enough
[23:42] <Steve_G0TDJ> Good Evening Guys BTW
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[23:42] <jcoxon> N2NXZ, how about the 10m beacon?
[23:42] <eroomde> you'll want km x km
[23:42] <eroomde> 3000m is 10,000ft. it's airliner site, it's serious. 180 acres is just a golf course
[23:42] <SIbot> In real units: 10,000 ft = 3048 m
[23:43] <kb1tce> N2NXZ - should you have lost the 70 cm signal so quickly? It was barely over Syracuse.
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[23:43] <eroomde> well it might be big enough if you have an idea of the rocket performance anyway
[23:43] <Lowerstoford> OK ground test here, but will need to find a larger launch site....
[23:44] <eroomde> let the ground test dictate things
[23:44] <eroomde> do you have an incling of the ISP of this system?
[23:45] <Lowerstoford> We have very limited info, just ideas
[23:45] <eroomde> yes i get that idea
[23:45] <Lowerstoford> thrust on 22mm nozzle is 55kg approx
[23:45] <N2NXZ> kb1tce de n2nxz
[23:45] <eroomde> well a 6m x 1.2m rocket is fantasy-talk at this stage
[23:45] <eroomde> you have a lot of basic work to do at this stage
[23:45] <eroomde> but, good luck
[23:46] <eroomde> 22mm throat?
[23:47] <Lowerstoford> 55kg x 9 without Hydroxy ignition at 200psi
[23:47] <Lowerstoford> 22mm was all we could test with over the summer, but this will be reduced to allow longer burn
[23:47] <eroomde> yes but is that the throat diameter?
[23:48] <eroomde> you said it was the nozzle diameter which is a bit vague
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[23:48] <Lowerstoford> new pressure chambers have been tested to 750PSI
[23:48] <eroomde> see above
[23:49] <N2NXZ> kb1tce still here?
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[23:49] <kb1tce> Yup, still here.
[23:49] <Lowerstoford> yes throat,
[23:50] <eroomde> cool
[23:50] <eroomde> well that's just water presumably
[23:50] <N2NXZ> good...
[23:50] <eroomde> so the ISP will be pants
[23:50] <eroomde> but your hydrogen + oxygen thing should do a lot better
[23:50] <N2NXZ> still copy the signal,but it is really weak and not enough to upload useful data
[23:50] <eroomde> this is one of ours engines, 23mm throat, thrust was about 5kN - 500kg
[23:50] <eroomde> http://www.flickr.com/photos/eroomde/8371635016/lightbox/
[23:50] <eroomde> propellants are CO + O
[23:51] <eroomde> which is a random choice, not very higher performance, but we were researching something in particular
[23:51] <N2NXZ> On the waterfall @ 2000 hz on 434.547.48
[23:52] <N2NXZ> I will keep posting the frequency until lost completely so you knowwhere to look
[23:52] <jcoxon> good idea N2NXZ
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[23:52] <N2NXZ> just look here and I will keep posting it...no prblem,better than emails,my email sucks
[23:52] <Lowerstoford> 3000m was incorrect!
[23:53] <Lowerstoford> 3000ft
[23:53] <SIbot> In real units: 3000 ft = 914 m
[23:53] <Lowerstoford> Slight difference!!
[23:54] <N2NXZ> shifting to 1700 hz again
[23:54] <eroomde> yep
[23:54] <Lowerstoford> but this will be at 200PSI we are aiming for 1000PSI on second flight
[23:54] <N2NXZ> sometimes thesignal starts getting loud,but not enough to track
[23:55] <jcoxon> its spinning
[23:55] <jcoxon> that might settle as it gets higher
[23:55] <eroomde> taking the heat flux is usually a harder problem than taking pressure
[23:55] <eroomde> if you're combusting h2 + o2
[23:55] <N2NXZ> i bet it is spinning...and cold
[23:56] <N2NXZ> i will be here to give frequency status...still trying to get one last track |:)
[23:57] <jcoxon> N2NXZ, i've got to get sleep, best of luck though
[23:57] <jcoxon> i've contact a few people - they'll have a listen
[23:57] <N2NXZ> 434.547.48 @1600 hz
[23:57] <jcoxon> night
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[23:58] <N2NXZ> good night
[23:58] <N2NXZ> almost can grab some info...just a bit more to track
[23:58] <Lowerstoford> we have set a lot of limitations with this project, but we are determined and we will fly this rocket. it will not go to orbit, but it will be fun to try.
[23:59] <eroomde> yes
[23:59] <eroomde> my best advice is to instrument it as best you can
[23:59] <eroomde> measure the pressure at the injectors, in the chamber, in the throat
[23:59] <N2NXZ> va3xcd here???
[23:59] <eroomde> measure water mass-flow
[00:00] --- Wed Dec 4 2013