highaltitude.log.20140818

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[00:14] <SpeedEvil> jake___: it depends where you are
[00:14] <SpeedEvil> jake___: In the UK, Ham radio 70cm recievers are typically used.
[00:14] <SpeedEvil> connected to a computer
[00:15] <jake___> ok so does the radio then connect to a computer to upload the data to google earth?
[00:16] <SpeedEvil> There is a specific web tracker used, generally
[00:16] <SpeedEvil> http://habitat.habhub.org/mobile-tracker/ - for example.
[00:16] <SpeedEvil> Where are you?
[00:21] <jake___> NY US
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[08:42] <Maxell> Quiet again... 13 and a half hour since last B-66/M0XER-6 packet.
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[08:46] <DL7AD_mobile> Morning
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[08:58] <MaXimaN> Morning all
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[09:03] <fsphil> mornings
[09:06] <craag_philcrump> morning
[09:09] <jonsowman> hi phil x2
[09:10] <daveake> hi jon ^ 0
[09:10] <daveake> clearly I need more caffeine
[09:10] <LeoBodnar> hi [A-z]+
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[09:11] <jonsowman> :D
[09:12] <hackvana> LeoBodnar: Your regexp doesn't match Lunar_LanderU...
[09:12] <craag_philcrump> LeoBodnar: discriminating against cm13g09 ?
[09:13] <hackvana> craag_philcrump: Doesn't match your nick either.
[09:13] <Lunar_LanderU> ?
[09:13] <hackvana> Lunar_LanderU: LeoBodnar said, "hi [A-z]+"
[09:13] <Lunar_LanderU> ok
[09:13] <Lunar_LanderU> *oh
[09:15] <craag_philcrump> He's rejecting all us '_' users
[09:16] <fsphil> harsh
[09:16] <daveake> underhand
[09:16] <jonsowman> fair
[09:17] <fsphil> he crossed the line
[09:17] <daveake> barred
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[09:23] <maxmed> Before I buy anything just wanted to double check, would this radio be suitable for tracking: kenwood TH F7E - http://www.kenwood-electronics.co.uk/products/comms/amateur_radio/vhf_uhf/TH-F7E/
[09:24] <hackvana> oh dash!
[09:27] <hackvana> Seems to me it would also exclude AndChat|637364, Dark-Fx, Geoff-G8DHE.*, ggherdov`_, ivan``, nats`, ryan_turner|MTW, Tiger^ and x-f.
[09:28] <ggherdov`_> sorry ?
[09:28] <ggherdov`_> ah, you're looking for an antispam regex on nicknames?
[09:29] Action: ggherdov`_ ah no, it's the goodmorning.
[09:29] <ggherdov`_> 'morning !
[09:29] Action: ggherdov`_ well, gug
[09:30] <LeoBodnar> oh dear
[09:31] <fsphil> hah
[09:31] <fsphil> see what you've started LeoBodnar :)
[09:32] #highaltitude: mode change '+o jonsowman' by ChanServ!ChanServ@services.
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[09:32] Topic changed on #highaltitude by jonsowman!jonsowman@kryten.hexoc.com: Welcome to #highaltitude - discuss anything to do with high altitude projects! Please read the wiki - http://wiki.ukhas.org.uk
[09:32] #highaltitude: mode change '-o jonsowman' by ChanServ!ChanServ@services.
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[09:42] <Scott85_> hi, about to order a GPS unit for my arduino, is this the best one to get? http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=68
[09:42] <UpuWork> certainly
[09:42] <UpuWork> * thats my shop
[09:42] <UpuWork> its one of the few that work with the 5V Arduino directly and work at altitude
[09:43] <UpuWork> if you order it within the next 45 mins it will ship today
[09:44] <Scott85_> haha, disclaimer
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[09:47] <hackvana> I've seen that PCB before... :-)
[09:48] <UpuWork> just a bit :)
[09:51] <Maxell> maxmed already timed out... M-Wide/FM-Narrow/AM + SSB/CW Receive to 470 MHz
[09:51] <Maxell> nice.
[09:55] <Maxell> http://www.rigpix.com/kenwood/thf7e_thf6a_manual.pdf
[09:56] <craag_philcrump> Maxell: I put the pressure on you in my websdr talk ;)
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[10:02] <mfa298> Maxell: they can be used although not as nice to use for hab tracking as something like the F817
[10:02] <mfa298> s/F817/FT817/
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[10:07] <Maxell> craag_philcrump: uh oh
[10:08] <Maxell> html5 websdr audio-extractor?
[10:08] <Maxell> hah
[10:08] <navrac_work> morning all.
[10:08] <Maxell> Morning
[10:08] <Maxell> mfa298: sure
[10:09] <mfa298> you'll also note that it's one of the listed radios on th wiki (I have one and I have tested it)
[10:09] <Dark-Fx> Don't exclude me :(
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[10:11] <DL7AD_mobile2> Hi everyone
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[10:22] <craag_philcrump> Maxell: Yep - a lot of people interested in that.
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[10:43] <Maxell> craag_philcrump: hmm yeah I was thinking about a rtl_fm style tool.
[10:43] <craag_philcrump> that'd be perfect
[10:43] <Maxell> However I have not yet looked at html5 websockes
[10:43] <Maxell> So yeah
[10:44] <navrac_work> I keep missing Steve_M6SNK - if he pops on again can someone ask him to pm me his address
[10:44] <Maxell> I will take a look right now.
[10:44] <mattbrejza> anyone looked at the js rtty decoder recently?
[10:45] <mattbrejza> should it be 'simple' to attach that to the websdr socket thingy?
[10:46] <Maxell> mattbrejza: and not run a complete dl-fldigi?
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[10:46] <mattbrejza> dlfligi cant run in a browser?
[10:46] <Maxell> :P
[10:46] <craag_philcrump> mattbrejza: Just pulled his latest code at https://www.philcrump.co.uk/webdemod/
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[10:47] <craag_philcrump> Maxell: websockets are easy in python - lost the script now but I had it streaming from the websdr in about 10 lines - didn't work out what audio codec it was though
[10:48] <mattbrejza> still needs 7n1/8n1
[10:49] <mattbrejza> and adjustable spacing
[10:52] <Maxell> craag_philcrump: oh, the funky bit
[10:52] <Maxell> bertrik might be able to help with that
[10:52] <Maxell> I'll poke him tonight
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[10:55] <Maxell> craag_philcrump: might have been https://ws4py.readthedocs.org/en/latest/
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[11:25] <alastair_> I tested Gopro in a taped box of tissues (didnt have styrofoam sheets), and it recorded 30 minutes shorter than in room temperature or freezer. After turning it on again, the battery was 50%+, so I think it was automatic shutdown from overheating...
[11:26] <SpeedEvil> Likely
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[11:26] <SpeedEvil> Run it in open air.
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[11:26] <alastair_> open air?
[11:27] <SpeedEvil> Does it get to 'blood heat' - 40C. If in the freezer at -20C, it's going to again get about 20C hotter - 0C - and it should record fine
[11:27] <SpeedEvil> Remember also there is no wind on a balloon payload.
[11:27] <daveake> I've put 3 of them in a box and flown it. They all lasted 3 hours.
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[11:29] <alastair_> SpeedEvil I dont know what you mean. daveake, what verswion of Gopro and what kind of box? Also, any accessories used?
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[11:29] <SpeedEvil> alastair_: In short - if you have any sort of camera actually running on takeoff - it is very, very unlikely to shutdown due to cold.
[11:29] <daveake> A 2 and a pair of 3's and no I dont know what type of 3
[11:29] <daveake> Box was XPS
[11:29] <SpeedEvil> Simply due to internally generated heat
[11:30] <daveake> Also had a Pi in it
[11:30] <daveake> What SpeedEvil said ^^
[11:30] <SpeedEvil> The lower density air also helps by greatly reducing convection
[11:30] <alastair_> SpeedEvil, Im not talking about freezing being a problem, but overheating
[11:31] <SpeedEvil> ah
[11:31] <alastair_> daveake, would be great if you could find out what version of 3, it matters a lot, if you still have the cameras
[11:31] <daveake> I have one of them only
[11:31] <alastair_> the hero2?
[11:32] <daveake> One of the 3's
[11:32] <daveake> and the 2
[11:32] <daveake> which is a 2
[11:32] <alastair_> can you check what version of 3 yours is, if you'll have the time?
[11:33] <alastair_> I think the Hero3+ has upgraded battery
[11:33] <daveake> I suspect the only way you can actually reproduce a flight accurately is to do the flight. Next best thing is to ask people who already have. And the answer you'll get is that unless you wrap the camera up very very well indeed then there is no problem
[11:33] <daveake> As for the 3, it's the basic one (no wifi)
[11:34] <alastair_> but is it White, Silver or Black?
[11:34] <daveake> Not sure why they call them "black", white" and "silver" when they're all the same colour
[11:34] <daveake> Wichever of those is the cheapest
[11:34] <alastair_> are they? I didnt know. Mine'
[11:34] <alastair_> s 'white'
[11:34] <alastair_> then yours is White.
[11:35] <daveake> silver front black body
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[11:35] <alastair_> OK, so that's good, it didnt overheat in a real flight
[11:35] <daveake> But that doesn't help
[11:35] <daveake> I've never had any overheat
[11:35] <daveake> Or get too cold
[11:35] <alastair_> cool
[11:36] <alastair_> I dont think its important to ask what size your box was, right?
[11:36] <SpeedEvil> alastair_: There have been - over the several years I've been in this channel - no people complaining about cameras running from the ground, overheating
[11:36] <SpeedEvil> err
[11:36] <SpeedEvil> freezing and stopping working
[11:36] <edmoore> yes cameras get too hot if anything
[11:37] <edmoore> they dissipate a lot of power
[11:37] <edmoore> it's a cooling problem
[11:37] <SpeedEvil> If you try to start it at altitude - there are often issues, and if you try to put a window in the payload for the cameras to look through - then there can be issues
[11:37] <SpeedEvil> But - you're going to have to be doing something odd.
[11:37] <alastair_> by window you mean glass cover?
[11:37] <SpeedEvil> yes
[11:37] <SpeedEvil> Condensation on the glass cover is a problem
[11:37] <alastair_> I guess Im good then
[11:38] <daveake> and no hand warmers
[11:38] <mfa298> As I think others have said a few times the best method to see if it works is likely fly the thing and if it fails determine why it failed after a flight and fly it again.
[11:38] <alastair_> its weird, so many people on youtube say they put hand warmers and they're still good
[11:39] <daveake> Not needed
[11:39] <daveake> Waste of money
[11:39] <daveake> Waste of weight budget
[11:39] <alastair_> yeah, but its weird how even they didnt have overheating problems
[11:39] <edmoore> also note that you just admitted reading and putting faith in youtube comments
[11:39] <edmoore> not that you should feel bad or anything, but...
[11:39] <daveake> And some rely on oxygen so won't emit heat anyway
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[11:40] <edmoore> i suppose i might have just type-infered 'say' to mean a comment but it could be a video of course, in which case carry on
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[11:41] <SpeedEvil> There is a wide margin of 'works'
[11:41] <SpeedEvil> Most cameras will likely work - if running - from an ambient of -30C to 50C or more.
[11:42] <gonzo_> works often means, 'got away with'
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[11:42] <SpeedEvil> yeah
[11:44] <Tramvai> Hey guys! Can someone help me with a simple Arduino code issue: Serial.println(gps_lon/100000.0, 5); displays the correct information. What does the '5' mean at the end? Wiki says it's supposed to be format. Is it the length after comma?
[11:45] <edmoore> try changing that number and see what happens
[11:46] <edmoore> when you think you know, see if you were right by seeing what that number does here: http://arduino.cc/en/Serial/Println
[11:46] <Tramvai> Number of decimal places huh.
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[11:47] <Tramvai> Oh, nevermind. I get it now.
[11:47] <mfa298> handy hint: *always* read the documentation otherwise you may be eaten by a grue
[11:47] <Tramvai> Base system it is.
[11:48] <edmoore> that's not what it says
[11:49] <edmoore> you stopped reading half way through a sentence
[11:49] <Tramvai> Um.
[11:49] <edmoore> finish the end of the sentence
[11:49] <Tramvai> It is the number base.
[11:49] <edmoore> i'll copy and paste the sentence for you
[11:49] <edmoore> format: specifies the number base (for integral data types) or number of decimal places (for floating point types)
[11:49] <Tramvai> Well, I'm pretty sure it's not the decimal places.
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[11:50] Action: SpeedEvil sighs.
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[11:50] <SpeedEvil> Tramvai: what does 'number base' mean?
[11:51] <Tramvai> A numeral system where other numbers represent a um... 'correct' one?
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[11:52] <mattbrejza> http://awesomegifs.com/wp-content/uploads/snail-abandons-thread.gif
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[12:14] <alastair_> daveake, you here?
[12:14] <daveake> yup
[12:15] <Maxell> I'm also here.
[12:15] <Maxell> Just in case.
[12:15] <daveake> The accuracy of the above information may expire
[12:15] <alastair_> dude, I forgot to ask, you didn't happen to been using bacpac external batteries with your gopros right?
[12:15] <daveake> yes
[12:15] <alastair_> so you were?
[12:16] <daveake> Once used a separate battery (well, soemone I launched for did) and that worked fine too
[12:16] <alastair_> that changes things a bit. Will you by any chance remember what resolution and fps you used for recording?
[12:17] <daveake> 1080 25 probably
[12:17] <alastair_> oh
[12:17] <daveake> You can measure the run time on the ground
[12:17] <daveake> Won't change much in flight
[12:18] <daveake> It's about 3 hours on the Hero 2 on 3:15 on whatever Hero 3 it was
[12:18] <alastair_> that makes sense, for 1080 you cant record 3 hours with the default battery
[12:18] <alastair_> but you can for 720p
[12:18] <alastair_> ok, thanks
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[12:52] <Scott85_> Any suggestions on an antenna for hab? I recall somebody mentioning an X50 antenna before but I see that's not directional. Would I not need a yagi?
[12:53] <daveake> Generally you don't want directional
[12:53] <daveake> Otherwise you have to point it
[12:54] <daveake> A co-linear is a very good option. Get it as high as you can, and use decent cable
[12:57] <Geoff-G8DHE-M> The Yagi is normally suggested for actual chasing of the payload on the ground where you need to Direction Find it.
[12:58] <mfa298> For home use if you have a Yagi you also need some way to point it (i.e. a rotator) which adds to the cost and complexity
[12:59] <Scott85_> I meant for hab while chasing it
[12:59] <Geoff-G8DHE-M> Such as http://www.g8dhe.com/amateurradio/g8dhe/beams.jpg most of the time I use the co-linear for HAB
[13:00] <mfa298> for chasing you'll probably want a magmount for the car (e.g. watson wsm-270)
[13:00] <mattbrejza> i havnt taken a yagi to a hab chase for a while
[13:01] <Geoff-G8DHE-M> In that case as above on the car and a small 5-7 element beam for DF ing it if you don't see the payload from the last received positions
[13:01] <mfa298> a hand held yagi may then be useful for picking up a weak signal once it's landed or direction finding the payload if the telemetry isn't good.
[13:01] <mattbrejza> but in that case you can drive around and find somewhere a bit higher
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[13:01] <Scott85_> ok, so 2 antennae are ideal?
[13:02] <Geoff-G8DHE-M> yes
[13:02] <Scott85_> I'm not going to listen from home, just need to track my own
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[13:03] <Scott85_> Would a magmounted antenna would pick it up at high altitude though?
[13:03] <mfa298> assuming you're in the UK I'd *highly* recommend getting a home receiver station setup and try tracking other flights. You'll learn a lot about how the bits of software work so when you do your own flight there'll be less stress when things don't quite work
[13:04] <gonzo_> I've packed a yagi afew times. But usually you can get a good idea of it's landing place from the last few packets as it's coming down. Then you will probably hear the signal again when you drive there. Decode iot and you get the exact gps location
[13:04] <gonzo_> so never actrually used it
[13:04] <Geoff-G8DHE-M> Got to agree with that doing i for real with just a few sessions with your own payload is receipe for lossing it!
[13:04] <Geoff-G8DHE-M> A yagi like this http://www.arrowantennas.com/arrowii/440-5ii.html is ideal
[13:05] <gonzo_> arrow's are difficult to gtet in the uk
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[13:05] <Geoff-G8DHE-M> hence the "like this"
[13:05] <Geoff-G8DHE-M> they are simpler enough to make anyway
[13:05] <mfa298> For the payloads I've gone out chasing most of the time I/we've not had a yagi with us, the magmount has been good enough and the telemtry and a good map let you find the payload
[13:05] <gonzo_> made from arrows, so the mfr does noit want to get into the whole business of shipping weapons
[13:06] <gonzo_> he can sell all he can make in the us, so can't be arsed with silly laws around the worls
[13:06] <gonzo_> world
[13:08] <daveake> I always take a yagi when chasing however it's rare to actually need one
[13:09] <daveake> If you do get one, get a fairly small one you don't want a mahoosive yagi filling your boot
[13:10] <gonzo_> I have one of the mookraker ones (yep, bit cheap and tatty) but replaced the element securing nuts with wing nuts, and modded the elemnt sadles to allow the elemen ts to twivle. So I can sleeve the whole thing down into a bit of tube
[13:11] <gonzo_> swivle
[13:11] <daveake> swivel
[13:11] <Scott85_> I am going to have GSM as well as radio sending location so maybe I won't bother with a yagi then
[13:11] <gonzo_> just types that too, still didn';t look right
[13:12] <mfa298> again assuming your in the UK you might find there's someone that can lend you a yagi if you're only doing the occasional flight
[13:12] <gonzo_> gsm is not very reliable
[13:12] <gonzo_> but fair enough as a backup
[13:13] <Scott85_> Even while it's under parachute? I would have thought it would work pretty well 100m off the ground?
[13:14] <mfa298> If it can reconnect to the mobile networks in the last ~1km and it sends an sms during that period.
[13:14] <gonzo_> the gsm network drops off at height. And it's not a great height (others will rough figures)
[13:14] <mfa298> above 1km it may well have a signal but the gsm network could well have blocked it as you're hitting too many towers (so you have to wait for that to go)
[13:15] <gonzo_> and on the ground it will probably lose signal, unless close to a cell mast
[13:16] <Scott85_> I was planning on waiting until altitude was around 500m and then turning it on and sending sms
[13:16] <Scott85_> on it's way down only, not up
[13:17] <mfa298> you might want to find out how long it takes to come on and connect to the network before you can send a text.
[13:17] <mfa298> if it takes >60 seconds you could find it's on the ground before you can send a message.
[13:17] <mfa298> at which point it's probably too late
[13:18] <Scott85_> yeah, I'll calculate fall rate etc and check how long it takes to come on
[13:19] <daveake> I've used gsm twice. Once it didn't work at all. Second time I got 2 replies back from it on the way down, between 2km and sea level (literally sea level)
[13:19] <Scott85_> I probably will get a yagi too, don't want to lose the whole thing
[13:24] <Geoff-G8DHE-M> http://www.ebay.co.uk/itm/YG27-35-DUAL-BAND-HIGH-SPEC-2-70cm-YAGI-ANETNNA-WITH-ONE-FEED-/121413614123?pt=UK_Mobile_Phones_Communication_Radio_Antennas&hash=item1c44d0ba2b just remove the 2m elements
[13:25] <gonzo_> Scott85_, what receiver were you planning on using?
[13:26] <Scott85_> I'm using an RTLSDR
[13:28] <gonzo_> do you have a HABAMP or similar?
[13:29] <Scott85_> no, will I need one?
[13:29] <gonzo_> the RTL is quite a deaf receiver on it's own. You would do far better getting a habamp, before investing in a yago
[13:29] <gonzo_> yagi even
[13:30] <gonzo_> the habamp is a preamplifier, but with a filter on, so it will cut out a lot of local strong signals that could otherwise cause problems
[13:30] <mfa298> this is also where trying to track other flights (and with the fliers permission possibly even help chasing) as you'll then get to know how well things work when it's not your payload to worry about
[13:31] <gonzo_> they are avail at the UPU supplies(link on the UKHAS site)
[13:32] <Geoff-G8DHE-M> Treat the radio side just as you would software, build it up gradually and test as you go
[13:32] <Scott85_> yeah, I think I'll do that, will check if there are any upcoming launches once I have got my tracking equipment together
[13:32] <craag_philcrump> Scott85_: Where are you in the UK?
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[13:32] <Geoff-G8DHE-M> start with a dongle and simple aerial, test it on a few flights, then add better aerials, pre-amps etc as required
[13:32] <Scott85_> I'm in Nottingham
[13:33] <gonzo_> I would advise getting a hab amp early on. It will be pulling the cotton wool out of the receiver's ears
[13:34] <craag_philcrump> Scott85_: There's often flights from the cambridge area that you should be in range of once they're at a decent altitude.
[13:34] <Scott85_> ok, I will do
[13:35] <Scott85_> shewy, the cost of all this equipment is starting to add up
[13:35] <Scott85_> better than risking losing it all I guess
[13:35] <Geoff-G8DHE-M> Hence build up to what you need rather than go in at the top end!
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[13:36] <craag_philcrump> If you're strapped for cash then I wouldn't say a habamp is essential
[13:37] <craag_philcrump> I've chased successfully with a barefoot rtlsdr (even once with the gain turned right down by accident)
[13:37] <craag_philcrump> It did need a yagi to find it on the ground though - as it wasn't strong enough for decode
[13:38] <gonzo_> (my suggestionj was based on getting poor results early on and getting disenchanted with the whole thing.)
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[13:38] <Scott85_> ok, I'll check when next there is a launch from Cambridge and see if I can pick anything up with just a rtlsdr and magmount
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[13:39] <Geoff-G8DHE-M> May vary with the type of Dongle, it was 18 months before I tried using a hab-amp and that was mainly as I wanted it to work with a very simple aerial on the campeervan
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[13:39] <mfa298> if you havn't already join the mailing list, most people announce there a day or two before launching
[13:40] <Geoff-G8DHE-M> even now I don't always need it depends on interference and signal levels
[13:40] <mfa298> * Leo isn't most people
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[13:59] <Tramvai> What would cause Arduino setup to run continuously?
[13:59] <Tramvai> Well... in a loop.
[14:00] <daveake> You mean the setup() function in your code?
[14:00] <Tramvai> Yes.
[14:00] <fsphil> many things could
[14:00] <daveake> OK, just checking you dind't mean the installer
[14:01] <Tramvai> It should run only one, right?
[14:01] <Tramvai> *Once
[14:01] <daveake> a) loop in setup(); b calling setup() from loop(), c: AVR rebooting
[14:01] <Tramvai> I've ruled out B...
[14:02] <daveake> Did it start doing this when you added a bit of code ro added a library or expanded the size of a buffer?
[14:02] <Tramvai> What loop could there be in setup?
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[14:02] <daveake> while(), for() ...
[14:02] <Tramvai> I basically tried cleaning out my code.
[14:02] <Tramvai> Oh, those loops.
[14:02] <fsphil> hehe
[14:02] <daveake> Yes, C loops
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[14:03] <Tramvai> http://paste2.org/w0swIv55
[14:03] <Tramvai> Nothing seems to be causing it there...
[14:03] <gonzo_> no hear the word of the lord..... them loop them loops....
[14:03] <mfa298> starting place to look should normally be with your source code managment system (cvs, svn, bzr, git, hg, ...) to see what's changed
[14:03] <gonzo_> w
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[14:05] <daveake> Tramvai So what actually happens? How far does it get in setup() ?
[14:05] <Tramvai> Basically, the whole code starts from setup
[14:05] <Tramvai> It works fine, but it ALWAYS runs setup.
[14:05] <Tramvai> Count stays 0 etc...
[14:06] <daveake> Post the whole code
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[14:07] <Tramvai> http://paste2.org/kswFdzsa
[14:08] <fsphil> the SD library is very large. it's possible you've gone over the memory limit
[14:08] <mattbrejza> what does avr-size give?
[14:08] <Tramvai> Weird. It worked before.
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[14:12] <daveake> I think freenode loaded the SD library
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[14:12] <fsphil> nah, the ircd was written in basic
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[14:15] <Tramvai> mattbrejza: http://i.imgur.com/runZK9D.png
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[14:17] <Laurenceb_> http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1848/PF260319?sc=stm32l0-discovery
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[14:20] <Tramvai> So... anything more specific?
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[14:22] wenko_ (~wenko@192.81.213.56) got lost in the net-split.
[14:22] danielsaul (~danielsau@braavos.dansaul.co.uk) got lost in the net-split.
[14:22] PB0NER-Martijn (~PB0NER@moeling.xs4all.nl) got lost in the net-split.
[14:22] SushiKenBrown (~quassel@cmr-208-124-174-194.cr.net.cable.rogers.com) got lost in the net-split.
[14:22] <mattbrejza> your ram usage is 1800 bytes before the program even does anythnig
[14:23] <Tramvai> Hmm. Can I see what bits use the most RAM?
[14:24] <mattbrejza> you can avrsize on the individual .o files from the compiler
[14:24] <Tramvai> Alright.
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[14:32] cross (~cross@166.84.136.80) joined #highaltitude.
[14:33] <Tramvai> Any way to reduce SD library RAM usage?
[14:35] <Tramvai> mattbrejza: Thanks a lot though. :) I removed SD card from the equation and it works properly now. SRAM at 999 bytes instead of the 1800 before.
[14:58] neevnav (~neevnav@91.141.2.63.wireless.dyn.drei.com) joined #highaltitude.
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[15:12] <jiffe> all B's down for the count?
[15:13] <Geoff-G8DHE> B-66 re-appeared yesterday, now gone North, B-63 could still appear! Check out the Hy-Split predictions.
[15:14] <aadamson> jiffe, special B tracking page - http://spacenear.us/tracker/flyb.php
[15:14] <aadamson> or use the mobile tracker
[15:14] <Geoff-G8DHE> and http://habitat.habhub.org/mobile-tracker/ for Hy-Split predictions
[15:16] <jiffe> sweet\
[15:16] <jiffe> b64's taking the polar route eh"?
[15:16] <Geoff-G8DHE> Could re-appear anywhere!
[15:18] neevnav1 (~neevnav@91.141.0.152.wireless.dyn.drei.com) joined #highaltitude.
[15:19] <fsphil> where could it B!
[15:19] <fsphil> (sorry)
[15:19] <Geoff-G8DHE> You know where the naughty step is ...
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[15:39] <Lunar_Lander> hello
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[16:50] Nick change: jhj1 -> trn
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[17:08] Nick change: neevnav1 -> neevnav
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[17:34] WolfB (d9e05be7@gateway/web/freenode/ip.217.224.91.231) joined #highaltitude.
[17:35] <lz1dev> !ping B-63
[17:35] <SpacenearUS> lz1dev: Last contact was 8 days ago
[17:35] WolfB (d9e05be7@gateway/web/freenode/ip.217.224.91.231) left irc: Client Quit
[17:35] <lz1dev> !hysplit B-64
[17:35] <SpacenearUS> lz1dev: HYSPLIT for B-64 - http://spacenear.us/tracker/hysplit_cache/142362_B64.gif
[17:36] <mclane_> !ping PYSY
[17:36] <SpacenearUS> mclane_: No contact from PYSY
[17:36] <mclane_> cool feature
[17:36] SpacenearUS (~snus@kraken.habhub.org) left irc: Remote host closed the connection
[17:40] SpacenearUS (~snus@kraken.habhub.org) joined #highaltitude.
[17:40] <lz1dev> asd
[17:41] <SpacenearUS> New vehicle on the map: alien_chase
[17:43] SpacenearUS (~snus@kraken.habhub.org) left irc: Remote host closed the connection
[17:44] SpacenearUS (~snus@kraken.habhub.org) joined #highaltitude.
[17:44] chrisstubbs (~chrisstub@host86-146-237-225.range86-146.btcentralplus.com) joined #highaltitude.
[17:48] g0hww (~g0hww@46-18-105-34.static.vivaciti.org) left irc: Remote host closed the connection
[17:49] <MaXimaN> Neato bot
[17:49] #highaltitude: mode change '+o Upu' by ChanServ!ChanServ@services.
[17:50] <MaXimaN> Yeah, that should be a /msg response to user ideally
[17:50] #highaltitude: mode change '-c ' by Upu!~Upu@2a00:14f0:e028::2
[17:50] #highaltitude: mode change '+c ' by ChanServ!ChanServ@services.
[17:50] <MaXimaN> !ping B-66
[17:50] <SpacenearUS> MaXimaN: Last contact was a day ago
[17:50] <lz1dev> ChanServ establishing superiority
[17:50] #highaltitude: mode change '-o Upu' by ChanServ!ChanServ@services.
[17:50] <Dark-Fx> chanserv is bestserv
[17:55] LA5VNA (~n11618@84.48.126.250) left irc: Quit: Leaving.
[17:55] DL7AD_mobile2 (~androirc@ip-109-45-1-129.web.vodafone.de) left irc: Read error: Connection reset by peer
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[18:12] Ayu-Dag (c331c855@gateway/web/freenode/ip.195.49.200.85) left irc: Quit: Page closed
[18:17] tjanos (d46026b2@gateway/web/freenode/ip.212.96.38.178) joined #highaltitude.
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[18:34] <fsphil> !ping icarus
[18:34] <SpacenearUS> fsphil: No contact from icarus
[18:34] <fsphil> lies
[18:34] SiC (~Simon@cpc12-aztw24-2-0-cust193.aztw.cable.virginm.net) left irc: Ping timeout: 260 seconds
[18:36] <lz1dev> !tracker
[18:36] <SpacenearUS> lz1dev: Here you go - http://habhub.org/mt/
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[19:02] <chrisstubbs> Evening jcoxon
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[19:42] <SpacenearUS> New vehicle on the map: default_chase
[19:46] <lz1dev> !whereis default_chase
[19:46] <SpacenearUS> lz1dev: Over 11758 Modisabana street, Mabopane 0190, South Africa (-25.50622,28.04976) at 1191 meters.
[19:46] <lz1dev> south african habbers
[19:46] <lz1dev> i should've known
[19:47] <qyx_> !whereis B-66
[19:47] <SpacenearUS> qyx_: Over Canol Road, Yukon, Unorganized, YT Y0A, Canada (61.1052,-133.4243) at 13375 meters.
[19:47] <qyx_> \o/
[19:47] <lz1dev> put your hands down
[19:47] <lz1dev> !ping b-66
[19:47] Prometheas1 (~marios@141.Red-79-148-179.dynamicIP.rima-tde.net) left irc: Quit: Leaving.
[19:47] <SpacenearUS> lz1dev: Last contact was a day ago
[19:47] <qyx_> :(
[19:47] <lz1dev> :)
[19:48] #highaltitude: mode change '+o Upu' by ChanServ!ChanServ@services.
[19:48] #highaltitude: mode change '-o Upu' by ChanServ!ChanServ@services.
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[19:57] <Upu> who was it who gave me this mylar blimp at the conference ?
[19:57] <Upu> sorry I've forgotten
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[19:58] cross (~cross@166.84.136.80) got netsplit.
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[19:58] zsentinel (~zsentinel@unaffiliated/zsentinel) got netsplit.
[19:58] priyesh (~priyesh@unaffiliated/priyesh) got netsplit.
[19:58] jevin (~jevin@72.12.217.220) got netsplit.
[19:58] Trieste (~Trieste@unaffiliated/trieste) got netsplit.
[19:58] qyx_ (~qyx@krtko.org) got netsplit.
[19:58] Gnea (~gnea@unaffiliated/gnea) got netsplit.
[19:58] skagmo (skagmo@cassarossa.samfundet.no) got netsplit.
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[19:58] <LeoBodnar> It wasn't Dan, was he?
[19:59] endlezzz (~endlezzz@gateway/tor-sasl/endlezzz) left irc: Remote host closed the connection
[19:59] #highaltitude: mode change '+o jcoxon' by ChanServ!ChanServ@services.
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[20:00] #highaltitude: mode change '-c ' by ChanServ!ChanServ@services.
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[20:00] <lz1dev> !whereis b-64
[20:00] <Upu> no
[20:00] <SpacenearUS> 08lz1dev: Over 08Yukon-Koyukuk, AK, USA 12(66.2272,-156.2986) at 0812189 meters.
[20:00] <Upu> uff
[20:01] <daveake> !whereis icarus
[20:01] <SpacenearUS> 08daveake: I haven't got a clue
[20:01] <daveake> hah
[20:01] <Upu> now
[20:01] <Upu> yellow on white
[20:01] <Upu> is not good
[20:01] <lz1dev> irc on white background :(
[20:01] <adamgreig> quite glad my irc client strips colour nonsense
[20:01] <adamgreig> :P
[20:02] UpuWebThing (4e2036f1@gateway/web/freenode/ip.78.32.54.241) joined #highaltitude.
[20:02] <UpuWebThing> ah yes white here too
[20:02] <UpuWebThing> !whereis wally
[20:02] <SpacenearUS> 08UpuWebThing: I haven't got a clue
[20:02] <UpuWebThing> yeah don't work for me
[20:02] UpuWebThing (4e2036f1@gateway/web/freenode/ip.78.32.54.241) left irc: Client Quit
[20:02] GeekShadow (~antoine@nzf.turmel.info) joined #highaltitude.
[20:02] GeekShadow (~antoine@nzf.turmel.info) left irc: Changing host
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[20:03] <LeoBodnar> !whereis Upu
[20:03] <mfa298> colours in IRC is the start towards people using MS Comic Chat as an IRC client
[20:03] <SpacenearUS> 08LeoBodnar: I haven't got a clue
[20:03] Nick change: priyesh_ -> priyesh
[20:03] Possible future nick collision: priyesh
[20:04] Ian_ (5ceaf942@gateway/web/freenode/ip.92.234.249.66) joined #highaltitude.
[20:04] MoALTz (~no@user-5-173-21-232.play-internet.pl) joined #highaltitude.
[20:04] derpderp (5ec36fbe@gateway/web/freenode/ip.94.195.111.190) joined #highaltitude.
[20:04] <lz1dev> !whereis b-64
[20:04] <SpacenearUS> 08lz1dev: Over 08Yukon-Koyukuk, AK, USA 12(66.2272,-156.2986) at 0812189 meters.
[20:05] <lz1dev> yellow on white, yuk
[20:05] <Dark-Fx> yellow on black h ere
[20:05] qyx_ (~qyx@krtko.org) returned to #highaltitude.
[20:05] <Dark-Fx> why is your terminal white you monster
[20:05] <lz1dev> its not
[20:05] <lz1dev> im checking the web client
[20:05] <Upu> because I run Windows
[20:05] simium (5332459f@gateway/web/freenode/ip.83.50.69.159) joined #highaltitude.
[20:06] <lz1dev> im on windows too :D
[20:06] <Dark-Fx> irssi runs on windows
[20:06] <fsphil> so it's come to this :)
[20:06] <Upu> I've used mIRC since 1996... :)
[20:06] <Upu> actually let me just check that date
[20:06] <Dark-Fx> Upu: how's your windows 95 computer working these days?
[20:06] <mikestir> i'm using irc on a white background on linux - does that make me a bad person?
[20:07] <Upu> I actually started on IRC in #windows95 on IRCNET
[20:07] <mfa298> I'm suspecting that the blue on ubuntu's default terminal isn't going to work well wither
[20:07] zsentinel (~zsentinel@unaffiliated/zsentinel) returned to #highaltitude.
[20:07] <Upu> yes 1996
[20:07] <fsphil> good year
[20:08] <Upu> mIRC is part of the communication infrastructure of the US military,[15] which includes controlling unmanned airstrikes from the DGS-4 in Ramstein Air Base.[16][17]
[20:08] <Upu> oookay...
[20:08] <Lunar_Lander> oh
[20:09] jevin (~jevin@72.12.217.220) got lost in the net-split.
[20:09] Gnea (~gnea@unaffiliated/gnea) got lost in the net-split.
[20:09] skagmo (skagmo@cassarossa.samfundet.no) got lost in the net-split.
[20:09] CCFL_Man (130ce87e81@pool-71-161-254-170.sctnpa.east.verizon.net) got lost in the net-split.
[20:09] Scott85_ (~Scott@cpc14-basf9-2-0-cust125.12-3.cable.virginm.net) got lost in the net-split.
[20:09] cross (~cross@166.84.136.80) got lost in the net-split.
[20:09] LA5VNA (~n11618@250.84-48-126.nextgentel.com) got lost in the net-split.
[20:09] kf7fer (~KF7FER@c-50-139-110-236.hsd1.or.comcast.net) got lost in the net-split.
[20:09] <fsphil> that's worrying
[20:09] <jcoxon> netsplit!
[20:09] <lz1dev> i never imagined the us military having a airstrike irc bot net
[20:09] <fsphil> !bomb target
[20:09] <lz1dev> !abort
[20:09] <lz1dev> (connection reset by peer)
[20:09] <mikestir> if you join that channel does a bot ask you if you'd like to play a game?
[20:10] <fsphil> hah
[20:10] <LeoBodnar> À
[20:10] <LeoBodnar> c'mon Sandra
[20:11] <Dark-Fx> Mozart's Revenge
[20:11] <Dark-Fx> I used to have the pi symbol on my website
[20:12] Upu (Upu@2a00:14f0:e028::2) left #highaltitude.
[20:12] <simium> hi, anyone familiarized with listening to cubesats? I'm trying to listen a cubesat (any cubesat) but it looks like I need something better than a turnstile antenna pointed upwards
[20:12] <Lunar_Lander> btw there is no Ubuntu 14.04 ppa yet
[20:12] Upu (~Upu@2a00:14f0:e028::2) joined #highaltitude.
[20:13] <mikestir> simium: I've heard funcube on a telescopic standing in the garden
[20:13] <mikestir> telemetry and transponder
[20:13] <mfa298> Lunar_Lander: if you mean for dl-fldigi, there's instructions on the wiki to compile the stable version.
[20:13] <Lunar_Lander> ah thanks
[20:13] <lz1dev> 3 asd 4asd 5asd 6asd 7asd 8asd 9asd 10asd 11asd
[20:13] <Lunar_Lander> :)
[20:13] <Lunar_Lander> PARTY
[20:14] Upu (~Upu@2a00:14f0:e028::2) left irc: Client Quit
[20:14] <simium> mikestir: I got myself the funcube dongle pro + (to track a HAB), I set sdr# to 437 and I see "stuff" but I don't know what's data and what's garbage
[20:15] Action: mfa298 wonders how long until this decends to the lowest levels of Comic Chat.
[20:15] <mikestir> simium: are you in the uk?
[20:16] <simium> nope, Barcelona
[20:17] <mikestir> near enough. has a pass just ended? next one is about 22:40 uk time (an hour and a bit)
[20:17] <simium> for instance, I was listening to 437mhz and there was this constant "spike"
[20:17] SpacenearUS (~snus@kraken.habhub.org) left irc: Remote host closed the connection
[20:17] <simium> is that something useful? is is just noise?
[20:17] <mikestir> if you demod the telemetry in fm mode it's quite obvious - sounds like a repeating high speed data transmission
[20:17] <simium> mikestir: yep, I have gpredict right here and it says so, I will try again
[20:17] <mikestir> then you may hear ssb and cw on the transponder output
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[20:17] <lz1dev> !whereis b-64
[20:18] <SpacenearUS> 08lz1dev: Over 06Yukon-Koyukuk, AK, USA 12(66.2272,-156.2986) at 0612189 meters.
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[20:18] <craag_philcrump> Could we get the age ofo the position report too?
[20:18] <simium> mikestir: set sdr# to fm mode then dl-fldigi to cw?
[20:19] <lz1dev> !ping b-64
[20:19] <SpacenearUS> 08lz1dev: Last contact was 063 days ago
[20:19] <fsphil> I forget how to do colour in an irc client. probably a good thing :)
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[20:20] <mfa298> would be better if the time was in the whereis command as well rather than two queries filling the channel with colour
[20:20] <mikestir> simium: no, you can't decode the telemetry with dl-fldigi - they have a special windows utility for it. To listen on the transponder you'd just set sdr# to usb and tune around looking for voice or morse
[20:20] <simium> alright
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[20:21] <craag_philcrump> mfa298: Seconded.
[20:21] <simium> it would be nice just to listen to something meaningful, I've tried several times and I just see "garbage" :)
[20:21] <chimpusmaximus> Hi i'm trying to find some advice on power sources for paylaods. I have seen much advice to look to E91 AA's but was considering possibly 18650's.
[20:22] <mfa298> c8,2Is this how you do colour
[20:22] <Upu> Use E91 Energizer Lithiums chimpusmaximus
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[20:22] <simium> I tried to listen to the ISS with a 434 mhz yagi (dumb!) and I could actually see the ISS white dot and then some noise on sdr#, but I couldn't differentiate any "beep beep" transmission
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[20:23] <lz1dev> !ping b-64
[20:23] <SpacenearUS> 06lz1dev: Last contact was 063 days ago
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[20:23] <mikestir> simium: what antenna are you using for funcube?
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[20:24] <simium> mikestir: right now a custom trashy turnstile antenna out of rg58 wire
[20:25] <chimpusmaximus> cheers Upu i'm assuming that temp can be a major factor on power. Do people use things such as hand warmers?
[20:25] <Upu> no don't use those waste of weight
[20:25] <simium> like this one: http://www.timzaman.nl/?p=1888 (it's the one I'll be using as transmitter in my payload, I thought it could double as receiver)
[20:25] <Upu> heat doesn't transfer so well anyway in the rarefied air and oddly stuff can get too hot
[20:26] <Upu> simium http://ukhas.org.uk/guides:payloadantenna
[20:26] <SpeedEvil> http://www.gizmag.com/vv-plane-vtol-cargo-ducted-fans/33296/
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[20:26] <Upu> and yes you can use one the other way yp
[20:26] <SpeedEvil> To validate their proof of concept, 4x4 Aviation plans to display and fly a prototype scale-model of the VV-Plane on 26 September at Ashford Airport in Lydd, Kent, where the company is based. The model will have a 1 m (3.2 ft) wingspan, carry a 5 kg (11 lb) payload, and be used to test the flight control system.
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[20:28] <simium> Upu: nice, I made one of each (one using the shield wire and one using other wires)
[20:28] <chimpusmaximus> If people use vid cameras such as gopro do they get away with using standard battery?
[20:28] <kf7fer2> does tinfoil really make a good ground for the antenna?
[20:28] <Upu> don't see why not
[20:29] <daveake> tinfoil works fine
[20:29] <Upu> circle with a radius of 164mm should do nicely :)
[20:29] <Upu> if you can bend it back in a cone even better
[20:29] <kf7fer2> gee... and to think I've just been making hats with it
[20:29] <LeoBodnar> BS "With no dates so far set to launch the full-scale version, 4x4 Aviation is currently pursuing financial backing for the next stage in its development, which will be centered on the development of the companys technologies "
[20:30] <LeoBodnar> i.e. "give us money to buy officey stuff"
[20:30] <nigelvh> Upu, my order arrived today
[20:30] <nigelvh> Thanks!
[20:30] <daveake> circle as requested http://www.daveakerman.com/wp-content/uploads/2011/09/P1030170-1024x768.jpg
[20:30] Nick change: kf7fer2 -> kf7fer
[20:30] <Upu> no problems nigelvh
[20:30] <daveake> (prior to addition of radiating element)
[20:31] <kf7fer> daveake: does the size of the ground plane also need to be 1/4 wave?
[20:31] <simium> nice
[20:31] <nigelvh> Haha, box is pretty well smashed
[20:31] <Upu> really ?
[20:31] <nigelvh> Yeah
[20:31] <nigelvh> Lemme grab a pic
[20:31] <Upu> unusual
[20:31] <mfa298> hmmm, hats and antennas with tinfoil. How long until someone combines the two to make a wearable tracking antenna ?
[20:31] <Upu> kf7fer in theory but I came to the conclusion a while ago in practice you can get away with murder
[20:32] <nigelvh> Parts inside look fine though
[20:32] <craag_philcrump> kf7fer: Ideally it'd be infinite, but 1/4 wave long is a more convenient tradeoff
[20:32] <daveake> kf7fer Not necessarily, but I usually use 164mm gp wires
[20:32] <daveake> That one was smaller
[20:32] <kf7fer> ok I've just done a more traditional 1/4 wave with the 4 ground wires. And I had a friend tell me that a ground plane like the tinfoil ones shown wouldn't work - period.
[20:33] <simium> couldl this kind of antenna be used as a receiver?
[20:33] <Upu> certainly simium
[20:33] <kf7fer> so nice to know it's an option
[20:33] <Upu> Your friend is wrong
[20:33] <daveake> Not having one at all will still work well enough
[20:33] <craag_philcrump> kf7fer: The idea of 4 wires is to approximate a plane
[20:33] <Upu> we've done it with no GP
[20:33] <Upu> 2 radials
[20:33] <Upu> it does reduce the performance
[20:33] <Upu> causes fading
[20:33] <Upu> etc
[20:33] <Upu> but it still works
[20:33] <LeoBodnar> i wonder if human body resonates at about 90MHz
[20:33] <kf7fer> Upu: good enough for me.
[20:34] <Upu> simium http://www.arrowantennas.com/gp/gp146.html
[20:34] <fsphil> LeoBodnar: I've used myself as a LW antenna once. I worked quite well
[20:34] <kf7fer> one more antenna question: Can I use the same very thin wires for a 2m antenna I see everybody using for 70cm? Shouldn't matter, should it?
[20:34] <craag_philcrump> heck one of my picos ended up with the groundplane wires sagging to be nearly wrapping the radiated element
[20:34] <nigelvh> Upu: https://digitalnigel.com/wordpress/wp-content/uploads/2014/08/IMG_1055.jpg
[20:34] <craag_philcrump> still worked - albeit a *little* weak :)
[20:34] <LeoBodnar> some body parts can be used as tunable antennas
[20:35] <Upu> holy crap thats bad
[20:35] <Upu> thats worse than the one that spent six months in India before being returned
[20:35] <nigelvh> Yeah, looks like it got sat on a few times on the flight over.
[20:35] <Dark-Fx> optimum packaging
[20:35] <Upu> those boxes you can stand on
[20:35] <Upu> so thats had some abuse
[20:36] <Upu> That damage could have broken an antenna off a break out
[20:36] <nigelvh> The ublox's look undisturbed, so nothing to worry about this round.
[20:37] <Upu> ok good :/
[20:37] <nigelvh> The foam saved them
[20:37] <SpeedEvil> Upu: who are you shipping with?
[20:37] <Upu> Post Office then USPS in nigelvh's case
[20:38] <Upu> they are in the box and then in a padded envelope
[20:38] <SpeedEvil> ah
[20:38] <Upu> I've never had anything been reported as broken on arrival
[20:38] <SpeedEvil> It looks like someone made a special effort
[20:38] <Upu> yup
[20:38] <nigelvh> Yeah, hard to tell much in terms of damage in a padded envelope, but the box as you saw was well mangled.
[20:39] <Upu> if you've ever had a habamp off me you know I pay special attention to making them hard to open :)
[20:39] <Reb-SM0ULC> LeoBodnar: what tx-chip are you using? that includes the 2m band?
[20:39] <nigelvh> Normally everything I ship via USPS comes through very well, so it's interesting that it came through like this.
[20:39] <LeoBodnar> Si406x
[20:39] <Upu> its had something with an edge on it and some force
[20:39] <nigelvh> Maybe the side of a boot
[20:40] <nigelvh> Also, every time I order from you I am reminded how much different our currencies are. "Oh it's only 40 for two!" Translation $70
[20:40] <Reb-SM0ULC> LeoBodnar: ah, thanks
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[20:41] <Upu> well watch this space
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[20:41] <Upu> going to reduce the price when I get hold of the MAX8's
[20:41] <LeoBodnar> good job you are not in Zimbabwe
[20:41] <nigelvh> Oooh
[20:41] <ScottM85> This DeminoEx is great: tef8eUi)rerÃða>mDPttotoZ rnt atrYnitantorRtoatoraet o eD teirFny ottra orexnnrr3 enzo yOzeoi'arMainUe teLtEooaoi5RrF4IVJnrxi?ai n.ao
[20:41] <ScottM85> aiiToen rZeeÃn rton te ro earoikni,eteo i FoUV-inr0nyi m?fxe9a
[20:41] Action: Upu pokes ScottM85
[20:41] <nigelvh> They're still a good deal, but it throws for a little loop every time.
[20:42] <fsphil> nice the other way
[20:42] <Upu> you get 20% off anyway nigelvh
[20:42] <Upu> do you pay any import duty ?
[20:42] <nigelvh> Doesn't look like it.
[20:42] <Upu> nice
[20:42] <nigelvh> And yes, I don't have to pay VAT
[20:42] <nigelvh> Which is nice
[20:45] <SpeedEvil> nigelvh: It's the new import procedure - no import duty if we stamp on it
[20:46] <nigelvh> Haha
[20:46] <nigelvh> Well, the "if" there is up for debate, because I wasn't asked...
[20:46] <nigelvh> "no import duty *when* we stamp on it"
[20:46] <ScottM85> squashing import duties
[20:50] <LeoBodnar> Postal stamp
[20:51] <ScottM85> haha
[20:53] <LeoBodnar> vv-plane is shit
[20:53] <LeoBodnar> Imagine if Skunk Works would
[20:54] <LeoBodnar> 1) create a bullshit videos
[20:54] <LeoBodnar> 2) patent stuff before even testing it
[20:54] <LeoBodnar> 3) put their names on all the company PR crap
[20:55] <LeoBodnar> 4) go get money
[20:55] <LeoBodnar> 5) test a 1:100 prototype
[20:56] <LeoBodnar> we'd be still flying fabric covered biplanes
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[20:58] <LeoBodnar> 1a) replace every odd powerpoint slide with your face
[20:58] <Reb-SM0ULC> LeoBodnar: isn't it vw-plane? vaporware-plane
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[21:05] <SpacenearUS> New position from 06lw2dtz after 06a day silence.
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[21:06] <LeoBodnar> wait, transport containers?! individually?! by air?!
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[21:07] <LeoBodnar> so 50-60% of dry weight is a steel box? are they mad?
[21:08] <kf7fer> So is this plane something like "Vaporware 1.0" at Kickstarter? https://www.kickstarter.com/projects/1668001271/vaporware-10
[21:09] <SpeedEvil> LeoBodnar: it's a sane concept - if your batteries and motors will allow it
[21:09] <SpeedEvil> LeoBodnar: I don't think they do
[21:09] <SpeedEvil> Neglecting ridiculous aerodynamic issues with their exact proposed design
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[21:11] <LeoBodnar> 20ft container weighs 2 tonnes
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[21:17] <LeoBodnar> the team does not have a single engineer http://www.4x4aviation.com/about-us/the-team/
[21:18] <LeoBodnar> main webpage has a deeply moving quote from the founder himself "Local and national economies, as well as developing countries, are today struggling to meet the ever-increasing demands for transport infrastructure. A viable solution will generate huge economic and social benefits for these countries. Thorsten U. Reinhardt"
[21:19] <MaXimaN> I'll wager It's a foam and plywood job with a modified Ardupilot variant onboard, and a stack of LiPos
[21:19] <LeoBodnar> this beggars belief
[21:20] <Laurenceb> lol viable solution
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[21:21] <LeoBodnar> Basically translates as: "Life is shit. Somebody should sort it out. V.Pooh"
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[21:23] <MaXimaN> Heh
[21:24] <Lunar_Lander> some funny british music https://www.youtube.com/watch?v=c1oMtwmTaNQ
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[21:28] <mfa298> If you think that's funny british music there's a whole world of even weirder stuff out there
[21:28] <Lunar_Lander> xD
[21:29] <mfa298> https://www.youtube.com/watch?v=t7F6Jnrqa4c
[21:30] <mfa298> warning: you probably need some proper zider for that to be a good video to watch
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[21:32] <kf7fer> So if I'm trying to charge a LiPo via solar, I would have thought I'd feed the output of something like the SPV1040 to the input of the MCP73831 (to actually charge the LiPo). Is that overkill?
[21:33] <kf7fer> (and I guess I'd then use a buck converter to power the rest of the hardware?
[21:33] <kf7fer> +)
[21:34] <LeoBodnar> I should stop reading this crap... "Combustion Engine ...thermodynamic process machine...in the future will eventually lead to machines achieving over 75% fuel efficiency and zero emissions."
[21:35] <ulfr> lol
[21:35] <LeoBodnar> no emissions whatsoever. Plus 25% of fuel cost as cashback
[21:37] <LeoBodnar> Gah! " Microcontrollers Microcontrollers receive data from the sensors and translate software instructions which in turn continually adjust the turbines to precisely position the aircraft."
[21:38] <LeoBodnar> Where do queue to get onto this gravy train?
[21:38] <LeoBodnar> I
[21:40] <mikestir> simium: funcube should be audible to you now - the telem is on 145.935 ish
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[21:44] <Laurenceb> in the real world
[21:45] <Laurenceb> Siemens have got 61% efficiency from a gas turbine combined cycle
[21:45] <Laurenceb> very impressive
[21:46] <LeoBodnar> but luckily they are not trying to stick it onto electric Harrier jump jet
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[21:46] <Laurenceb> heh
[21:46] <LeoBodnar> and carry around iron slabs
[21:47] <Laurenceb> yeah, steam cooled turbine blades and everything
[21:47] <LeoBodnar> this website is pure gold http://www.4x4aviation.com/country-part-1/
[21:48] <LeoBodnar> "Between then and November 2009, I attempted to offer the technology to companies such as Siemens as well as vehicle manufacturers, such as MAN, Volvo and BMW. They all agreed that the approach was viable but did not fit their development schemes at that time."
[21:48] <Upu> sounds like a polite way of say "lol"
[21:49] <LeoBodnar> Hey Bob, we have this maniac calling again, it's your turn to talk to him...
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[21:50] <Upu> "hallo I want to change billions"
[21:50] <LeoBodnar> I can but quote the masters: "Thanks for your email. I did see your Kickstarter campaign and I wish you the best of luck with it however I do have some concerns....[blah blah blah] ...plus a fair amount of marketing BS."
[21:50] <daveake> beat me to it
[21:51] <Upu> lol
[21:51] <daveake> You saw the reply?
[21:51] <LeoBodnar> yeah
[21:51] <LeoBodnar> BS^2
[21:51] <Laurenceb> the masters of kickstarter BS
[21:51] <Laurenceb> http://technicalillusions.com/
[21:51] <daveake> "We highly value your feedback", however didn't address any of it
[21:53] <Upu> lol
[21:53] <LeoBodnar> oh, boobs and moobs
[21:54] <Laurenceb> its a workable idea but they havent got a clue how to build it
[21:55] <Laurenceb> thats why theres no product shipping
[21:55] <LeoBodnar> but there is
[21:55] <LeoBodnar> 1) video
[21:56] <LeoBodnar> 2) names
[21:56] <LeoBodnar> 3) faces
[21:56] <LeoBodnar> etc...
[21:56] <Lunar_Lander> wonder if they ever heard of Carnot
[21:56] <Lunar_Lander> regarding the efficiency thing
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[22:02] <Laurenceb> they could have done it with laser pico projectors, but those kind of got cancelled
[22:03] <Laurenceb> as nobody wants to stick them on phones
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[22:05] <Laurenceb> SP3OSJ needs to go up on arhab
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[22:08] <Laurenceb> B-64 might reach iceland in a could of days
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[22:09] <ulfr> O.o
[22:09] <ulfr> Might have to call that off, we have an volcanic eruption on the horizon.
[22:09] <ulfr> "Go back to UK silly balloon"
[22:09] <Lunar_Lander> oh hi to iceland
[22:09] <Lunar_Lander> :
[22:10] <Lunar_Lander> :)
[22:10] <craag_philcrump> That would be quite an end
[22:10] <craag_philcrump> balloon taken down by volcano
[22:10] <ulfr> haha
[22:10] <ulfr> Quite unexpected tho'.
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[22:11] <Lunar_Lander> on "The Planets" by the BBC they said that in 1999 the idea was to end the Galileo mission by steering it into one of Io's volcanic plumes
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[22:11] <craag_philcrump> mother nature so peeved by this party balloon running circles around her like a buzzing B[ee] - reaches out and smites it with liquid rock..
[22:12] <Lunar_Lander> ohh
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[22:12] <ulfr> Well, if you look at it that way, balloons to Mother Earth are kind of small flies to us
[22:12] <ulfr> kind of like*
[22:12] <craag_philcrump> *really* small flies
[22:12] <ulfr> of course
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[22:29] Nick change: danielsaul_alt -> danielsaul
[22:37] <simium> mikestir: just tried funcube and zacube, no luck
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[22:37] <simium> this is the kind of things that would be way easier with an expert by my side :p
[22:38] <mikestir> I had a listen when it came over an hour ago - telemetry was quite strong but I didn't hear anything on the transponder
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[22:40] <simium> thing is, I don't know how to modulate the signal so I hear something "useful"
[22:41] <simium> I mean, I set sdr# to the desired frequency then wait for stuff to appear, any strong line
[22:41] <simium> then I set it to usb and place it over the strong line... no "beep beep" morse or whatever
[22:42] <simium> and I can use sdr#, been playing around with a ntx2, arduino and rtty
[22:55] <fsphil> should try sending an image over the fcd repeater
[22:55] <fsphil> when nobody else is using it
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[23:53] Nick change: PsionicO1 -> PsionicOz
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[00:00] --- Tue Aug 19 2014