highaltitude.log.20140625

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[00:16] <Jeremail> noob question, but what is epx, epy and epv on gps?
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[00:42] <Jeremail> creepy
[00:42] <Jeremail> the gps is accurate enough to point to my window..
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[00:55] <Jeremail> I will look into that nearus api stuff tomorrow xD
[00:55] <Jeremail> cya
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[05:38] <Steve_M6SNK> Morning all - does anyone know if the max7 boards that upu sells are backwards compatible with the max6?
[05:38] <Steve_M6SNK> Do I need to change code?
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[05:42] <Upu> ...
[05:42] <Upu> yes they are
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[05:45] <Upu> yes they are Steve_M6SNK
[05:45] <Upu> compatible
[05:47] <Steve_M6SNK> Excellent - I shall have to put an order in
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[05:56] <Steve_M6SNK> Upu: do you sell a 3v3 version still?
[05:56] <Upu> yes they are all 3.3V
[05:56] <Upu> apart from the Arduino 5V version :)
[05:56] <Upu> which one did you get before ?
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[06:00] <Upu> heading to work back in 30
[06:00] <Steve_M6SNK> The 3v3 max6 board with antenna
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[06:02] <Upu> http://ava.upuaut.net/store/index.php?route=product/category&path=59_60
[06:02] <Upu> back soon
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[06:07] <Steve_M6SNK> Sorry <upu> connection issues - I think I am online now though
[06:07] <Steve_M6SNK> The last one I brought was the Max 6 board with antenna.
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[06:25] <Steve_M6SNK> *** nick Steve_M6SNK ***
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[06:26] <UpuWork> morning
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[06:34] <Steve_M6SNK> UpuWork: it looks like you have changed the antenna s on the GPS boards as well
[06:35] <Steve_M6SNK> UpuWork: was that an upgrade or a supply issue
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[06:36] <UpuWork> Are you refering to the Arduino 5V board : http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=68 ?
[06:37] <Steve_M6SNK> I think I need this one http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=51
[06:38] <UpuWork> same antena
[06:38] <UpuWork> just a different sleeve/radome
[06:39] <Steve_M6SNK> OK thanks
[06:39] <UpuWork> just doing the orders now so if you get the order in in the next 15 mins it will ship today
[06:41] <Steve_M6SNK> Right I think I will miss today don't wait for it
[06:43] <UpuWork> nps thanks
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[07:16] <mikestir-work> any foil float experts around yet?
[07:22] <mikestir-work> ...and does anyone have any idea why my launch announcement hasn't shown up on the mailing list?
[07:24] <mikestir-work> and as if by magic :)
[07:29] <craag> mikestir-work: Good luck for the float! Got a rough prediction of direction?
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[07:31] <mikestir-work> craag: looks like roughly south east
[07:32] <craag> sounds like rather a good direction :)
[07:32] <mikestir-work> then tending more east, so over germany, czech republic
[07:32] Action: fsphil waves from the north west :p
[07:33] <mikestir-work> fsphil: it looks a bit like it might start off going your way then turn, so you might get something
[07:35] <mikestir-work> hope it goes ok. It's a bit last minute. I told the school ages ago that I'd do a foil as a warm up for their next hab (because they can't launch the hab from the school), then nothing more was said until a couple of weeks ago
[07:35] <mikestir-work> so the tracker firmware isn't exactly well tested!
[07:36] <craag> Is this your freescale arm M0+ based one?
[07:36] <mikestir-work> yes
[07:37] <mikestir-work> KL05
[07:37] <mikestir-work> and Si4060 radio
[07:37] <craag> nice, got any pics of the board?
[07:38] <mikestir-work> http://www.mike-stirling.com/files/DSC_2396.JPG (will be deployed without the SMA and with the connector piece cut off)
[07:39] <craag> very neat
[07:39] <craag> What gps antenna are you using?
[07:40] <mikestir-work> dipole
[07:40] <mikestir-work> seems to work ok
[07:41] <mikestir-work> quite well in fact
[07:41] <craag> I found a 1/4 wave works surprisingly well
[07:41] <craag> I think Leo flew one as well?
[07:41] <mikestir-work> yeah I think leo said he uses 1/4 wave wire every time now
[07:41] <craag> cool
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[07:42] <craag> well good luck! Thanks for all the answers...
[07:42] <mikestir-work> could still do with some hints on filling. it was suggested that 1.5g of free lift is the target, which sounds hard to measure
[07:43] <fsphil> ah, this has an arm chip?
[07:43] <mikestir-work> yes freescale kinetis
[07:46] <craag> Yeah I think measuring is the tricky bit
[07:46] <craag> a room with no draught, no-one moving around, and a set of drug-dealers weighing scales
[07:47] <mikestir-work> how do those qualatex balloons seal? is it feasible to take the filling tube out and then re-insert if necessary?
[07:47] <craag> yep
[07:47] <craag> they're a flat tube inside that self-seals with the balloon pressure
[07:47] <craag> http://ukhas.org.uk/guides:filling_foil_balloons
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[07:55] <mikestir-work> yeah I saw that page - so there's no need to stick it down?
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[07:56] <craag> I think some people have glued it, but the general opinion was that it was unneccessary
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[07:57] <craag> I've managed one accidental float with jsut it's own seal :P
[07:58] <mikestir-work> so I suppose folding over and taping is reasonable then
[08:00] <craag> Yeah I think I did that anyway just to make the payload more secure
[08:03] <craag> I'd love to get in on this float malarky. but gps payloads are a) expensive and b) too easy to track. Could do a tracker with just a pressure sensor and heatmap by rssi...
[08:04] <fsphil> have something that just repeats the 60khz time signal
[08:04] <fsphil> track it via TOA
[08:05] <craag> requires an accurate time reference at the receiver though
[08:05] <fsphil> same 60khz time signal
[08:05] <craag> does reduce number of possible receivers though
[08:05] <craag> requiring people to get it set up
[08:05] <fsphil> true
[08:05] <fsphil> but more fun
[08:05] <craag> does fldigi report received rssi?
[08:06] <fsphil> I'm not sure what the signal meter shows
[08:06] <craag> or could do turbohab and use fec stats..
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[08:24] <mikestir-work> could you downlink the L1 GPS frequency and do the calcs on the ground?
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[08:25] <fsphil> like the met sondes
[08:25] <craag> Yep, time investment would probably be a lot more expensive than a few ubloxs though ;)
[08:26] <fsphil> I think the met sondes have a normal gps front end, but just transmit down the phase of each of the satellites it sees
[08:26] <fsphil> wouldn't be much cheaper for such small quantities
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[08:30] <mikestir-work> one of the design goals for my arm tracker was low cost - that (and power consumption) was why I ended up using kinetis
[08:31] <mikestir-work> the total bom is under a fiver if you exclude the ublox
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[08:36] <FuzzyLemon> Hello. Please can I have this flight doc approved: fd722a399d0d3492b87f3271fb3d41d7
[08:36] <UpuWork> hi FuzzyLemon
[08:36] <UpuWork> whats the payload name and does it appear on spacenear.us correctly ?
[08:38] <FuzzyLemon> It's BalYOLO. I tested it yesterday and BALYOLO was uploading to spacenear.us correctly
[08:38] <FuzzyLemon> BALYOLO all caps
[08:38] <UpuWork> Approved
[08:39] <FuzzyLemon> that was quick. thank you
[08:39] <UpuWork> nps
[08:40] <mikestir-work> UpuWork: aadamson said you suggested 1.5g free lift for a 36" float. does that sound about right?
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[08:58] <UpuWork> yeah about there 1-2g
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[09:02] <majemoi> Please, what is the real status of icarus?
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[09:04] <fsphil> zombie
[09:04] <fsphil> it's just a test
[09:04] <fsphil> not an actual flight
[09:04] <fsphil> and has now been cleared from the tracker
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[09:07] <mikestir-work> should patch habitat so that it changes the callsign "icarus" to "test flight ignore"
[09:07] <jonsowman> should just create a different wav
[09:08] <cm13g09-work> should also patch it to ignore HABDUINO ;)
[09:08] <cm13g09-work> (force people to change the HABDUINO call sign ;) )
[09:08] <WillDWork> or possibly have a payload optionally marked as test which goes to a spacenear.us/testtracker type page?
[09:09] <cm13g09-work> WillDWork: Better idea :)
[09:09] <cm13g09-work> or indeed, an option to turn on test flights
[09:11] <mfa298> that's been talked about several times already and I think half the stuff is already in place
[09:11] <mfa298> i.e. only appear on snus/tracker if it's got a current flight doc
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[09:27] <fsphil> yea the spacenear.us/test is a long requested feature. basically any non-approved flights should go there
[09:28] <mikestir-work> should be called "benchnear.us"
[09:28] <fsphil> testnear.us
[09:29] <mikestir-work> one for archived flights called fieldnear.us
[09:29] <mikestir-work> or more likely treenear.us
[09:31] <mfa298> and one for Leo, floatawayfrom.us
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[09:33] <mfa298> unfortunately it looks like someone already has and uses the from.us domain :(
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[09:45] <fsphil> all the good domain names are taken
[09:46] <DL7AD> fsphil: what about nogif.org
[09:47] <fsphil> good domain names
[09:48] <DL7AD> fsphil: you must make a good domain name. for example google is a writing mistake ;)
[09:49] <DL7AD> well thats just too hard
[09:50] <fsphil> yep
[09:50] <fsphil> I've loads of domain names, none of them are that good but I don't really want to let them expire
[09:51] <DL7AD> me too. but i just have 1 or 2
[09:53] <DL7AD> okay must leave to work
[09:54] <DL7AD> doing the laate shift
[09:54] <fsphil> fun
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[09:56] <SpeedEvil> Bit squatting is fun
[09:57] <SpeedEvil> How many people hit Google.com daily.
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[09:57] <SpeedEvil> Now, how many single bitflips do you get to Googte.com
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[10:09] <mikestir-work> so did google actually intend to spell it googol?
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[10:45] <SpeedEvil> no
[10:45] <SpeedEvil> IIRC
[10:45] <SpeedEvil> It was intentional
[10:48] <mikestir-work> yes I always thought it was intentional
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[10:49] <mikestir-work> anyway isn't the way to pick a good web2.0 domain just to add -ly on the end?
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[10:53] <fsphil> lyly.com
[10:53] <fsphil> which is taken
[10:54] <fsphil> commercial real estate. oooh I can have my own far east goldmine. only 5 million USD
[10:55] <jonsowman> bargain
[10:55] <fsphil> student housing. only 32 million
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[11:05] <amell> isee reboot looks promising.
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[11:06] Action: amell wonders if spacecraft have authentication.
[11:07] <amell> Whats to stop me taking control of iSEE3 and smashing it into the earth?
[11:09] <SpeedEvil> Does the student housing have built in webcams?
[11:09] <fsphil> lack of hardware, software, datasheets?
[11:10] <amell> fsphil: is that an obstacle to a determined terrorist though
[11:10] <jonsowman> yes
[11:10] <jonsowman> yes it is
[11:12] <jonsowman> it's an obstacle to people who are specifically authorised to do this by NASA and even have their help
[11:12] <fsphil> look how difficult it is for the people who have permission and have all the information
[11:12] <SpeedEvil> Jamming in principle would be 'easy'
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[11:12] <SpeedEvil> But - you need a very large dish and a very powerful 8GHz transmitter
[11:12] <nats`> even bob marley can jammin' !
[11:13] <SpeedEvil> - of the order of 30m and 300kW I'd guess, to equal what aricebo could do.
[11:13] <fsphil> you'd basically need to be a bond villian
[11:14] <fsphil> ain*
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[11:15] <jonsowman> so aiming for trajectory correction between 30th june and 2nd july
[11:17] <amell> yep. they expect to finish spin up burn today. fingers crossed
[11:17] <amell> im not sure theyve completely worked out why the command counter doesnt increment.
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[11:27] <fsphil> it does sometimes
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[11:45] <Laurenceb_> https://hifiduino.wordpress.com/2014/04/01/ibox/
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[12:26] <jonsowman> so aiming for trajectory correction between 30th june and 2nd july
[12:31] <aadamson> mikestir-work, what time will it happen? I'll try to watch remotely, but I have meetings this morning... scanned back through. free lift is just weigh out some sticky tack putty for 1-2gr
[12:32] <aadamson> stick it on the payload, fill till that provided neutral boyancy
[12:33] <aadamson> I just leave the payload looped through the balloon fill and keep adding a smidge until it floats with the free lift weight attached, then remove it and roll the tube and tape it
[12:33] <aadamson> you'll need to account for that little bit of tape
[12:33] <aadamson> Balloon will be approx 40-50% full is all - good luck - got my fingers crossed for you!
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[13:05] <Laurenceb_> http://www.linuxatemyram.com/
[13:07] <SpeedEvil> http://tv.slashdot.org/video/?embed=lwY2tkbjpgF3BklPpUN9c0cKqSle6uNA - self balancing motorbikeish thing. 200 miles on 10kWh
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[13:08] <Laurenceb_> http://www.theregister.co.uk/2014/06/25/brace_yourselves_brazil_dill_in_world_cup_wifi_spill/
[13:08] <Laurenceb_> lolling
[13:10] <fsphil> security through obscu... ah crap
[13:10] <SpeedEvil> :)
[13:10] <mfa298> pretty sure I've seen something very similar for another largish event
[13:10] <fsphil> there's a link at the end of the story about another similar event in the US
[13:11] <mfa298> I just spotted that link. could be the one I was thinking of
[13:12] <nats`> Superbowl ?
[13:12] <mfa298> although anyone doing secure wifi on that sort of scale and using wpa-psk deserves to have the password leaked.
[13:13] <fsphil> it'll be the photographer who gets blamed
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[13:18] <SpeedEvil> To bring this back on topic.
[13:18] <SpeedEvil> Nice quadcopter with a decent cam, image stabilisation and an indexing system.
[13:19] <SpeedEvil> Point it at a skyscraper, and it flies a nice track up and down, hitting all the windows, and taking really high res pictures of the insides.
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[13:25] <fsphil> the windows are quite reflective on the outside on some buildings
[13:26] <mikestir> bah going to have to change frequency for this afternoon
[13:26] <mikestir> massive qrm
[13:27] <mikestir> anyone know what frequency balyolo is on?
[13:27] <FuzzyLemon> 434.500MHz
[13:27] <mikestir> ok. I'm going to go up 50 to 434.450 so that should be fine
[13:29] <mikestir> although the qrm has gone now. hmm
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[13:30] <Maxell> mikestir: qrm \o/
[13:32] <FuzzyLemon> cool. The default shift is 500Hz in the payload doc, but its actually more like 530
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[14:10] <DL7AD> hi
[14:15] <Maxell> Hello DL7AD
[14:15] <mikestir> bloody gps won't lock now
[14:15] <mikestir> there appears to only be 4 satellites overhead though
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[14:19] <Maxell> mikestir: does the gps tell you that?
[14:19] <Maxell> He can only see 4 sats then
[14:19] <mikestir> no - a constellation map on my phone
[14:19] <mikestir> they're all down on the horizon
[14:19] <mikestir> it's just bad timing!
[14:22] <Maxell> That can happen with GPS?
[14:23] <Maxell> TIL...
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[14:27] <Maxell> mikestir: how often does this happen?
[14:31] <DL7AD> X1 has been launched
[14:35] <aadamson> mikestir, you see my comments from an hour or so ago? Was about how to do free lift.
[14:35] <aadamson> On mobile so not a fast typer
[14:36] <nats`> fiiiooouuuuuu because of scafold on the building I can't track anything :\
[14:36] <nats`> and it'll be like that for 2 or 3 month
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[14:40] <SA6BSS|2> New series from Leo ?
[14:41] Nick change: SA6BSS|2 -> SA6BSS
[14:44] <mattbrejza> or hes started tracking birds
[14:44] <fsphil> looks like it
[14:46] <DL7AD> really?
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[14:59] <DL7AD> we saw your bird flying LeoBodnar :D
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[15:01] <SpeedEvil> He's making his own balloons.
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[15:02] <Laurenceb_> is it on a rc plane?!
[15:03] <LeoBodnar> yeah RC plane fun
[15:03] <Laurenceb_> hah nice
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[15:33] <Ian_> So, with helium and a large condom, what sort of payload weight and altitude could we realise and any personal preference as to envelope types. I only have experience with the small to medium sizes :-)
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[15:39] <SpeedEvil> http://www.aliexpress.com/popular/horse-condoms.html
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[15:40] <mikestir1> Up
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[15:43] <myself> Ian_: improvised habbing? try a cluster of 'em...
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[16:11] <Ian_> Equine fruit flavoured HABs . . . what an opening line in the chemist/vet's. a bit like me keeping naked girls in boxes at the bottom of the garden (bees) it gets the attention before the logic kicks in.
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[16:13] <G8APZ> Ian ...and I'm waiting for Samantha to show me her 38 bees....!
[16:14] <Ian_> Maybe more readily available than 36" foil, but interested in the lifting capacity. = = = 38 bees?
[16:14] <Ian_> Oh, yep, attention before logic . . . lol.
[16:14] <myself> yup, took me a moment
[16:16] <LeoBodnar> Ian_ with 4-5g payload you can expect ~10km
[16:16] <Ian_> I had never viewed horses as indulging in that sort of recreational pursuit. Next they will be smoking Hamlet cigars.
[16:16] <G8APZ> I'm waiting for WG2 to come into range.. a slow ascent may mean some time before I hear it
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[16:17] <G8APZ> Only M0MKS tracking it at the moment
[16:18] <Ian_> Thanks Leo - the man most likely to know. I guess that would be a challenge to get a tracker in that, but a TX and processor, sans GPS for a quiet days entertainment.
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[16:19] <G8APZ> Ian GPS would add very little to the weight
[16:19] <G8APZ> small chip and chip antenna
[16:19] <LeoBodnar> I was going to fly just a baro tracker but filling them is a bit of a challange because of all the lubricant
[16:20] <Laurenceb_> huh?
[16:20] <Laurenceb_> oh condoms?!
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[16:23] <Ian_> Careful washing of envelope before (after?) use. More bangs for your buck so to speak on at least three levels. I need to get in some regular HAB experience before shrinking things.
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[16:24] Nick change: mikestir -> mikestir_M0MKS
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[16:24] <mikestir_M0MKS> back
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[16:25] <mikestir_M0MKS> no one far away seeing WG2 yet? I'm interested to see how it performs on weak sigs
[16:26] <craag> mikestir_M0MKS: 434.450 olivia?
[16:26] <mikestir_M0MKS> yes
[16:26] <mikestir_M0MKS> olivia 8/1000
[16:26] <mikestir_M0MKS> 30 second intervals so about 13 seconds on, 17 second pips
[16:27] <craag> k, watching websdr waterfall, no sign yet
[16:29] <bertrik> looking forward to receiving it, once it gets in range
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[16:29] <G8APZ> M0MKS will be listening as it gets higher and therefore greater range. Doing a complete lap of Birkenhead by the look of it!
[16:29] <mikestir_M0MKS> seems to be. looks like it might come back down my way
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[16:30] <mikestir_M0MKS> heh. Like the way it did a little jump over the motorway
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[16:31] <JeremailMobile> We launched!
[16:31] <mattbrejza> shame you didnt get the habitat interface working last night
[16:32] <JeremailMobile> No..
[16:32] <JeremailMobile> I know
[16:32] <mattbrejza> as in just launched and its heading up as we speak?
[16:32] <G8APZ> mikestir yes, strange that!
[16:32] <JeremailMobile> We lost contact around 40 minutes ago.
[16:33] <JeremailMobile> Last known altitude was 10km
[16:33] <mattbrejza> not bad though, you should pick it up again on the way down?
[16:33] <JeremailMobile> Can't we have no driver..
[16:34] <craag> so you're not following it?
[16:34] <JeremailMobile> Also we might have not lost contact.. The system may have just crashed.
[16:34] <mattbrejza> oh :/
[16:34] <JeremailMobile> No
[16:34] <JeremailMobile> Not following
[16:34] <craag> Well cool that it worked to 10km
[16:34] <craag> get any good photos?
[16:35] <G8APZ> JeremailMobile Where is this flight geographically and on the dial?
[16:35] <craag> (next time, get in touch with southampton university spaceflight and we'll help you out :) )
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[16:35] <mattbrejza> G8APZ: bodmin, 434, but 20kb/s
[16:35] <JeremailMobile> It crashed 2 minutes before launch.
[16:35] <mattbrejza> (move nearer first ;) )
[16:36] <G8APZ> mattbrejza ok - bad direction from here
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[16:36] <G8APZ> JeremailMobil - a good reason to pause or abandon launch!
[16:36] <JeremailMobile> A plane saw it..
[16:37] <JeremailMobile> G8, I fixed it.
[16:37] <G8APZ> OK
[16:37] <JeremailMobile> Dunno if out of reach or crash or both xD
[16:38] <JeremailMobile> Well, we can't see it anymore XD
[16:39] <LeoBodnar> WG2 speed 155km/h, I am not sure... More like 20
[16:39] <G8APZ> WG2 must be a homing HAB
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[16:41] <mikestir_M0MKS> LeoBodnar: no - i was suspicious of the speed yesterday, but it's not like it matters so I just left it
[16:41] <mikestir_M0MKS> I'll look into that for next time
[16:41] <mikestir_M0MKS> that seems to be the value that's coming out of the gps though
[16:41] <JeremailMobile> 52 minutes :s
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[16:43] <JeremailMobile> Is it a mile/km thing?
[16:44] <mikestir_M0MKS> it's more likely a max6 v max7 thing
[16:44] <mikestir_M0MKS> most of my UBX code was unchanged from my max6 avr tracker
[16:46] <craag> JeremailMobile: What frequency was your radio link?
[16:47] <JeremailMobile> 443D1 what ever that means
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[16:47] <mikestir_M0MKS> that was probably what required me to change WG2's frequency 5 minutes before walking out the door
[16:47] <JeremailMobile> Where are you?
[16:48] <mikestir_M0MKS> near chester, so probably not
[16:48] <mikestir_M0MKS> and actually it sounded like the same QRM I heard the other night
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[16:49] <aadamson> mikestir_M0MKS, good job... I just got back home, I'll listen on the websdr when it gets closer to london
[16:49] <JeremailMobile> Hm
[16:51] <SpeedEvil> http://euclidthegame.org/ may amuse
[16:53] <db_g6gzh> mikestir_M0MKS: getting partials here but no green yet $$WG2,261,165214,53.3419,-2.9738,4586,240.4,7,1462,'992,1,34608200*DE54
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[16:53] <db_g6gzh> ah, green 8-)
[16:54] <mikestir_M0MKS> nice
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[16:54] <G8KNN> impressive. Hardly visible on the waterfall here
[16:55] <mikestir_M0MKS> seems quite stable too
[16:55] <mikestir_M0MKS> no tcxo
[16:55] <db_g6gzh> it's hard to tell it's there but the pips are just showing on the waterfall
[16:55] <G8KNN> yes same here db_g6gzh
[16:55] <mikestir_M0MKS> output power is only 4mW
[16:56] <G8KNN> whats the payload weight mikestir_M0MKS ?
[16:56] <mikestir_M0MKS> 12g
[16:56] <db_g6gzh> not bad then, 0.1 degree elevation
[16:56] <mattbrejza> rxid?
[16:56] <mikestir_M0MKS> no rxid - I can't do the tone spacing
[16:57] <mattbrejza> ok
[16:58] <tweetBot> @mikestir_uk: WG2 balloon float attempt for Wirral Grammar Girls launched with custom 12g ARM based tracker. Track at http://t.co/3iX3CCOPoY #ukhas
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[17:01] <db_g6gzh> screengrab of dl-fldigi showing end of tx http://stuff.dbrooke.me.uk/wg2.png
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[17:01] <mattbrejza> any pics of the tracker?
[17:01] <mikestir_M0MKS> http://www.mike-stirling.com/files/DSC_2396.JPG
[17:02] <mattbrejza> ah nice
[17:02] <mikestir_M0MKS> no connectors on the launch one obviously
[17:03] <mattbrejza> talking of connectors samtec FTSH-105-01-F-D-K are very nice for SWD
[17:03] <mattbrejza> they are a shrouded version of what you have there
[17:03] <mattbrejza> very nice though :)
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[17:05] <aadamson> mikestir_M0MKS, just wondering if you speed is off by factor of 10 or 100? it's been pretty consistent, just *too big*
[17:05] <mikestir_M0MKS> yes it could be. haven't investigated yet
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[17:12] <mikestir_M0MKS> signal is S5. not often you see that from a hab :)
[17:13] Action: bertrik is warming up the tracker
[17:14] <G8APZ> mikestir_M0MKS it should be loud when it's overhead!!
[17:14] <ProSpectre> gettin some broken code of your floater. middle of germany
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[17:18] <mikestir_M0MKS> I'm a bit concerned about the battery voltage, but I guess it's just due to the low temperature
[17:19] <aadamson> I noticed the same on arko's flight, you could have used the battery voltage as a thermometer it tracked the temp almost exactly
[17:19] <Jeremail> is B-60 still alive?
[17:19] <Jeremail> aadamson : yeah. that's what we are doing xD
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[17:26] <Jeremail> superkuh, wat a name :3 (no offence)
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[17:30] <fsphil> Jeremail: any updates?
[17:31] <Jeremail> 5 minutes till predicted landing :S
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[17:31] <fsphil> oh a launch in liverpool! I might receive this...
[17:31] <arko> winds are against you :P
[17:31] <fsphil> did you get any data from it on the way up Jeremail?
[17:32] <fsphil> arko: it's that anti-pico force shield again
[17:32] <arko> haha
[17:33] <fsphil> 434.400?
[17:33] <mattbrejza> .450
[17:33] <mattbrejza> iirc
[17:33] <Jeremail> : fsphil yes. a few pictures. However the last message we received (at 16:49:00) didn't include pictures. Also, last time the temperature was at 54.072 °C
[17:34] <Jeremail> should've landed by now..
[17:34] <Jeremail> yay
[17:34] <mikestir_M0MKS> getting a bit driftier now. set olivia tune margin to 16 and should be ok
[17:35] <G8APZ> fsphil Wirral ...the other side of the Mersey :-)
[17:36] <fsphil> pi model B? :) probably caught fire ;)
[17:37] <fsphil> it should be on the edge of my range
[17:37] <fsphil> don't see anything that looks like olivia
[17:38] <fsphil> 434.450 + what offset?
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[17:39] <G8APZ> Nil here yet, although my horizon to north isn't good
[17:39] <nigelp_> 434.448 +1.5KHz
[17:40] <fsphil> trying that now
[17:40] <fsphil> it could just be too weak to see on the wf
[17:40] <fsphil> does it do it continously or are there gaps?
[17:40] <nigelp_> 2sec pips
[17:41] <nigelp_> then every 30sec
[17:41] <mikestir_M0MKS> the pips should be more obvious against the noise
[17:42] <mikestir_M0MKS> seems it can be miles off frequency and it still decodes ok
[17:43] <fsphil> nothing obvious
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[17:44] <fsphil> probably something in the way
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[17:45] <G8APZ> mikestir_M0MKS are the pupils watching any tracker screens?
[17:45] <mikestir_M0MKS> should be
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[17:45] <mikestir_M0MKS> it was up on the electronic whiteboard before I left
[17:45] <mikestir_M0MKS> and they all went home with the url on a postit
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[17:46] <SP3OSJ> #habhub
[17:46] <G4MYS_Andy> good evening all I see we have a flight any chance of a dial frequency please!
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[17:47] <nigelp_> 434.4476 + 1.5KHz
[17:47] <G8APZ> mikestir_M0MKS great stuff.... I used to work in Lower Beb when I was a lot younger!
[17:47] <Jeremail> http://puu.sh/9JHPf/cd9058853b.jpg
[17:47] <fsphil> I may be seeing the pip
[17:47] <mikestir_M0MKS> G8APZ: are you nearby now?
[17:47] <G4MYS_Andy> thank you negelp
[17:47] <mikestir_M0MKS> fsphil: if you can see the pip I'd expect you to at least get a partial
[17:48] <fsphil> lemme know when it's doing data
[17:48] <fsphil> olivia-8-1000 yea?
[17:48] <mikestir_M0MKS> yes
[17:48] <mikestir_M0MKS> pip is in the middle of the band
[17:48] <mikestir_M0MKS> data now
[17:48] <G8APZ> mikestir_M0MKS no - I'm in Essex but was up in B'head Wed-Sun visiting relatives and friends
[17:48] <nigelp_> now
[17:48] <mikestir_M0MKS> decode comes out several seconds after the tx
[17:48] <mikestir_M0MKS> data end
[17:48] <Jeremail> http://puu.sh/9JHXj/deac1922a9.jpg
[17:49] <fsphil> Jeremail: not bad
[17:49] Nick change: iamdanw -> whoisdanw
[17:49] Nick change: whoisdanw -> iamdanw
[17:50] <Jeremail> this one is better http://puu.sh/9JI7K/366002377b.jpg
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[17:57] <fsphil> WG2 is dropping below my horizon agai
[17:57] <fsphil> again
[17:57] <fsphil> must have been too low for even a partial
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[18:00] <mikestir_M0MKS> the speed is indeed out by a factor of 10. I switched to using the NAV_PVT message instead of NAV_VELNED that was on max6. PVT gives the result in mm/s instead of cm/s
[18:00] <mikestir_M0MKS> I'll fix that for the next time
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[18:02] <Lunar_Lander> hello
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[18:02] <ProSpectre> hi
[18:04] <PE2G> Hi Lunar
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[18:05] <arko> pjm_: did you see a carrier shift on ISEE3?
[18:05] <fsphil> oooh
[18:05] <fsphil> saw that tweet
[18:06] <arko> im really hoping its true
[18:08] <LeoBodnar> started pressure tests on a cylinder 6l/m
[18:08] <arko> oh sweet
[18:08] <LeoBodnar> duh wrong chn
[18:08] <fsphil> there are other channels?
[18:08] <fsphil> now they tell me
[18:08] <aadamson> ^^ lol
[18:09] <arko> all the cool channels are on efnet
[18:09] <fsphil> #habhub
[18:09] <arko> no mans land
[18:09] <fsphil> another ef'ing split -net
[18:09] <arko> yep
[18:10] <arko> kick/ban wars
[18:10] <arko> its loads of fun
[18:11] <mikestir_M0MKS> is it possible to hotfix the speed in habitat to divide it by 10?
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[18:14] <Lunar_Lander> ISEE3 working OK?
[18:14] <fsphil> they seem to have made it do something
[18:15] <craag> mikestir_M0MKS: Yes it is, try asking #habhub and promise beer (they'll have to modify your flight-linked payload doc)
[18:16] <Lunar_Lander> how is everyone?
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[18:17] <fsphil> 512 bps. even a 36 year old spacecraft has faster comms than us :)
[18:18] <Lunar_Lander> :D
[18:18] <daveake> hah
[18:19] <LeoBodnar> we have slower bps than 36 year old tin can
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[18:19] <PE2G> Lunar_Lander: Fine, thanks. There's a balloon aproaching, which is always reason to be cheerful.
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[18:21] <LeoBodnar> Olivia needs its char set decimating
[18:21] <Lunar_Lander> yay :)
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[18:27] <LeoBodnar> very strange frequency drift on WG2, is this some sort of controlled change?
[18:28] <G6SUQ_Graham> what freq is it on now, can't find it
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[18:28] <nigelp_> 434.447 +1.5KHz
[18:29] <mikestir_M0MKS> LeoBodnar: no control. It seems to drift a bit during the tx as you might expect, but I'm sure I've noticed it step a couple of times
[18:30] <G6SUQ_Graham> okay, thanks for freq, just got a bit of decode
[18:30] <LeoBodnar> you'd expect the drift pattern to repeat with each transmission cycle
[18:30] <LeoBodnar> but it seems to be unrelated
[18:30] <LeoBodnar> if it's internal heating
[18:31] <mikestir_M0MKS> could be some interaction between +ve and -ve tempcos
[18:32] <mikestir_M0MKS> I was intending to try gps locking it, but I haven't had time to implement that yet
[18:33] <tweetBot> @AMSAT_UK: Walsall pupils 434.40MHz USB Balloon launch 10am Sat 434.400MHz USB. Watch at http://t.co/DUwSaqMhvj #hamradio #hamr #ukhas #STEMUK @STEMNET
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[18:33] <G6SUQ_Graham> Leo, is X1 yours?
[18:33] <LeoBodnar> yeah it was
[18:34] <G6SUQ_Graham> okay, just wondering when the next one might, or are you going to break your habits and pre-annouce it? 8-)
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[18:38] <DL7AD> mikestir_M0MKS: how long is the battery supposed to stay alive?
[18:38] <mikestir_M0MKS> hopefully until about friday lunchtime
[18:39] <DL7AD> thx
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[18:40] <mikestir_M0MKS> maybe friday morning actually, to allow for the gps going into tracking mode occasionally
[18:40] <mikestir_M0MKS> I haven't noticed it in any mode other than the lowest power one though
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[18:43] <iain_g4sgx> its doing well on 4mW, decoded in Norfolk as soon as it was in the blue.
[18:44] <LeoBodnar> Graham I have no idea when i am going to launch, definitely not within next 4-5 hours
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[18:46] <iain_g4sgx> Live talk on BATC by the ARRL secretary visiting Norwich about to start if anyones interested..'Amateur radio across the pond'. http://www.batc.tv/ch_live.php?ch=3 (Select NARC)
[18:46] <G6SUQ_Graham> okay Leo, I shan't be watching and waiting for a 'B-xx' then!, I will stay with WG2
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[19:05] <PE2G> If my maths is correct, WG2 will be within range of the The Hague area at around 23 hr local and at around 1:30 local time here in the east of NL. Hmm.
[19:05] <ProSpectre> u mean right over you position?
[19:05] <ProSpectre> your
[19:06] <Maxell> PE2G: within range?!
[19:06] <Maxell> PE2G: that is no fun!
[19:06] <G6SUQ_Graham> on WG2 according to the speed it's doing577 km/h ... faster than an airliner!
[19:06] <PE2G> Yes, I meant within radio range
[19:06] <Reb-SM3ULC> PE2G: would have been nice with hourly dots along the predicted ath
[19:06] <Maxell> PE2G: auw!
[19:07] <PE2G> It must be 55.7 km/h
[19:08] <ProSpectre> hmm a bit late for me here in the middle of germany
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[19:10] <majemoi> Please, what are frequency and transmission mode for WG2?
[19:10] <Maxell> majemoi: 434.450 mhz olivia 8/1000
[19:10] <mikestir_M0MKS> it's a little bit lower now
[19:11] <mikestir_M0MKS> .448 dial for me
[19:11] <majemoi> Maxell: thank you for informations.
[19:12] <mikestir_M0MKS> G6SUQ_Graham: PE2G: it is out by a factor of 10 - I found the relevant bug in the firmware!
[19:12] <mikestir_M0MKS> it should be correct if you scale it
[19:13] Nick change: LWK_ -> dpslwk
[19:13] <PE2G> mikestir_M0MKS: Thanks, I thought so.
[19:14] <Jeremail> gnarf :/ still havent heard anything yett
[19:14] <ProSpectre> what cursor frquency are you on for WG2?
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[19:16] <Jeremail> TT.TT
[19:16] <GadgetDroid> mikestir_M0MKS: you got one in the air I see :-)
[19:16] <PE2G> ProSpectre: You can make some time/distance calculations for yourself using: this http://www.radiosonde.eu/RS07/RS07L02.html
[19:17] <PE2G> Click on your location and choose "Marquer comme origine"
[19:17] <PE2G> Then, the mouse will show distance and bearing
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[19:22] <mikestir_M0MKS> GadgetDroid: yes
[19:28] <tweetBot> @mikestir_uk: Details and pics of the tracker on the in-progress WB2 balloon flight here http://t.co/MF51vnLev1 #ukhas
[19:28] <tweetBot> @mikestir_uk: Details and pics of the tracker on the in-progress WG2 balloon flight here http://t.co/MF51vnLev1 #ukhas
[19:29] <mikestir_M0MKS> got the callsign wrong :/
[19:31] <Jeremail> we picked up a signal!
[19:31] <Jeremail> but the gps broke
[19:33] <fsphil> aww
[19:33] <fsphil> do you have a yagi you can use to direction find it?
[19:34] <Jeremail> umm
[19:34] <Jeremail> we're going to the predicted landing spot
[19:34] <fsphil> good start
[19:34] <Jeremail> then hoping to either see it or to be able to find it by signal strength
[19:35] <Jeremail> There is an emergency system in place for when the battery gets below 2.7 v
[19:35] <Jeremail> that stops the pi and starts a lowpower "here I am"
[19:35] <Jeremail> but it's going to take days for that to kick in
[19:39] <Jeremail> the only thing currently working is the repeater
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[19:43] <ProSpectre> sup with WG2? is it goin down?
[19:43] <craag> ProSpectre: Is floating
[19:43] <ProSpectre> ok
[19:43] <mclane_> I am currently receiving WG2 through the Basingstoke websdr. It is drifting heavily up and down - is that a real effect or a problem of websdr?
[19:44] <craag> mclane_: It's a real effect
[19:44] <craag> btw the websdr has tcxos now
[19:44] <craag> (hence the frequency calibration is off, still set up for the stock crystals)
[19:44] <mclane_> ah ok. That should be quite stable then
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[19:49] <mfa298> hmmm, did wgs2 just teleport half way accross the country ?
[19:49] <Jeremail> xD
[19:49] <Jeremail> Completely
[19:49] <Jeremail> lol
[19:49] <Jeremail> such a straight line Oo
[19:49] <craag> dropped a minux sign by the looks of it
[19:49] <craag> *minus
[19:50] <Jeremail> that prediction
[19:50] <Jeremail> lol
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[19:51] <mfa298> the live predictions don't really work for floating baloons
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[19:53] <DL7AD> mfa298: www.dl7ad.de/tracker/?filter=WG2
[19:56] <craag> DL7AD: You're using leaflet, how is that map so laggy?
[19:57] <DL7AD> craag: due to all the markers
[19:57] <craag> which markers?
[19:57] <mikestir_M0MKS> oh dear zero padding bug
[19:57] <craag> DL7AD: http://habmap.philcrump.co.uk/
[19:57] <mikestir_M0MKS> that didn't show up in any of my test cases!
[19:57] <DL7AD> craag: know this :)
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[19:58] <DL7AD> but you dont connect the receivers to the marker at the trajectory
[19:58] <DL7AD> and i wanna know who received it
[19:59] <craag> ah fair enough
[19:59] <craag> that'll be the lag then :)
[19:59] <DL7AD> craag: yes sure but less than snus
[20:00] <craag> maybe marginally :P
[20:00] <craag> ok yep, it is less
[20:00] <DL7AD> and mine can display the hysplit trajectories
[20:00] <Lunar_Lander> hi DL7AD
[20:00] <PE2G> DL7AD: Nice!
[20:00] <Lunar_Lander> and hi mclane_
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[20:00] <DL7AD> hi Lunar_Lander
[20:01] <mclane_> hi Lunar_Lander
[20:01] <mclane_> alles klar?
[20:01] Action: craag looks at the code...
[20:01] <Lunar_Lander> ja, danke und selbst?
[20:01] <DL7AD> craag: but have to be triggered and uploaded manually: http://dl7ad.de/tracker/balloon2admin.php
[20:01] <mclane_> yes
[20:02] <craag> DL7AD: So I see, very cool!
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[20:02] <mclane_> wg2 will pass over my roof if the predictions are valid
[20:02] <DL7AD> just copy the google earth link out of hysplit and upload it
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[20:07] <tweetBot> @AKA2112: Walsall pupils 434.40MHz USB Balloon launch 10am Sat 434.400MHz USB. Watch at http://t.co/rV5i8qOVKr #hamradio #hamr #ukhas #STEMUK @STEMNET
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[20:18] <DutchMillbt> Hi all what is the WG2 frequency?
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[20:19] <MightyMik> 434.492
[20:20] <DutchMillbt> oke thankz MightyMik
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[20:22] <nigelp_> 434.445 +1.5KHz
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[20:24] <DutchMillbt> yep that's the freq nigelp thnx...weak signals comming in
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[20:24] <Maxell> DutchMillbt: it's quiet here at PI4GV
[20:25] <Maxell> PE2G: nothing yet @ The Hague
[20:25] <mikestir_M0MKS> suppose it's still below your horizon at its real position Maxell
[20:25] <Maxell> real position?!
[20:25] <Maxell> Whats going on?
[20:26] <mikestir_M0MKS> there's a bug in the string formatter
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[20:26] <Maxell> ah, zero padding bug
[20:26] <mikestir_M0MKS> it seems to have dropped the minus when it went through -1 degree
[20:26] <Maxell> lolol
[20:26] <mikestir_M0MKS> no zeros seem ok. it looks like it's a mirror image around the meridian line
[20:26] <mikestir_M0MKS> I assume it will sort itself out when it gets to the meridian
[20:26] <DutchMillbt> Hi Maxell weak sig @ 434.445.54
[20:27] <Maxell> DutchMillbt: nothing audiable @ VERON PI4GV
[20:27] <Maxell> ok mikestir_M0MKS
[20:27] <G8APZ> Heck, that IS weak!! the b-xx series is usually booming in at this range!.
[20:27] <mikestir_M0MKS> it's quite low power G8APZ
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[20:30] <DutchMillbt> mmm a greeny
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[20:32] <mikestir_M0MKS> I'm liking this mode. I have a weird windy noise right on top of it on this freq, but it still works fine
[20:33] <G6SUQ_Graham> it's a bit drifty
[20:33] <mikestir_M0MKS> it is now
[20:33] <mikestir_M0MKS> it's pretty cold though and no tcxo, just a 10ppm xtal
[20:33] <mikestir_M0MKS> the hardware should be able to support gps locking but I haven't done the software for that yet
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[20:36] <G6SUQ_Graham> who designed and made-up the board, or is it part of the SI44xx package?
[20:39] <mikestir_M0MKS> I did it
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[20:40] <mikestir_M0MKS> hand soldering QFNs isn't exactly fun, but it's not that hard
[20:41] <Maxell> DutchMillbt: what qrg right now?
[20:41] <nigelp_> 434.444 + 1.5KHz
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[20:42] <Maxell> DutchMillbt: hmm nothing here
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[20:44] <superkuh> Jeremail, none taken.
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[20:49] <G8APZ> mikestir_M0MKS OK yes, I realise 4mW into a zero gain antenna ! It's doing pretty well!! The minus sign problem has gone now it's over the Greenwich meridian!
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[20:53] <Babs____> HAB p0rn from a factory i visited today http://flic.kr/p/o4XsWs
[20:53] <Babs____> Medical grade styrene box
[20:53] <Babs____> Good for organ preservation for up to 48 hours
[20:54] <myself> Heh. You can get those scratch-and-dent from any med school
[20:59] <aadamson> ^ hopefully not *once used* .. lol
[21:00] <G8APZ> I left my heart......in San Francisco
[21:00] <gonzo_m> and found it in the gravy?
[21:00] <LeoBodnar> Every time you go away...
[21:01] <gonzo_m> ok not the same song.....
[21:02] <aadamson> mikestir_M0MKS, is trying a new tactic... Skywriting via GPS error on web map ... :)... must be drawing the scales on godzillas back or a fish fin, etc
[21:03] <aadamson> must have *tiny tiny thrusters* on that thing
[21:03] <Lunar_Lander> XD
[21:04] <db_g6gzh> mikestir_M0MKS: not exactly the same bug but you're not alone https://github.com/mikalhart/TinyGPSPlus/issues/3
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[21:32] <amell> ooh whats this, i appear to have an inflated object passing close by
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[21:37] <bertrik> finally got a green decode
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[21:37] <bertrik> can't actually see the olivia signal in the dl-fldigi but I can see the second pips
[21:37] <G8APZ> amell 434.4448
[21:38] <G8APZ> WG2 - Wirral Grammar School for Girls... launched Bebington Wirral this afternoon
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[21:41] <amell> hmm, not seeing anything in the wf
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[21:44] <amell> taking habamp off.
[21:44] Nick change: iamdanw -> whoisdanw
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[21:45] <LeoBodnar> you can leave your habamp on
[21:46] <amell> i have something&
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[21:47] <amell> olivia 8/1000?
[21:53] <SpeedEvil> https://www.youtube.com/watch?v=QrgTtZXuj4w
[21:53] <SpeedEvil> Vortex ring gun
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[21:55] <cm13g09> I'll just leave this here for people that haven't seen it: http://www.bbc.co.uk/news/technology-27992439
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[21:59] <amell> are the CW pulses supposed to drift around in freq?
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[21:59] <amell> surprised at how much WG2 is drifting around
[22:00] <amell> hearing and decoding WG2 loud and clear
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[22:02] <G6SUQ_Graham> G'night all ... hope WG2 floats overnight
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[22:06] <amell> this olivia seems to take a while to decode for some reason.
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[22:08] Nick change: heathkid|2 -> heathkid
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[22:10] <Jeremail> We didnt find it
[22:10] <amell> im actually failing to decode every now and again because of the frequency drift?
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[22:13] <amell> leobodnar: X1 = B61 ?
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[22:23] <mikestir_M0MKS> amell: go to configure->modems->olivia and set tune margin to 16
[22:23] <mikestir_M0MKS> that will improve tolerance to drift
[22:24] <mikestir_M0MKS> it's quite drifty because it doesn't use a TCXO. it's supposed to be gps locked but I haven't done the software yet, and I wanted to see how well it worked without it
[22:25] <amell> ok. works pretty well for me, a bit quiet compared to a B, but receiving fine.
[22:28] <mikestir_M0MKS> I assume it's quite a bit lower power than a B. There's no solar so I traded off for battery life.
[22:31] <Jeremail> however we rescued this:
[22:31] <Jeremail> http://puu.sh/9K6j0/149af3ac7c.jpg
[22:31] <Jeremail> http://puu.sh/9K6vb/4a8815b00a.jpg
[22:33] <craag> Jeremail: :)
[22:33] <craag> Planning another attempt at some point?
[22:33] <Jeremail> mhm
[22:33] <Jeremail> but not really
[22:33] <Jeremail> not really*
[22:34] <Jeremail> if someone is near here and willing to do a co-mission maybe
[22:34] <SpeedEvil> https://www.youtube.com/watch?v=ZoSKHzziLKw
[22:34] <craag> heh, you're a little out of the way ;)
[22:34] <SpeedEvil> Larry Lemke - Red Dragon: Low Cost Access to the Surface of Mars (SETI Talks)
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[22:35] <craag> Jeremail: This was a school launch?
[22:35] <Jeremail> yes
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[22:36] <craag> Ok, do get in touch with southampton uni spaceflight society. We have an outreach programme where we help out school launches with backup trackers and whatever help is needed.
[22:38] <Jeremail> I will redirect that to the teacher, I myself might not stay at school..
[22:38] <craag> Sure
[22:38] <craag> Well done on the programming and electronics on this flight!
[22:39] <craag> Sounds like quite a long process to get it all working and I'm imrpessed it worked to 10km up!
[22:40] <G8APZ> and well done on recovery given the probs
[22:40] <Jeremail> we didnt recover it
[22:41] <Jeremail> it is programmed to use all it's remaining power to transmit the same message over and over
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[22:47] <PE2G> I have greens from WG2 at 344 km -0.4 deg. This is comparable to Leo's flights
[22:47] <Jeremail> the pictures look like it went a lot higher than we expected??
[22:48] <mikestir_M0MKS> PE2G: olivia is supposed to be slightly more robust than contestia, but my output power is lower I think
[22:48] <amell> Jeremail: how did you receive the pictures?
[22:49] <Jeremail> we have a semi precise location
[22:49] <Jeremail> we drove there and i recorded a few broadcast cycles while trying to locate it
[22:49] <Jeremail> but it got dark so we didnt find it
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[22:50] <PE2G> mikestir_M0MKS: there's some QRM here but decoding seems not affected, even below the horizon. Nice.
[22:51] <G8APZ> PE2G 4mW TX ... excellent!!
[22:51] <amell> jeremail: dont give up. Bolton School found their payload using simple 18 ele yagi and triangulation.
[22:51] <Jeremail> we've got 2 days max though :/
[22:52] <amell> jeremail: where is this payload landed?
[22:52] <PE2G> G8APZ: Yeah, given the low power, this performmance is excellent
[22:52] <Jeremail> somewhere around launceston, we can pinpoint it to +- a mile
[22:52] <Maxell> horaay $$WG2,1000,225202,52.0358,1.6989,6679,1094.4,6,1380,1986,-25,34608200*55CA
[22:52] <G8APZ> Jeremail return as amell says ... OS map... a directional yagi and plot headings on map from at least 3 places
[22:52] <Jeremail> so we went to where the signal seemed the strongest
[22:53] <amell> jeremail: you must triangulate to converge on the location
[22:53] <G8APZ> Jeremail the thing needs to be sending lat/long of landing place!
[22:53] <amell> jeremail: bolton school payload gps also failed. They found it in the middle of a RAF base using triangulation.
[22:53] <Jeremail> G8APZ : the mainj processing is hanging, so all we have is the thing that constantly sends the last picture
[22:54] <G8APZ> Oh heck!!
[22:54] <amell> jeremail: you can hear it on radio?
[22:54] <Jeremail> there is hope
[22:54] <Jeremail> the emerg system might kick in soon
[22:55] <G8APZ> yes hope for sure ... 10mW doesn't go far, so do triangulation.... yagi, compass OS map
[22:55] <amell> how is the last picture sent? is it radio or GSM or what?
[22:55] <Jeremail> still radio
[22:55] <amell> so triangulate.
[22:55] <Jeremail> trying to do that tomorrow
[22:55] <Jeremail> given that batteries last
[22:56] <G8APZ> Does it have any id or phone nbr to call?
[22:56] <mikestir_M0MKS> seems WG2 might be coming down
[22:56] <amell> jeremail: you dont need to wait until daylight to triangulate.
[22:57] <G8APZ> a little leak or change in bouyancy with cooler night temps?
[22:57] <Jeremail> YEa
[22:57] <Jeremail> but we had to head back :/
[22:57] <mikestir_M0MKS> was hoping it would have stabilised by now if it was just the lower temps
[22:58] <amell> very low float
[22:58] <amell> is it foil?
[22:58] <mikestir_M0MKS> yes
[22:58] <G8APZ> Jeremail with a yagi, and no compass, mark direction on map based on things you can see and identify such as churches
[22:58] <mikestir_M0MKS> the initial float was quite high I think
[22:58] <mikestir_M0MKS> but it doesn't seem to have stopped descending after the initial sunset drop
[22:59] <Jeremail> I made a map of signal strength and coords
[22:59] <PE2G> http://s7.postimg.org/ehx2xn4sb/Screen_26_06_14_00_58_24.png
[22:59] <amell> unfortunately not particularly useful, as signal gets absorbed by all sorts of things, trees, fences etc.
[22:59] <G8APZ> mikestir_M0MKS perhaps a small leak then... with luck it may reach terra firma
[23:00] <mikestir_M0MKS> it may be ok when the sun comes up too, but it's probably got to survive about 3 hours for that
[23:00] <G8APZ> PE2G are you using a yagi?
[23:01] <PE2G> G8APZ: Yes, 7 elements
[23:01] <G8APZ> mikestir_M0MKS the students will be impressed when they realise on waking that it reached the continent... and trackers were up late watching it!
[23:02] <G8APZ> PE2G OK ... over the horizon then... only a vertical X-50 colinear here
[23:02] <mikestir_M0MKS> yes I'll personally be quite happy if it makes the continent. I don't think it's bad for a first attempt and it has found a couple of minor bugs in the tracker, which has otherwise worked very well
[23:03] <PE2G> G8APZ: The yagi is 38 m above ground level, which is about 50 m above sea level
[23:03] <mikestir_M0MKS> and I have 2 more balloons here and enough parts for another 3 trackers :)
[23:04] <G8APZ> PE2G I'll put a 21 ele vertical on my 17m mast 100m asl in the autumn
[23:04] <mikestir_M0MKS> right I must go to bed. big thanks to anyone staying up for a while to track
[23:04] <G8APZ> mikestir_M0MKS nice looking tracker too... well done
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[23:06] <Maxell> Is there anyone going to stay awake for this balloon?
[23:06] <PE2G> G8APZ: Nice. Antenna height is important
[23:06] <G8APZ> Maxell your decision!
[23:06] <Maxell> I have remote access I might share with you :P
[23:07] <G8APZ> PE2G and in PA land, low horizon is handy!
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[23:07] <G8APZ> I'll be up until it is out of range
[23:07] <Maxell> G8APZ: it won't be out of range for long for RevSpace :P
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[23:08] <PE2G> Maxell: I'll try to stay awake, but can't give any guarantees...
[23:08] <Lunar_Lander> good night!
[23:09] <PE2G> Lunar_Lander: Gute Nacht!
[23:10] <Lunar_Lander> gute nacht :)
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[23:21] <G8APZ> Looks as if I'm losing it... sigs getting weaker and only partials at times
[23:22] <amell> i seem to have lost it
[23:22] <Maxell> RevSpace \o/
[23:23] <amell> not sure it will make it to land at this rate.
[23:23] <Maxell> PE2G is also able to keep up with the drift @ RevSpace
[23:23] <Maxell> Falling very fast now.
[23:24] <G8APZ> The prediction isn't looking too good
[23:24] <G8APZ> oh..it's climbing again!
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[23:26] <amell> thats a bit strange. Ice?
[23:30] <G8APZ> minor temp diffs I expect ... the trend is down!
[23:30] <PE2G> amell: Looking at the sat pic, there's no cloud in that area
[23:33] <PE2G> amell: sorry, was looking at wrong pic, there may well be cloud, not sure about the alt though
[23:35] <amell> definately gone.
[23:35] <amell> feeling sad at lack of balloons. we need another B
[23:36] <G8APZ> amell everything comes to he who waits
[23:36] <G8APZ> it is only 10cm a sec descent so not a burst... more likely a leak
[23:36] <amell> Using gqrx at the moment, is there anything better for the mac?
[23:38] <Darkside> nope
[23:38] <Darkside> unless you run sdr-console in a VM
[23:38] <amell> whats that?
[23:38] <Darkside> as in, run a windows virtual machin
[23:39] <Darkside> and run the nice windows SDR software
[23:39] <Darkside> but theres nothing rally decent for native OSX sadly
[23:40] <Darkside> http://v2.sdr-radio.com/
[23:40] <amell> thanks, will try that
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[23:47] <amell> should be able to pipe sdr in windows to dl-fldigi in mac
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[23:54] <G8APZ> the prediction suggests WG2 will at least get into Dutch territorial waters!
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[23:54] <G8APZ> perhaps even landfall near Flushing
[23:54] <G8APZ> Vlissinghen
[00:00] --- Thu Jun 26 2014