highaltitude.log.20150317

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[05:25] <Oddstr13> where do I go to report users on this network? I had someone randomly try to DCC send me a file named STARTKEYLOGER >.<
[05:38] <lz1dev> probably a good idea to disable DCC
[05:38] <lz1dev> its 2015
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[06:11] <Oddstr13> lz1dev: it's not like it autodownloads anyway
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[06:20] <lz1dev> its been like at least 14
[06:20] <lz1dev> since i've last used ddc
[06:20] <lz1dev> dcc*
[06:21] <lz1dev> 14 years that is
[06:21] <lz1dev> there are better ways to share files these days
[06:22] <Upu> don't think DCC worked since err firewalls
[06:24] <lz1dev> oh yeah
[06:25] <lz1dev> i still remember early ISP filtering most ports
[06:25] <Vaizki> many firewalls are based on linux ipchains/iptables which have IRC helpers
[06:26] <Vaizki> so they will see DCC setups and do the port forwards automatically
[06:28] <Miek> Oddstr13: they likely weren't trying to actually send you a file. some routers have a feature that will kill an irc connection when they see that keyword because it was a common botnet control command. people then latched on to this and used it to troll. not sure if this is better or worse though :p
[06:30] <Oddstr13> ...k
[06:30] <Oddstr13> too bad for him that I have a proper setup then
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[07:49] Nick change: fl_0|afk -> fl_0
[07:50] <nickjohnson> Well, that was a fun first night. 36% already :)
[07:54] <Vaizki> well you got my money too..
[07:55] <Vaizki> for some reason logging in to kickstarter wasn't working for me last night but works now
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[08:41] <Laurenceb_> lol its cloudy
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[08:43] <SpacenearUS> New vehicle on the map: 03M0RPI_chase - 12http://tracker.habhub.org/#!qm=All&q=M0RPI_chase
[08:44] <Laurenceb_> ooh, eclipse shots from above the murk?
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[08:53] <daveake> That's the plan for Friday
[08:54] <daveake> Hopefully the coutnry will be covered in cloud
[08:54] <daveake> So it'll just be me and Liz Bonnin with pictures :p
[08:54] <daveake> (she's off to the Faroes in a plane)
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[08:57] <infaddict> oi daveake i've spent £5 on family eclipse glasses so lay off the cloud prayers ;-)
[09:01] <daveake> I spent that plus £20 on solar film for the cameras, so oi yourself :)
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[09:03] <infaddict> haha!
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[09:17] <jcoxon> hey guys, I'm putting a load of old parts etc on ebay if anyone wants to snap up so stuff
[09:17] <Upu> anything interesting ?
[09:17] <jcoxon> why yes!
[09:17] <jcoxon> http://www.ebay.co.uk/itm/121598306035?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
[09:18] <jcoxon> http://www.ebay.co.uk/itm/121597711880?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
[09:18] <jcoxon> and http://www.ebay.co.uk/itm/121598298810?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
[09:18] <jcoxon> the serial jpeg cameras are hard to find
[09:18] <jcoxon> i used that one for my first sstv flight
[09:18] <Upu> yup
[09:26] <jcoxon> Upu, i've just found a 375g totex balloon
[09:26] <jcoxon> its the back up for Pegasus 1
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[09:29] <edmoore> wow
[09:29] <edmoore> 10yrs old?
[09:31] <jcoxon> well yeah but i think its older then that
[09:32] <Upu> is it brown ? :)
[09:33] <edmoore> everything was brown then
[09:33] <edmoore> do you remember those ebay ones with the random skirts?
[09:34] <tweetBot> @jamescoxon: 350g totex balloon, bought in 2005 as the backup for Pegasus 1! #ukhas http://t.co/PzwDloKDEV
[09:34] <infaddict> Ooh GSM board, been looking for one ;-)
[09:34] <jcoxon> infaddict, just to warn it needs a header to really access the pins (unless you have super soldering skills
[09:35] <jcoxon> edmoore, its very brown
[09:35] <infaddict> ok thx jcoxon
[09:35] <edmoore> this sale of stuff: did you jump or were you pushed?
[09:36] <jcoxon> its actually me jumping
[09:36] <jcoxon> i know!
[09:36] <jcoxon> currently stripping down an old terrible android tablet
[09:37] <edmoore> impressed
[09:37] <jcoxon> i've got so much other rubbish still
[09:38] <jcoxon> don't worry
[09:39] <jcoxon> will keep people posted about rubbish i find
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[09:42] <henryplumb> speaking of gsm, are those cheapy eBay gsm/gps trackers any good as a backup for my first hab?
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[09:43] <edmoore> throw one in if you want, just don't rely on it
[09:43] Nick change: Hix2 -> Hix
[09:43] <jcoxon> henryplumb, they are pretty bad to tell thetruth
[09:43] <edmoore> have it as a totally separate, non-critical backup
[09:43] <edmoore> when things are lying right on the ground there is really loads of attenuation
[09:44] <edmoore> so they often don't get signal
[09:44] <henryplumb> okay, i'll probably throw one in and hope i don't have to use it
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[09:45] <jcoxon> check it works before, sometimes they are a bit rubbish even out of the box
[09:46] <Hix> Morning folks. Is Babs still planning to do his Eclipse-stabilotron-flight? Not been around here for a while.
[09:47] <henryplumb> jcoxon - right, i will do. hopefully my flight should be in early may - i've got most things sorted now
[09:49] <edmoore> Hix, yes
[09:49] <edmoore> but in america in 2017 iirc
[09:50] <edmoore> as that has a nice totally path over accessible places
[09:50] <Hix> Ahh
[09:50] <Hix> and not British weather to contend with
[09:52] Nick change: UpuW -> UpuWork
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[10:05] <SpacenearUS> New vehicle on the map: 03METRONOT2 - 12http://tracker.habhub.org/#!qm=All&q=METRONOT2
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[10:23] <SpacenearUS> New vehicle on the map: 03METRONOT1 - 12http://tracker.habhub.org/#!qm=All&q=METRONOT1
[10:25] <infaddict> Not1 but 2!
[10:27] <Vaizki> ok I just ran into a pancake printer on kickstarter. time to stop browsing.
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[11:20] <tweetBot> @G7IGB: 434 MHz balloon launch at BBC Stargazing event: Radio amateur David Akerman M0RPI... http://t.co/kzbzBEKtE6 #hamradio #ukhas
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[11:33] <fxmulder_> that pancake printer has a crap ton of support...
[11:35] <SpeedEvil> Can it print structural pancakes?
[11:37] <fsphil> it'll probably be a bit of a flop
[11:38] <SpacenearUS> New vehicle on the map: 03EA2EIH-11 - 12http://tracker.habhub.org/#!qm=All&q=EA2EIH-11
[11:39] <henryplumb> do most of you email or post CAA permission forms?
[11:39] <SpeedEvil> I let mine go on a balloon, with the wind in the right direction.
[11:40] <henryplumb> :) lol
[11:41] <fsphil> email
[11:41] <fsphil> I don't think anyone's posted one in a long time
[11:42] <henryplumb> so can i just take a screenshot of where my launch site is on a map
[11:42] <fsphil> the scale needs to be correct
[11:43] <fsphil> and the launch site indicated
[11:43] <henryplumb> does the map have to be OS
[11:43] <fsphil> (this is what I was told when I asked about that
[11:43] <fsphil> )
[11:43] <fsphil> better if it is
[11:43] <henryplumb> so it needs to be 1:50,000 map?
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[11:45] <fsphil> that's what I was told when I last asked yea
[11:45] <henryplumb> so because i use an online map i won't have a OS map number and whatever, can i just do correct scale OS map accompanied by lat/long?
[11:46] <fsphil> you'll still need an OS grid ref on your form
[11:47] <henryplumb> righty
[11:47] <fsphil> I just didn't include a map number
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[11:48] <henryplumb> So for grid ref just like TL 773 411
[11:49] <henryplumb> For my launch site at 52.040662, 0.584915
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[11:57] <henryplumb> fsphil - if that grid reference is fine do you know what sort of date range I can put on there. don't want to set it for one day and the not be able to launch due to weather or whatever
[11:59] <fsphil> I have previously asked for a number of weekends. though I believe it's changed a bit since then
[12:00] <henryplumb> ah right, i'll just put a range of like three days and hope for the best
[12:00] <henryplumb> for the nearest aerodrome bit, what if i don't know :L
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[12:02] <Merlin83b> Tell me where, I'll find you an aerodrome :)
[12:02] <Merlin83b> Coming at it from a pilot's perspective!
[12:03] <henryplumb> Merlin83b - postcode is CO9 4JZ, grid ref. TL 774 412
[12:03] <henryplumb> thanks
[12:04] <henryplumb> ridgewell airfield is about a mile and a half away but they only use that for gliders in the summer
[12:04] <Geoff-G8DHE-M> http://en.wikipedia.org/wiki/List_of_airports_in_the_United_Kingdom_and_the_British_Crown_Dependencies
[12:04] <henryplumb> closest proper airport is stanstead i think
[12:05] <henryplumb> http://en.wikipedia.org/wiki/Earls_Colne_Airfield
[12:05] <Merlin83b> Andrewsfield is closer.
[12:05] <number10> where abouts are you henryplumb
[12:06] <henryplumb> Postcode: CO9 4JZ coords: 52.040662, 0.584915
[12:06] <henryplumb> ^ number10
[12:06] <Merlin83b> No tha's a lie. Earls Colne wins.
[12:07] <henryplumb> Earls Colne is only a few miles from me
[12:07] <number10> not far from me- I think you'll be on the edge of the stanstead controlled air space
[12:07] <Merlin83b> Pretty close between that and andrewsfield.
[12:07] <henryplumb> number10 - where about's you based?
[12:07] <number10> ridgewell
[12:07] <Merlin83b> Just outside, number10.
[12:07] <henryplumb> oh right :L
[12:07] <henryplumb> I used to live in Ridgewell
[12:07] <henryplumb> I go through everyday
[12:08] <PE2G> henryplumb: http://skyvector.com/?ll=%2052.040662,0.584915&chart=301&zoom=3
[12:08] <henryplumb> PE2G so according to that, i'm not in any controlled airspace or anything, right?
[12:08] <number10> i have never asked for permission as I thought it too close - so I have launched from cambridge
[12:09] <Merlin83b> The LTMA (london airspace) starts at 3500 ft above that point.
[12:09] <theRealSIbot> In real units: 3500 ft = 1067 m
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[12:12] <henryplumb> so taking that lot into account, yay/nay ?
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[12:18] <fsphil> no harm in asking
[12:18] <fsphil> they might say no, or put restrictions on the notam
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[12:20] <henryplumb> fsphil - like you say, the worst they can do is say no lol - cheers for your help guys
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[12:20] <SpacenearUS> New vehicle on the map: 03Monster_chase - 12http://tracker.habhub.org/#!qm=All&q=Monster_chase
[12:21] <infaddict> wonder when daveake is launching
[12:24] <Geoff-G8DHE> We are into ISH
[12:24] <Chetic> is anyone planning to take pictures of the eclipse on friday?
[12:24] <Geoff-G8DHE> Lots are
[12:24] <Chetic> awesome
[12:25] <Chetic> is there going to be a collection somewhere?
[12:25] <Geoff-G8DHE> -0.82
[12:25] <Geoff-G8DHE> rather https://groups.google.com/d/msg/ukhas/pmkLf4gnFRI/Os9zWG2FZm4J
[12:25] <Geoff-G8DHE> all the SSDV will be at http://ssdv.habhub.org/
[12:26] <Chetic> ohh man :D
[12:26] Action: Chetic bookmarks
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[12:28] <Geoff-G8DHE> Hopefully the MetroNOT team are chomping thru the Bacon Butties!
[12:30] <mattbrejza> its about to go
[12:31] <mattbrejza> is there lora on this flight?
[12:31] <Geoff-G8DHE> No just RTTY
[12:31] <mattbrejza> k
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[12:33] <infaddict> theyve been TX'ing for hours. butty #5 probably in progress.
[12:34] <henryplumb> haha
[12:34] <mattbrejza> its moved to the field though
[12:34] <infaddict> NOT1 is further away from buildings and getting more sats
[12:35] <henryplumb> yup, it's going down the path :L
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[12:50] <infaddict> anybody heard when AirSpy is shipping again? Says mid march but still no stock.
[12:51] <Vaizki> you can ask in #airspy, welcome :)
[12:51] <Vaizki> I thought you have a dongle and habamp?
[12:52] <craag> ls
[12:52] <Vaizki> dir
[12:53] <Vaizki> (sorry)
[12:53] <craag> ;)
[12:53] <infaddict> i do, just was on the airspy website and saw still out of stock. i have decided a dongle alone is poor for longer range stuff. no luck picking anything up, even when well within the blue circle.
[12:53] <infaddict> adding habamp into the mix soon to see what difference it makes
[12:53] <Geoff-G8DHE> prog is about the designer talkin to him at the mo about a new version
[12:53] <Vaizki> yea he's going to do a 'lite' version at 99 usd
[12:54] <Vaizki> without all the fancy pants stuff in the airspy that most users will not need
[12:54] <infaddict> mmm
[12:54] <infaddict> so wonder how that would then compare to FCB pro+
[12:55] <infaddict> i a hoping the habamp solves my worries but looking at options nevertheless.
[12:56] <infaddict> also the dongles are way off in terms of frequency
[12:56] <Geoff-G8DHE> Hope the haven't burst the MATRONOT1 balloon, taking a long time to release ?
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[12:56] <infaddict> yep been waiting a while Geoff-G8DHE
[12:56] <Vaizki> well it will be the same R820T2 tuner and LPC4370 cortex-m4f mcu with 12bit 20Msps ADC that the current airspy uses
[12:58] <Vaizki> but prog was looking to somehow run it at 6 or 8Msps over the USB, can't remember exactly. a lot of motherboards / usb chips have trouble with the full 10Msps rate of the airspy.
[13:14] <daveake> up
[13:16] <prog> it's a cheaper version of the full fledged airspy. 12bit oversampled at 20msps gives more ENOBs than the funcube dongle, which explains the results of the benchmarks made by Leif SM5BSZ
[13:16] <Vaizki> aha you lurk here also :)
[13:16] <UpuWork> may want to upload something daveake :)
[13:17] <prog> the "lite" version is still in development and should give 6msps oversampling (less ENOBs at narrow band)
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[13:17] <Vaizki> but it uses the same LPC4370 right?
[13:17] <prog> yes
[13:18] <prog> it won't have the programmable clock though
[13:18] <prog> (the silabs)
[13:18] <UpuWork> BARC is up on 434.650
[13:19] <UpuWork> !dial METRONOT1
[13:19] <SpacenearUS> 03UpuWork: Latest dials for 03METRONOT1 10(4b06): none
[13:19] <UpuWork> !dial METRONOT2
[13:19] <SpacenearUS> 03UpuWork: Latest dials for 03METRONOT2 10(4b06): 03434.474 MHz
[13:19] <Vaizki> prog, so without the clock 6Msps is as high as it'll go?
[13:21] <dbrooke> it's .450 for METRONOT1
[13:21] Nick change: dbrooke -> db_g6gzh
[13:21] <Geoff-G8DHE> Ah I can see it on SUWSSDR
[13:22] <daveake> yeah sorry for the lack of uploading at launch
[13:22] <prog> yes. If you try to overclock it the performance will degrade (spurs etc.)
[13:22] <prog> 6msps works just fine
[13:22] <daveake> Quadjet pilot managed to crash twice and damage the thing
[13:23] <prog> it will be available Q4 2015 or Q1 2016
[13:23] <Vaizki> ok so not an option for infaddict :)
[13:23] <prog> still some work to be done
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[13:27] Nick change: fl_0 -> fl_0|afk
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[13:35] <amell> theres a launch today?
[13:35] <amell> I had no idea. No idea at all.
[13:35] <SV1NJX> What happened to •‘2•™—-11 ?
[13:36] <SV1NJX> aprs beacon lost upon balloon explosion...
[13:36] <amell> lol
[13:37] <amell> !fllights
[13:38] <fsphil> -l
[13:38] <henryplumb> !flights
[13:38] <SpacenearUS> 03henryplumb: Current flights: 030x06 - Pico Flight 10(3ed8), 03Metro2 10(4b06)
[13:38] <M6XiMaN> Metro2 is up
[13:39] <amell> ah. i wondered why it wouldnt respond
[13:39] <henryplumb> haha
[13:39] <amell> $$$BARC,623,0,13:39:02,53.1558,-1.8348,12542m,8,&&&
[13:39] <amell> who is this?
[13:39] Action: M6XiMaN starts warming up his dodgy Nooelec
[13:40] <amell> someone is on 434.648
[13:40] <craag> amell: http://sentintospace.com/
[13:40] <amell> no checksum
[13:40] <Geoff-G8DHE> http://sentintospace.com/
[13:40] <Geoff-G8DHE> ah beat me
[13:41] <edmoore> sentintolies
[13:41] <craag> They have extended the format somewhat
[13:42] <craag> eg. ',6244m,'
[13:42] <amell> someone send up the attack balloon
[13:42] <craag> and ',DOOR IS OPEN,
[13:42] Action: fsphil registers itsnotspace.com
[13:43] <amell> I think this means its on its way down
[13:43] <fsphil> ,THERE ARE FOUR LIGHTS
[13:43] <amell> over the peak district almost where mattbrejza was yesterday
[13:44] <amell> too far for me to go and intercept
[13:45] <amell> !dial metro2
[13:45] <SpacenearUS> 03amell: Can't find a flight doc matching your query
[13:45] <Geoff-G8DHE> !dial mteronot2
[13:45] <SpacenearUS> 03Geoff-G8DHE: Can't find a flight doc matching your query
[13:45] <henryplumb> !dial Metro2
[13:45] <SpacenearUS> 03henryplumb: Can't find a flight doc matching your query
[13:45] <Geoff-G8DHE> !dial meteronot2
[13:45] <SpacenearUS> 03Geoff-G8DHE: Can't find a flight doc matching your query
[13:45] <Geoff-G8DHE> !dial metronot2
[13:45] <SpacenearUS> 03Geoff-G8DHE: Latest dials for 03METRONOT2 10(4b06): 03434.47728 MHz, 434.076 MHz, 434.47635 MHz, 434.477 MHz, 434.4764 MHz, 434.476 MHz, 434.47726 MHz, 434.4767 MHz
[13:45] <henryplumb> lol
[13:45] <Geoff-G8DHE> I can tpye
[13:46] <amell> found 1 at 434.449
[13:46] <Geoff-G8DHE> Metronot1
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[13:49] <db_g6gzh> METRONOT2 is RFM22B so I put that on the radio with CAT which has retuned itself 500Hz at least 4 times already
[13:49] <daveake> Yeah, old and trusty backup that one
[13:49] <daveake> I keep trying to lose it
[13:49] <craag> Btw how was the drift on SUSF/FSUS yesterday?
[13:49] <daveake> Keep failing
[13:50] <db_g6gzh> craag: no problem for LoRa, hard to catch the start of the intermittent RTTY during descent
[13:51] <craag> Ok, thanks
[13:51] <db_g6gzh> but not as bad as RFM22B
[13:51] <craag> Yeah RFM98 does seem to have improved on that
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[13:59] <sloopjb11> Hi Gentlemen... wanted to thank you for the floater.od link last week... and to tell you that I have completed substantial modifications to it and it is posted on our web site: www.jupiterspacestation.org/rcmodeling
[13:59] <PE2G> !dial 4b06
[13:59] <SpacenearUS> 03PE2G: Latest dials for 03METRONOT1 10(4b06): 03434.65 MHz, 434.450357 MHz, 434.125 MHz, 434.449844 MHz, 434.05 MHz, 434.45259 MHz, 434.44969 MHz, 434.076 MHz, 434.4497 MHz
[13:59] <SpacenearUS> 03PE2G: Latest dials for 03METRONOT2 10(4b06): 03434.477359 MHz, 434.076 MHz, 434.45 MHz, 434.47635 MHz, 434.477 MHz, 434.4769 MHz, 434.4765 MHz
[14:00] <lz1dev> much frequency
[14:00] <lz1dev> very man
[14:00] <lz1dev> wow
[14:00] <Steve_G0TDJ> PE2G: I have METRONOT2 on 434.479.84MHz
[14:01] <sloopjb11> we are looking for the original unknown author so that we can add him/her to the credits...
[14:01] <PE2G> Tnx Steve_G0TDJ. QRM on that freq, I think I´ll go for METRONOT1
[14:01] <Steve_G0TDJ> Roger
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[14:04] <Geoff-G8DHE> sloopjb11, Have a look at the logs from last week for who sent it http://habhub.org/zeusbot/
[14:05] <sloopjb11> The person giving me the link was not the author... you are saying maybe he'll know?
[14:05] <Geoff-G8DHE> Oh right not sure in that case ...
[14:06] <sloopjb11> Do you Brits do much floater ballooning?
[14:07] <edmoore> most of it
[14:07] <edmoore> though it's still a bit of a niche
[14:07] <edmoore> it's predominantly done with small envelopes at fairly low altitudes
[14:07] <db_g6gzh> sloopjb11: it was alxwntr, who said "I knocked it up the other day just because I was wondering about those things" so I believe to be the author
[14:08] <edmoore> though people have floated bigger payloads at high altitudes, often unintentionally
[14:08] <sloopjb11> ty... how do I contact him?
[14:08] Nick change: x-f_ -> x-f
[14:09] <edmoore> hang around here :)
[14:09] <sloopjb11> From our web site you can see we are starting a new floater class: Nano 100-1000gms
[14:09] <db_g6gzh> you'll probably have to try to catch him on here
[14:09] <edmoore> sloopjb11, there aren't really strict definitions
[14:10] <edmoore> the legislative allowance for not needing permission to launch anything that was less than 2m in any linear dimension is what gave rise to 'pico' ballooning
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[14:11] <edmoore> which more or less precludes anything >100g, but that's not so much by design as just the praticalities of party balloons and the 2m restriction
[14:11] <sloopjb11> here in the US... anything under 4 lbs...
[14:11] <theRealSIbot> In real units: 4 lbs = 1.8 kg
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[14:12] <sloopjb11> in real units... in the US 4 lb = 1.816 kg :)
[14:12] <theRealSIbot> In real units: 4 lbs = 1.8 kg
[14:12] <edmoore> it can't be reasoned with
[14:13] <amell> what float altitude were you aiming for btw?
[14:13] <edmoore> yeah that's a more interesting question
[14:13] <edmoore> staying above the tropopause seems to be the right tactic for longevity
[14:13] <amell> seems that anything too low seems to get taken down by weather/rain/ice
[14:14] <amell> leobodnar seemed to have much success by staying at 12k or thereabouts.
[14:15] <amell> i forgot how long it was in the end.
[14:15] <edmoore> couple of months or something
[14:15] <edmoore> it's lower at higher latitudes
[14:15] <sloopjb11> our spreadsheet can calculate all enevelopes up to 45000m... based on our new envelope we are looking at 17000 - 20000 ft with hydrogen...
[14:15] <edmoore> and lower in the summer
[14:15] <theRealSIbot> In real units: 20000 ft = 6096 m
[14:15] <edmoore> so basically launch at higher latitudes in the summer
[14:16] <edmoore> yeah that's too low
[14:16] <edmoore> 20000ft is full of weather
[14:16] <theRealSIbot> In real units: 20000 ft = 6096 m
[14:16] <amell> looks like leo didnt update his website with the final story.
[14:16] <amell> shame, it will get lost in time otherwise
[14:17] <edmoore> if you're after duration, stay above the weather and ideally above the tropopause (weather is usually beneath the tropopause but can make it up that high)
[14:17] <Vaizki> I thought you have to go up to 15km to avoid weather
[14:17] <Vaizki> at a minimum.. but if leo was at 12k then he proves me wrong :)
[14:17] <Geoff-G8DHE> B-64 was 134 days
[14:17] <edmoore> no you just have to go above the weather
[14:17] <edmoore> for all the reasons i just said
[14:18] <edmoore> 4 months
[14:18] <Geoff-G8DHE> @ 12.5Kms
[14:18] <sloopjb11> Bodnar seems to be hacing success at 16000 ft...
[14:18] <theRealSIbot> In real units: 16000 ft = 4877 m
[14:19] <edmoore> no he doesn't sloopjb11
[14:19] <edmoore> i think you might have misread something
[14:19] <edmoore> or are defining success differently
[14:19] <edmoore> nothing stayed up until he got higher - > 40,000ft
[14:19] <theRealSIbot> In real units: 40,000 ft = 12192 m
[14:20] <amell> b64 and b66 were 12500-13500m basically
[14:20] <amell> float height varied seasonally/with humidity if i remember right
[14:20] <Geoff-G8DHE> complete flight for B-64 here http://360.g8dhe.net/HAB_Flights/2014_Flights/B-64_20140712/index.php?ind=13
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[14:26] <sloopjb11> yep.. I did misread it... we have plenty of free lift and payload configurations so we can adjust our altitude to 15000m ... however it is a little more difficult as we are doing a hybrid zero/superpressure envelope...
[14:27] <Ian_> Congratulations on making the jump to metres/kilometres
[14:27] <edmoore> interesting
[14:27] <Vaizki> not sure how an envelope can be both zero and superpressure
[14:28] <edmoore> the siBOT wears down everyone eventually with its passive-agression
[14:28] <Ian_> :)
[14:28] <fsphil> Ian_: hah
[14:28] <edmoore> yeah i'd be interested to hear how you're merging the concepts
[14:30] <sloopjb11> sure... we are using micro valving to shut the overflow down once we are at our flying height... then we bob according to the environmental conditions...
[14:31] <Vaizki> ok so it's a superpressure envelope with smarts to stop going up?
[14:31] <sloopjb11> bobbing as a superpressure envelope...
[14:32] <edmoore> so you can ascend a bit more quickly that way?
[14:32] <edmoore> rather than pre-calculating the hydrogen fill for a given float altitude, you just fill-er-up and ascend quickly until you get to where you want to be?
[14:34] <Vaizki> could you just use a precise mechanical overpressure release to stop the ascent btw?
[14:34] <sloopjb11> ascension calculations in our spreadsheet seem to be always 20-30% less than full zero pressure envelopes... 2.5 - 4.5 m/sec
[14:34] <edmoore> that would probably start the ascent
[14:34] <Vaizki> or are the tolerances so small high up that you'd never get the valve right?
[14:34] <edmoore> if you have a pressure-relief valve then you'll go up when it vents
[14:34] <edmoore> think about it
[14:34] <Vaizki> ah right
[14:34] <Vaizki> :)
[14:35] <edmoore> you have a super-pressure envelope
[14:35] <Vaizki> silly me
[14:35] <edmoore> it's floppy
[14:35] <edmoore> as you ascent the internal gas expands
[14:35] <Vaizki> yea the mass stays constant until you vent
[14:35] <edmoore> yeah
[14:35] <Vaizki> so it stops rising unless you vent
[14:35] <edmoore> well, the lifting gas pressure anyway
[14:36] <edmoore> if you reduce the internal pressure your bouyancy increases as your mass reduces but the volume of the balloon remains the same
[14:36] <edmoore> so yes
[14:36] <sloopjb11> our valve gets us into an altitude range we want to be in... preferably where the superpressure is less than 10000Pa...
[14:38] <edmoore> that's quite a serious superpressure i think
[14:38] <edmoore> you'll have some fun testing envelopes on the ground
[14:38] <sloopjb11> the valving is a one time stop gap... our envelope will not expand or burst...
[14:40] <sloopjb11> did get enough material for 15 envelopes...
[14:40] <edmoore> nice
[14:41] <sloopjb11> 10000Pa/1.5 psi is not too bad...
[14:42] <pfysmate> !dial METRONOT1
[14:42] <SpacenearUS> 03pfysmate: Latest dials for 03METRONOT1 10(4b06): 03434.450231 MHz, 434.076 MHz, 434.125 MHz, 434.45252 MHz, 434.4497 MHz, 434.449844 MHz, 434.05 MHz, 434.44969 MHz, 434.65 MHz
[14:42] <sloopjb11> let's see the robot convert that...
[14:43] <sloopjb11> actually... testing on the ground is not too bad... as we adjust the psi...
[14:43] <edmoore> sure but actually a delta-pressure of 1.5psi is quite a lot
[14:43] <edmoore> in hoop stress
[14:44] <pfysmate> !dial METRONOT2
[14:44] <SpacenearUS> 03pfysmate: Latest dials for 03METRONOT2 10(4b06): 03434.476245 MHz, 434.45 MHz, 434.47584 MHz, 434.476 MHz, 434.4759 MHz, 434.076 MHz, 434.476266 MHz, 434.4762 MHz
[14:45] <sloopjb11> true... the secret is in the membrane material though...
[14:45] <edmoore> the big nasa superpressure balloons have a delta_pressure of about 0.02psi for ref
[14:45] <M6XiMaN> sloopjb11: What material did you select for the envelopes?
[14:45] <henryplumb> Metro2 burst
[14:46] <fxmulder_> anyone know an online collaborative schematics handler that allows me to create my own parts?
[14:46] <adamgreig> circuitlab?
[14:46] <sloopjb11> sure... their membrane is super super thin...can't take much psi... for reference
[14:46] <M6XiMaN> METRO still coming through loud and clear
[14:47] <sloopjb11> we have nylon and we are putting a barrier coating on it...
[14:48] <edmoore> well i await with interest your experimental results
[14:48] <edmoore> this sounds v interesting
[14:49] <fxmulder_> I should throw in free also :)
[14:49] <sloopjb11> we'll signal you on 144.800 as we fly through... :)
[14:51] <fxmulder_> the digikey schematics editor doesn't seem bad but its not collaborative from what I can tell
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[14:51] <M6XiMaN> sloopjb11: Adding your own barrier coating? That should be interesting. Tricky to get even coverage. :)
[14:51] <edmoore> non-collaborative + git hosted somewhere accessible = collaborative?
[14:52] <fxmulder_> that will sure make edits difficult
[14:52] <sloopjb11> didn't circuitlab die with Byte Magazine?
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[14:54] <sloopjb11> in terms of angstroms... even is not possible... even may not be that critical on a nylon substrate...
[14:56] <edmoore> fxmulder_, https://upverter.com ?
[14:56] <sloopjb11> probably only an ellipseometer could measure the coating depth evenness... only NASA does that...
[15:01] <fxmulder_> I'm surprised there isn't an open schematics editor out there for this
[15:01] <fxmulder_> might be worth creating something like that
[15:02] <sloopjb11> ellipsometer...damn wrote the first Fortran control program for it at USC in 1968... can't even spell it now...
[15:03] <edmoore> fxmulder_, never really liked the cloudy webtools thing for design
[15:03] <edmoore> though am open-minded
[15:03] <edmoore> but nothing has made me want to give up a normal desktop pcb design package yet
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[15:06] <nickjohnson> The upverter folks got in touch with me yesterday after they saw I'd launched the Tsunami
[15:07] <SpacenearUS> New vehicle on the map: 03chase_M0RPI - 12http://tracker.habhub.org/#!qm=All&q=chase_M0RPI
[15:07] <nickjohnson> Asking me why I wasn't using it :P
[15:07] <nickjohnson> (I wore an Upverter shirt for the previous KS)
[15:07] <edmoore> ah
[15:07] <nickjohnson> They do seem to care a lot about improving it
[15:07] <fxmulder_> edmoore: for designs I work on myself I totally agree but for group projects I think it would be nice to have something online
[15:08] <adamgreig> so i've recently been using kicad for this
[15:08] <adamgreig> and git
[15:08] <adamgreig> and separate schematic sheets
[15:08] <edmoore> ieagle + git here
[15:08] <edmoore> for same thing
[15:08] <adamgreig> for group work I mean though
[15:08] <edmoore> working on pcb designs with someone else
[15:08] <adamgreig> each person/team can get a separate shet
[15:08] <adamgreig> and then you don't get merge conflicts and it all works quite well
[15:12] <sloopjb11> what time UTC are most folks on this chat?
[15:13] <edmoore> afternoon/evening utc
[15:13] <edmoore> so now-10pm
[15:14] <sloopjb11> thanks... enjoyed it... checking out... tell folks about the new floater spreadsheets at www.jupiterspacestation.org/rcmodeling John
[15:14] <PE1ANS> TNX for the nice flight 73's
[15:15] <edmoore> we don't charge by the letter on irc
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[15:16] <edmoore> actually something like a psk31-irc bridge would be fun
[15:16] <craag> lol: Nano-class: 100-1000g
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[15:20] <Ian_> UTC is time zone "ZULU". Sunday 29 March UK moves to British Summer Time "ALPHA", which is UTC + 1
[15:22] <edmoore> hence me trying not to adjust to quickly back to UTC from delhi-time
[15:22] <edmoore> so that it still feels like a lie-in rather than getting up an hour earlier
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[15:24] <henryplumb> looks like metro is down
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[15:26] <Ian_> Time zones A to Z, Omitting O & I. East coast USA is R = Z - 5 and West coast is U = Z - 7
[15:29] <Ian_> Correction omitting J not O & I
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[15:45] <henryplumb> looks like metro might of landed very nearly on the road
[15:45] <db_g6gzh> Metro appears to be right next to the road
[15:45] <henryplumb> lol
[15:46] <db_g6gzh> hah
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[15:54] <Kryczek> Hi everyone! I am thinking of buying http://ava.upuaut.net/store/index.php?route=product/product&product_id=117 (Raspberry Pi+ GPS Expansion Board) and http://ava.upuaut.net/store/index.php?route=product/product&product_id=54 (Active GPS Patch Antenna with SMA Connector) but I am not 100% sure I understand the specs; could you please confirm that it would provide GPS coordinates on the ground just as well as in HAB, and that the antenna
[15:57] <edmoore> your message got cut short
[15:57] <edmoore> "and that the antenn"
[15:57] <Kryczek> oh, sorry, thank you for pointing it out
[15:57] <Kryczek> the rest was: and that the antenna somehow takes its power through the antenna cable? :)
[15:59] <edmoore> so that board and that antenna are compatible
[15:59] <edmoore> it should work just the same on the ground as in the air
[15:59] <edmoore> note that if you wish to fly it you'll probably have to configure the gps through the serial port to allow airborne mode
[16:01] <Kryczek> because otherwise it would consider itself being up in the air as an impossible position?
[16:02] <edmoore> yes
[16:02] <Kryczek> good to know :) thanks
[16:02] <edmoore> well, there's a specific altitude at which that happens, as specified in the datasheet or the ublox
[16:02] <edmoore> datasheet for*
[16:02] <Kryczek> I understand that "active antenna" means that the receiver part has active electronics in it, but does it also imply that power is fed through the antenna cable?
[16:03] <edmoore> yes
[16:03] <Kryczek> ah ok
[16:03] <Kryczek> sorry, new to all this ^^
[16:03] <edmoore> so there's a transistor right at the antenna
[16:03] <edmoore> that's used to amplify the signal coming from the antenna
[16:03] <SpeedEvil> http://www.usatoday.com/story/news/nation-now/2015/03/17/meteor-photograph-loch-ness-john-macdonald/24890911/
[16:03] <edmoore> so that it doesn't got further weakened by the resistance of the cable
[16:03] <Kryczek> clever
[16:03] <edmoore> that transistor needs power somehow
[16:04] <edmoore> so there's a little biasing circuit provided by the ublox that injects power down the antenna cable
[16:04] <edmoore> and the transistor taps that off
[16:05] <edmoore> so you might have a 0Hz (i.e. DC) 2V signal going down, and a pico/femtovolts AC signal at 1.5GHz coming from the antenna - that's the gps signal
[16:05] <edmoore> and the ublox filters off the 2V dc to just take in the gps signal
[16:05] <edmoore> and the amplifying transistor at the antenna end filters off the 1.5GHz gps signal to just leave it with a 2V supply rail
[16:05] <edmoore> and both those signals coexist in the middle on the cable
[16:07] <Kryczek> ah yes I was confused as to how both could coexist in the cable
[16:08] <Kryczek> ok then, I shall buy them and have lots of fun!
[16:08] <Kryczek> many thanks :)
[16:08] <edmoore> no probs
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[16:21] -:#highaltitude- [freenode-info] help freenode weed out clonebots -- please register your IRC nick and auto-identify: http://freenode.net/faq.shtml#nicksetup
[16:21] <DanielRichman> fsphil: IT WAS ME.
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[16:40] <daveake> We got the signal from miles away, mainly as this is a valley and we were up on a ridge
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[16:41] <pd3rmv> Hello all
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[16:45] <daveake> How to launch a balloon :-) https://dl.dropboxusercontent.com/u/368443/Release.wmv
[16:46] <craag> segfaults vlc :/
[16:46] <jcoxon> a file vlc can't play...
[16:47] <daveake> I'll YT it when I get bacl
[16:47] <daveake> k
[16:50] <edmoore> vlc played it fine here
[16:50] <jcoxon> works for me
[16:50] <jcoxon> so did hte drone cut the line?
[16:52] <daveake> hah no
[16:52] <daveake> He crashed it straight after that :/
[16:52] <jcoxon> so what was the drone for? apart from crashing
[16:52] <daveake> Though to be fair, I think that the control was impaired by damage caused the first time he crashed it :/
[16:53] <daveake> They (choccie bar company in turkey) have a cartoon quadjet thing in their advertising
[16:53] <daveake> So then they made one
[16:54] <daveake> Not the most stable flying machine ever
[16:54] <daveake> Then they had the bright idea to launch a balloon from one
[16:54] <jcoxon> right
[16:54] <daveake> Anyway that did actually work, and they got their gopro footage, so they're happy bunnies
[16:55] <daveake> We had to wait for a day with next to no wind
[16:55] <daveake> Otherwise it'd be balloon 1 quad 0
[16:57] <jcoxon> hehe
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[17:23] <pd3rmv> list
[17:23] <edmoore> hashtable
[17:32] <pidpawel> stack
[17:33] <adamgreig> FIFO
[17:37] <Laurenceb> https://camo.githubusercontent.com/88444f193d394e1003e4577afcb636e1768263b7/687474703a2f2f692e696d6775722e636f6d2f6a61636f6a2e6a7067
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[17:38] <edmoore> actually i had to be like that when i helped with a pi-jam-mash-jamboree-something
[17:39] <edmoore> 'my breadboard isn't working!!!'
[17:39] <edmoore> schematic or gtfo
[17:39] <edmoore> 'but my breadboard!'
[17:39] <edmoore> schematic.
[17:39] <edmoore> or.
[17:39] <edmoore> gtfo.
[17:39] <edmoore> it's quite extraordinary how people are sure they've breadboarded what they had in their head but actually haven't
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[19:10] <Lunar_Lander> evening
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[19:31] <SpeedEvil> https://www.youtube.com/watch?v=2Ff_5jF_3QU - 'assuring access to space' ULA/spacex live mud-wrestle
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[19:34] <Geoff-G8DHE> Object Movie for todays METRONOT flights http://360.g8dhe.net/HAB_Flights/2015_Flights/METRONOT_20150317/
[19:42] <daveake> Cheers :)
[19:43] <daveake> Burst was a bit earlier than expected
[19:43] <daveake> Chinese QC
[19:43] <daveake> or lack thereof
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[19:48] <Geoff-G8DHE> nps, had go out myself, just after the burst, but it seems to have tracked ok!
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[19:50] Nick change: fl_0|afk -> fl_0
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[19:53] <fsphil> apparently a good chance of aurora tonight
[19:54] <Geoff-G8DHE> also a good chance of cloud in that case ;-)
[19:54] <fsphil> yes
[19:54] <fsphil> clear here apparently
[19:54] <Geoff-G8DHE> just been looking around the webcams and they are all clouded out!
[19:54] <fsphil> might head out
[19:54] <Geoff-G8DHE> you stand the nest chance I reckon
[19:54] <Geoff-G8DHE> best*
[19:55] <fsphil> not sure if my camera is charged
[19:55] <Geoff-G8DHE> is your pi-cam looking in the right direction ?
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[19:56] <fsphil> sadly not, it's on the south side of the hill
[19:56] <Geoff-G8DHE> :-(
[19:56] <petrinm> Greetings from Helsinki: http://aurora.fmi.fi/public_service/latest_DYN.jpg?1426619234
[19:57] <Geoff-G8DHE> Oww any good ??? yes the best I've seen tonight so far!
[19:57] <daveake> https://pbs.twimg.com/media/CAUbCgEUsAA1QAC.jpg
[19:57] <daveake> Looks good
[19:57] <daveake> Nothing here tho
[19:58] <daveake> "Huge solar storm under way! Aurora borealis should be visible north of Dublin-Derby-Hamburg-Minsk tonight. "
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[20:08] <TT7> Hello gentlemen. has anyone ever had a following problem when programming their tracker: after some time of transmitting, the data in the sentence stop updating. the sentence counter continues to increase, but the rest of the data stays the same. The code is based on Anthony Stirk's interrupt code.
[20:10] <TT7> On closer examination, it seems like the code doesn't return to the main loop any more and executes only what is in the interrupt segments.
[20:11] <daveake> Stuck in a while loop ?
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[20:16] <TT7> i don't think so. the transmision continues uninterupted. Just the data normally updated in the main loop don't get updated anymore and stay the same in every following received sentence. Sometimes it works fine, for a very long time. Othertimes, it gets stuck like this.
[20:17] <TT7> When I put some of the data updates into the interrupt, they do get updated even after this happens. Just the data in the main loop no longer update.
[20:18] <Vaizki> yea I get the auroras also on my balcony here in Espoo
[20:18] <daveake> The main loop builds the sentence? And in doing so the sentence counter increases and the crc changes?
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[20:20] <Vaizki> can you put up code? have an interrupt rtty sender working well
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[20:23] <TT7> the main loop only fills the variables for the sentence(gps, temperature, voltage). The sentence gets constructed in the interrupt. The counter and crc are both in the interrupt as well and they both do get updated.
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[20:23] <Vaizki> umm I would construct the sentence in the main loop
[20:25] <daveake> Absolutely
[20:25] <Vaizki> and do.. not saying it won't work from an ISR but I have learned the hard way to do the minimum amount of work there
[20:25] <daveake> Do as little as you possibly can in the ISR
[20:26] <Geoff-G8DHE> What is driving this interuppt ? what frequency ?
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[20:26] <daveake> It's a timer
[20:26] <TT7> Vaiziki I can try that. It's just a very strange problem. Because it doesn't always happen and when it does, it does so after always different times. Nothing periodic or predictable.
[20:26] Nick change: uwe__ -> uwe_
[20:27] <mikestir> late to the party here, but isr and weird usual means you forgot to declare something as volatile
[20:27] <TT7> ok, I'll try that and see what happens.
[20:27] <Vaizki> so I have 2 character buffers, one owned by the main loop (but global) and another owned by the ISR. and then there's a uint8_t flag variable.. so I build the sentence in the main loop, set the flag. the ISR then notices the flag and strncpy's the main loop string to it's own
[20:28] <daveake> Why not just use the main loop's string?
[20:28] <Vaizki> oh and the ISR clears the flag when it's done copying
[20:28] <daveake> It's not going to be doing anything with it
[20:28] <Vaizki> so that the main loop knows it's safe to build another sentence whenever it wants
[20:28] <daveake> You just need 1 string and those flags
[20:28] <Vaizki> mikestir: definitely, everything that's shared bethween ISR and main loop "volatile"
[20:28] <Vaizki> otherwise the compiler will optimize stuff deviously and boom
[20:29] <daveake> Not IME
[20:29] <daveake> If it's a global string it won't do anything with that memory
[20:29] <Vaizki> yes I could do it with one buffer and pause the ISR while I'm building a new one into it
[20:29] <mikestir> having missed the start I'll assume this is for a timer based rtty encoder, in which case I'd be using a circular buffer and posting characters to it from the main loop
[20:29] <daveake> No, the ISR just has a "sentence ready" flag
[20:29] <daveake> Which ofc you set once the sentence has been built
[20:30] <Vaizki> and it only sends it once?
[20:30] <daveake> yes
[20:30] <Vaizki> because I'm running in an endless loop now
[20:31] <mikestir> daveake: string arrays don't need to be volatile, but shared pointers or the "ready" flag do
[20:31] <daveake> You just need flags so the main loop knows when to build a sentence, and the ISR knows when to start sending
[20:31] <Vaizki> so even if the main loop somehow gets stuck, the ISR will keep trasnmitting the last sentence
[20:31] <daveake> "somehow gets stuck" ...
[20:31] <Vaizki> as in I made a bug
[20:31] <Vaizki> ;)
[20:31] <daveake> ... why would it? Just don't do anything daft like waiting for an i2c device to reply
[20:31] <daveake> without a timeout
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[20:32] <Vaizki> oh no I don't do anything daft. but there's no harm in me double buffering the sentence...
[20:32] <Vaizki> except 100 bytes of memory or so
[20:32] <daveake> Given how little memory there is to play with, I think having a seperate sentence for the ISR is an extravagance
[20:32] <Vaizki> well I can afford it right now but it's very easy to change to a single buffer model
[20:33] <daveake> Sure
[20:33] <daveake> My generic tracker code handles RTTY, LORA, APRS, and it would otherwise be very short on memory with everything enabled
[20:34] <daveake> especially as the lora code can repeat packets from another balloon or the ground
[20:34] <Vaizki> also it was the first thing I coded so I didn't know how long ublox, ds18b20 etc polling would take
[20:34] <daveake> so it needs some buffers for those
[20:34] <Vaizki> turns out it's quite fast so even if I poll & build on demand it won't be a long pause
[20:34] <Vaizki> daveake: you are still running on a 328p and arduino bootloader?
[20:38] <daveake> at the mo yes
[20:38] <daveake> still fits
[20:38] <daveake> just
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[20:39] <Vaizki> 3.3V @ 8MHz?
[20:39] <daveake> varies
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[20:42] <Vaizki> I actually do I2C also asynchronously in the main loop which also eats up sram as I keep filling a buffer until I have a full UBX packet
[20:43] <Vaizki> if I did it synchronously waiting for the response, I could have that buffer off the stack only while getting the position
[20:43] <Vaizki> so I am a bit laissez faire with sram...
[20:45] <mikestir> I see silabs has brought out their energy micro cortex m3 with a built in ezradiopro
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[20:45] <mikestir> haven't investigated yet though
[20:45] <storm_home> hi all
[20:47] <storm_home> nickjohnson: did something go wrong with the new reward tier? I only see a new 40gbp option named "wavebreaker" aswell and without the housing mentioned
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[20:49] <daveake> For those who missed this or couldn't open the video earlier, today's Metro2 flight released from a quadcopter https://www.youtube.com/watch?v=6lnIYZW1Feg&feature=youtu.be
[20:51] <number10> i thought it was quadcopter released from high altitiude baloon
[20:52] <arko> daveake: COOOOOl
[20:53] <arko> i was expecting more oscillation/pendulum motion
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[20:53] <number10> it was quite smooth
[20:53] <daveake> I was expecting less crashing after
[20:54] <daveake> Well the free lift was 1.1kg and the quad weighed 7kg
[20:54] <daveake> So yes it was the quad releasing the balloon :)
[20:55] <daveake> Most of the weight was the huge LiPos
[20:55] <arko> heh
[20:55] <arko> in america we call that a payload
[20:55] <daveake> 22.5V 10Ah x 2
[20:55] <daveake> Run time 4 mins
[20:55] <Vaizki> wut..
[20:55] <Vaizki> I have a single 5Ah LiPo on my hexacopter...
[20:56] <daveake> size
[20:56] <Vaizki> indeed, that must be huge
[20:56] <daveake> It was suitably huge
[20:56] <daveake> arrived in a crate
[20:57] <daveake> Even so, if we'd launched on Friday when the wanted, the balloon would have dragged the quad across the field
[20:59] <arko> im sure they would have loved that
[20:59] <Vaizki> my quad has GPS-based position hold and it does battle winds etc quite well but I'm sure it would be toast behind a balloon
[20:59] <Vaizki> I'm not sure I understand why you launched from a quad though..?
[21:00] <Upu> I am wondering that too
[21:00] <daveake> Welcome to the world of "marketing"
[21:00] <Upu> ah
[21:00] <Upu> ofc
[21:00] <Vaizki> I will also accept "because we could"..
[21:00] <Vaizki> ok marketing.. accepted
[21:01] <daveake> Here, this should explain everything :-) https://www.youtube.com/watch?v=wUW2XYdH2zA
[21:01] <daveake> And in case you wondered, Metro bars are shit
[21:01] <Vaizki> At the moment, we are waiting for several big DS1054Z deliveries. The estimated time of arrival for the first and second delivery is at the end of April and beginning of May. At middle / end of May we expect further deliveries. We expect a normalizing of the delivery situation for June/July.
[21:02] <Vaizki> Due to your position in our waiting list, you will receive a device from the first delivery.
[21:03] <number10> ah that explians it.. lots of enerji
[21:03] <Vaizki> batronix a "bit" backlogged on the new rigol :D
[21:03] <Vaizki> oh so that's where the shit from the metro goes...
[21:03] <Geoff-G8DHE> http://aurora.fmi.fi/public_service/latest_SIR_AllSky.jpg
[21:04] <Vaizki> yup
[21:04] <Vaizki> it's a nice show here
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[21:05] <Vaizki> well right now it's quieted down pretty much
[21:11] <Geoff-G8DHE> fsphil, Are you watching outside ?
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[21:18] <nickjohnson> storm_home: No, I'm just an idiot. Fixed.
[21:19] <Vaizki> the case is a bit of an upgrade, also to the price :)
[21:20] <storm_home> jup, I find the module itself very reasonably priced, but for 20gbp I am going to make myself my own case
[21:22] <nickjohnson> Yup, fair enough.
[21:22] <nickjohnson> The price for the case isn't actually much more than cost. Hammond cases are expensive. :/
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[21:25] <Vaizki> sure, and I might still go for it but the module is too cheap ;)
[21:30] <Vaizki> I think something in the 100-150 USD range between Tsunami and the Red Pitaya would be very nice.. the Pitaya bombed out for me because there's no GigE
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[21:31] <Vaizki> Multiple RF in & out? check. Nice ADCs? check. FPGA? oh yes! ARM cpu? yes again? some way to get loads of data off the board in real-time? sorrrrryyyy
[21:33] <prog> nah, that's our specialty
[21:46] <daveake> Nice https://pbs.twimg.com/media/CAVHm3JWwAA4WzL.jpg
[21:46] <nickjohnson> Vaizki: I'm already considering a Tsunami Pro :P
[21:46] <nickjohnson> Which would likely be, in effect, an FPGA and a really fast DAC
[21:46] <nickjohnson> But then you start to get into RF magic I'm not so good at.
[21:48] <Vaizki> me neither which is why I need someone else to build it and take my money ;)
[21:50] <nickjohnson> heh
[21:50] Action: nickjohnson -> bed
[21:50] <jcoxon> anyone with a clear sky in the UK should look out for the aurora
[21:52] <Upu> I shall take the dog out shortly and have a look
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[21:52] <jcoxon> its cloudy here :-(
[21:53] <jcoxon> and will be all night
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[21:55] <prog> boo
[21:56] <daniel_> Hi I have just ordered following board in order to send my RPi into the sky http://ava.upuaut.net/store/index.php?route=product/product&path=75&product_id=104
[21:56] <Vaizki> daniel_ needs the magmount chase car antenna url ;)
[21:57] <daniel_> ....and as Vaizki said I need an antenna
[21:57] <daniel_> for my Airspy
[21:57] Nick change: fl_0 -> fl_0|afk
[21:58] <Upu> I actually have suitable antennas I need to get the damn thiungs on the shop
[21:58] <Upu> for the car ?
[21:58] <chrisstubbs> Upu, get them on the shop, the council want to buy some and I hear you like money ;)
[21:58] <Upu> I like money
[21:59] <Upu> and boobs and whisky
[21:59] <Upu> but I digress
[21:59] <daniel_> yeah for the car
[21:59] <daniel_> would be nice
[21:59] <chrisstubbs> You probably only want items 1 and 3 from them
[21:59] <Vaizki> digress yes but not in a bad way
[21:59] <Upu> Diamond MR77S
[21:59] <daniel_> and what about the SRH-789
[21:59] <daniel_> ?
[22:00] <Upu> Well if you wait till Monday I'll have SRH-519S on the shop
[22:00] <Upu> but you probably need something on the roof of the car
[22:01] <daniel_> well not necessarly
[22:01] <Vaizki> I would say you do
[22:01] <Upu> you will struggle to recieve it in the car with a portable antenna
[22:01] <Vaizki> reception is so much better than from inside the car
[22:01] <Upu> because the car is made of metal :)
[22:01] Nick change: fl_0|afk -> fl_0
[22:01] <daniel_> you're right +1
[22:02] <Upu> I suggest you get an antenna designed for 70cms like the MR77s or SRH-519
[22:02] <Vaizki> which is a good thing when the antenna is on the roof but bad when it's below it
[22:02] <Upu> I carry 3 antennas
[22:02] <daniel_> sorry I am a total noob yet in radio stuff
[22:02] <Upu> MR77 for the car roof
[22:02] <daniel_> i have a software engineering background :)
[22:02] <Upu> SRH815S for running about with
[22:02] <Vaizki> many of us do, myself included
[22:02] <daniel_> but I wan't to send a RPi into to sky to learn about radio stuff :)
[22:02] <Upu> and a Arrow II 5 element yagi for direction finding
[22:03] <lz1dev> http://i.imgur.com/RX65eBi.gifv
[22:04] <daniel_> ahahah
[22:04] <daniel_> crazy guy
[22:04] <Upu> wtf only in mericur is that ?
[22:04] <Vaizki> too bad he shot the line so early
[22:04] <Upu> got a link to the full video for that ?
[22:04] <Vaizki> that's a bit hardcore
[22:04] <lz1dev> noup
[22:05] <daniel_> he guys g2g
[22:05] <Vaizki> http://unofficialnetworks.com/2014/12/erik-roner-90-balloons-a-lawn-chair-a-parachute-and-shotgun
[22:05] <daniel_> thanks a lot for your help
[22:05] <Vaizki> be back
[22:05] <Vaizki> recipe for success
[22:06] Action: SpeedEvil sighs at clouds.
[22:06] <daniel_> I will buy a Diamond MR77S since the local store has it :)
[22:06] <daniel_> in stock
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[22:08] <Vaizki> I don't give Erik full marks for just letting a metal chair fall into the ground...
[22:10] <Vaizki> he should have taken a paintball gun up instead of a shotgun
[22:10] <Vaizki> but it's time to sleep...&
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[23:17] <Vaizki> ok I can't go to sleep with these auroras on :O
[23:18] <Vaizki> http://photos.smugmug.com/photos/i-q4Trt27/0/X3/i-q4Trt27-X3.jpg
[23:18] <Vaizki> from my balcony
[23:19] <Vaizki> maybe out for some more...
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[23:21] <Lunar_Lander> awesome!
[23:21] <Lunar_Lander> thanks for capturing Vaizki
[23:21] <Lunar_Lander> and good night :)
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[00:00] --- Wed Mar 18 2015