highaltitude.log.20140817

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[00:27] <RADIOCAL> EXIT
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[00:38] <USA> hello
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[01:02] <Laurenceb> sup
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[01:04] <Laurenceb> epic commute is over :D
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[01:19] <SpeedEvil> Laurenceb: :)
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[05:30] <jcoxon> morning all
[05:34] <WB8ELK> Hi James...take a look at my altitude chart for my flight going on now
[05:34] <WB8ELK> It's a 36" clear mylar party balloon with one of Anthony's pAVA transmitters runningTHOR16
[05:35] <jcoxon> yeah i saw that this morning
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[05:35] <jcoxon> whats the weather like?
[05:35] <WB8ELK> It has been bobbing up and down between 1400 to 2000 meters....it was supposed to go to 6500 meters.
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[05:35] <jcoxon> so i've seen something similar
[05:36] <jcoxon> with inversion layers
[05:36] <WB8ELK> some cloud cover in the area it is in...I'm thinking that it collects moisture, drops down and it evaporates and then back again.
[05:36] <WB8ELK> Also thought it might be inversion layers
[05:36] <jcoxon> but also moisture
[05:36] <jcoxon> it 'should' break through and then you'll be off!
[05:36] <WB8ELK> It looks like it is trying to break though now
[05:37] <WB8ELK> Sadly we just don't have the 70cm network of hams here with sideband capability
[05:37] <jcoxon> i was just going to say
[05:37] <WB8ELK> I'm the only one copying now and it is over 180 km away
[05:37] <jcoxon> you need a tracker or two
[05:37] <jcoxon> lexington has Global tuner
[05:37] <jcoxon> i think
[05:37] <WB8ELK> trying to drum up some Nashville TN folks....but the one friend up there has no sideband working on 434 MHz
[05:38] <WB8ELK> good idea....if it gets closer to Lexington I can try that.
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[05:41] <jcoxon> WB8ELK, did you catch the conference?
[05:42] <WB8ELK> only part of it...was wanting to see Dan Bowen's talk but didn't see it streaming
[05:42] <WB8ELK> The talks will be on BATC?
[05:42] <jcoxon> yeah they'll be on there apart from Dan's
[05:51] <WB8ELK> well there it goes back down again for another roller coaster ride
[05:51] <WB8ELK> it can't seem to get above 2000 meters
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[06:03] <WB8ELK> Just faded away at 200 km for me...only at 1922 meters. No one else capable of receiving it in the area...at least anyone that is still awake. I'll try to do a long range predict and see where it will be by sunrise. Maybe I can hear it on the Lexington Globaltuner.
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[06:04] <jcoxon> i'm not on a good internet connection so can't check lexington for you
[06:05] <jcoxon> it would be worth emailing GPSL and asking people to have a listen
[06:08] <WB8ELK> Logging onto the Lexington radio as we speak. Good idea...I'll try GPSL once I do a prediction...the only worry is whether it continues oscillating back and forth between 1400 and 2000 meters or if it actually makes it to 6500 meters...maybe by sunrise it will make it there.
[06:13] <WB8ELK> ah well....Lexington is still too far away....and no UHF WEBSDR stations in the US
[06:13] <jcoxon> yes i'd expect something
[06:13] <jcoxon> WB8ELK, people like a oppurtunity to track balloons on a sunday
[06:13] <jcoxon> send out the email and they shall come
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[06:15] <WB8ELK> Yes indeed...I will do that. If it finally decides to go up to 6500 meters like it was supposed to do I would still be able to copy it....still see a faint trace in the waterfall now but that's it.
[06:29] <jcoxon> WB8ELK, what freq is it on?
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[06:34] <WB8ELK> 434.442 MHz USB THOR16
[06:35] <jcoxon> cool
[06:35] <jcoxon> i'll have a listen in a bit
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[07:02] <EwanP> Morning
[07:03] <jcoxon> morning EwanP
[07:04] <EwanP> Thanks to all involved in organisation of the conference this year. Great venue, very interesting speakers and lively discussion in the breaks.
[07:04] <jcoxon> glad you had a good time
[07:06] <EwanP> Do you know when the archive will be up on BATC.TV, I guess to guys have only just got home but I would like to go back a look at a couple of the talks
[07:07] <jcoxon> I suspect it'll be in the next few days
[07:07] <EwanP> thanks will look out for it.
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[07:33] <Reb-SM0ULC> edmoore: ipv6 names ;)
[07:33] <Reb-SM0ULC> mm
[07:33] <Reb-SM0ULC> sri
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[08:24] <asacalow> Hi all
[08:26] <Reb-SM0ULC> heloo!
[08:26] <tweetBot1> @NORB_HAB: Had a fantastic day with everybody at #ukhas yesterday! A massive thanks to the organizers and everybody who came :)
[08:30] <tweetBot1> @AnthonyStirk: #ukhas conference too much for @arkorobotics http://t.co/ay2mCIF4r9
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[08:33] <MaXimaN> Heheh
[08:33] <MaXimaN> Morning all
[08:33] <fsphil> haha
[08:34] <MaXimaN> Really enjoyed the conference yesterday, was nice to meet everyone and the presentations were excellent
[08:34] <fsphil> it was very good
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[08:37] <asacalow> Could someone give me some CAA advice please? We have a balloon flight scheduled today but no word from the CAA yet, even though we put our application in over a month ago. Should we be worried yet? Assume yes!
[08:38] Last message repeated 1 time(s).
[08:38] <fsphil> would've been more useful to be worried on friday ;)
[08:39] <fsphil> I doubt you'll hear from them today
[08:40] <asacalow> Ah ok. Thx. And yes, just found out it wasn't followed up!
[08:41] <fsphil> I've had this happen to me too. Not sure why some applications get delayed like that
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[08:42] <fsphil> the last time I received permission the day after I wanted to launch, and he'd given me completely different dates to what I'd asked for
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[08:48] <fsphil> hmmm... http://i.imgur.com/NmItqbc.jpg
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[08:49] <Geoff-G8DHE-Tab> 😁
[08:50] <Geoff-G8DHE-Tab> Morning all!
[08:50] <fsphil> morn!
[08:50] <Geoff-G8DHE-Tab> Better find some coffee!
[08:52] <asacalow> fsphil: ok thanks. Looks like our launch is going to be called off then : (
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[08:55] <fsphil> is yours the manchester launch announced on the list?
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[09:04] <daveake-mob> Morning
[09:05] <daveake-mob> Great conf so many ideas in my head now:-)
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[09:47] <SkippyUK> does any one know the ATC number for Leeds Bradford airport?
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[09:48] <daveake> Is this for your launch permission / notam for the madlab flight?
[09:48] <SkippyUK> yes
[09:49] <daveake> Doesn't work like that
[09:49] <daveake> The CAA should have issued permission on Friday
[09:49] <daveake> However sometimes if you don't chase they don't do
[09:49] <daveake> So there's no permission and no notam so, unfortunately, you're stuffed
[09:50] <SkippyUK> ASA is saying CAA have not got back to him
[09:50] <daveake> No they haven't
[09:50] <SkippyUK> so we are stuffed?
[09:50] <daveake> If he had permission there'd be a notam
[09:50] <daveake> I checked and there's no notam
[09:51] <daveake> And you certainly can't launch without permission
[09:51] <SkippyUK> thanks for the confirmation.
[09:52] <daveake> My advice, which you may remember :-), is to send an email reminder to the CAA 2-3 days before (say, on the Wednesday)
[09:52] <daveake> and then if you don't get permission by a~4pm on the friday, call
[09:52] <daveake> I always do the reminder
[09:53] <SkippyUK> I was not involved in the notam process.
[09:54] <daveake> Sure, but just letting you know for next time
[09:54] <daveake> I replied to Asa's tweet
[09:54] <SkippyUK> and I think I shall remember
[09:54] <SkippyUK> I don't follow ASA on twitter
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[09:58] <Uggy_> Hi, fyi it seems Adafruit has updated their Ultimate GPS page.. and selling now the new 40km version PA6H
[09:58] <daveake> Wow 40km
[09:59] <daveake> Should sell well outside Mexico
[10:00] <Uggy_> Hi Dave, what do you mean ?
[10:00] <Darkside> hahhahah
[10:01] <daveake> Oh don't worry, just a little joke (a Mexican flight claimed an unachieveable altitude without having GPS data)
[10:01] <daveake> Anyway, 40km isn't that high these days
[10:02] <Uggy_> ok ;) yes 40km is not amazing.. but far more acceptable compared to their previous 27km
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[10:03] <daveake> yeah 27km wasn't very useful at all
[10:04] <Uggy_> I quickly updated the wiki page (previous revision said the 27km only was on sale).
[10:05] <Uggy_> But I don't see any good reason to get the Adafruit 40km as Upu Ublox are working fine..
[10:05] <SpeedEvil> daveake: yeah - I don't know what Leo's thinking.
[10:05] <SpeedEvil> :)
[10:05] <daveake> yup
[10:05] <mfa298> although has anyone actually confirmed they the Adafruit will actually manage 40km. Didn't they used to say it would do 40km but actually what they sold could only do 27km
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[10:06] <daveake> hmm ... not sure ask Upu when he's back. ISTR he and I flew an Adafruit something as a test.
[10:06] <Uggy_> mfa298: Upu (i Think) tested a version and confirmed 38km .. but this version was not on sale..
[10:06] <Uggy_> ... but *seems* in sale from few days
[10:07] <daveake> ok sounds likely
[10:07] <mfa298> sounds hopeful.
[10:08] <mfa298> From what I remember the page for tyhe adafruit gps has been saying 40km for a long time (but may not have actually managed it)
[10:09] <Uggy_> from what I remember, the previous page said "tested successfully at 27km" (forgotting to say it does not work above)
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[10:11] <Uggy_> the product page has been updated but the "learn" page has not and is still with ">25km"
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[10:17] <mfa298> looking at the wayback machine it looks like 40km has been in the technical specs for a while (certainly back to april)
[10:17] <mfa298> but they added a bit more text about it around june, then just added that new update
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[10:17] <mfa298> looks like no match for 40km in March
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[10:18] Nick change: Uggy_ -> Uggy
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[10:19] <mfa298> ah no, page rended differently. Tech specs lists 40km even back in Feb 2013
[10:20] <Uggy> ok strange...
[10:20] <Uggy> Upu (I think) tested the PA6H to 38.5km
[10:21] <Uggy> and it seems that is the PA6H sold now..
[10:21] <mfa298> actually that was Feb2014 I was looking at
[10:21] <DL7AD> morning
[10:21] <mfa298> needs someone to buy one and actually test it
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[10:22] <mfa298> The line that appeared sometime in 2013 is: Maximum Altitude for PA6H: according to the factory, this module will perform up to 40Km but it is only known-tested up to 27,000 Meters
[10:22] <mfa298> which is probably accurate but they probably wern't selling that one or at least not with suitable firmware at the time
[10:23] <Uggy> yes.. I agree..
[10:25] <Uggy> today they don't exactly say they are selling the PA6H
[10:25] <Uggy> but they say: As of 8/10/2014 we are shipping with firmware v. 5632
[10:25] <daveake> I wouldn't take the risk
[10:25] <Uggy> it seems the 27Km was v 5153
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[10:26] <Uggy> Upu tested 38.5km was v 5223 ?
[10:26] <Uggy> so we are not 100% sure for v. 5632..
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[10:28] <Uggy> yes, I would not take the risk too.. as Ublox are fine...
[10:29] <Uggy> I just wanted to inform about the *possible* update.. ;)
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[10:34] <nosebleedkt> hi
[10:35] <nosebleedkt> anyone with experience on CHDK and focus modes in the command script?
[10:35] <nosebleedkt> :D
[10:36] <nosebleedkt> I want to set it on Landscape mode
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[10:36] <nosebleedkt> but not sure if set
[10:36] <nosebleedkt> set_prop works
[10:36] <nosebleedkt> -- Focus Mode (0,1,3,4,5 = Normal, Macro, Infinity, Manual, Super Macro)
[10:36] <nosebleedkt> -- set_prop(6, 3)
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[10:45] <daveake> ping SkippyUK please pop back here
[10:46] <SkippyUK> back
[10:46] <SkippyUK> sorry, was connected via phone
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[10:58] <daveake> You've spoken with LBA?
[10:58] <SkippyUK> i havent, Asa, or some one did
[10:58] <SkippyUK> LBA apparently say that they are happy for go ahead
[10:59] <Darkside> why would LBA have the authority
[10:59] <daveake> Means nothing
[10:59] <Darkside> you'r going out of their control area
[10:59] <daveake> They do NOT have the authroity
[10:59] <daveake> (AFAIK)
[10:59] <Darkside> and other pilots will be flying in the area too
[10:59] <Darkside> it works that way here in australia daveake
[10:59] <Darkside> you *MUST* have a NOTAM issued
[10:59] <Darkside> else you cannot fly
[10:59] <daveake> You HAVE to have permission from AUSOPS in the CAA
[10:59] <daveake> and there MUST be a NOTAM
[10:59] <daveake> If not both no fly
[10:59] <daveake> So you no fly
[11:00] <daveake> Any private pilot looking at notams to see if it's safe will have NO IDEA you're about to launch a balloon in his flight path
[11:00] <daveake> This is a bad thing
[11:02] <tweetBot1> @jonsowman: Thanks to @jamescoxon and @AnthonyStirk for organising the #ukhas conference yesterday!
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[11:02] <tweetBot1> @jonsowman: The slides for my part of the #stm32 workshop are at http://t.co/5zIuoLflE7 #ukhas
[11:03] <SkippyUK> Darkside: daveake I will hunt down Asa and tell him
[11:04] <Darkside> you had better
[11:04] <daveake> Just having someone agt LBA say "it's ok by us" doesn't mean you have permission
[11:04] <Darkside> as you're about to do something illegal
[11:04] <daveake> AIUI he can't give it
[11:04] <daveake> Probably he doesn't know he can't give it
[11:05] <daveake> Personally unless I had someone there say "yes we've issued a notam and it's on our heads now" I'd be packing up and going home#
[11:05] <tweetBot1> @jonsowman: And the wiki page about setting up an #stm32 toolchain is at http://t.co/QDwW9XWItS #ukhas. Get in touch with questions!
[11:05] <jonsowman> ok sorry
[11:05] <jonsowman> end
[11:05] <daveake> haha np
[11:06] <craag_philcrump> twas good stuff in the stm32 workshop
[11:07] <jonsowman> thanks craag_philcrump, hopefully inspires some people to use them more :)
[11:07] <craag_philcrump> blew my mind first time I connected up the black magic probe and found I could see the instruction it was stuck on, step through, etc..
[11:08] <jonsowman> proper debugging is such an eye opener after avr/arduino
[11:08] <craag_philcrump> always been a combination of toggling LEDs and guesswork with the avr!
[11:08] <mikestir> you can do proper debugging on the avr as well
[11:08] <jonsowman> yes... the debugger's aren't exactly cheap though
[11:08] <jonsowman> I suppose an avr dragon is about £35
[11:08] <jonsowman> but still
[11:08] <mikestir> I got a free dragon from somewhere
[11:09] <mikestir> had that working in gdb ok
[11:09] <mikestir> it's no jlink though
[11:09] <jonsowman> yeah
[11:09] <jonsowman> and those are £lots?
[11:09] <mikestir> no there's a hobbyist jlink for about £45
[11:09] <craag_philcrump> oh ok
[11:09] <mikestir> I would highly recommend it for arm (any vendor)
[11:09] <qyx_> huh, buy L1 discovery for $15
[11:09] <qyx_> theres stlinkv2 debugger
[11:09] <qyx_> with SWD
[11:10] <mikestir> the jlink knocks socks off stlink
[11:10] <jonsowman> i think the availability of the arm debuggers (i.e with the disco/nucleo boards) is what might swing it
[11:10] <jonsowman> nobody buys the AVR debuggers
[11:10] <jonsowman> there must be a reason
[11:11] <mikestir> I don't think I've ever had a problem on avr that couldn't be debugging with some LEDs and serial debug - they're sufficiently simple for that
[11:11] <qyx_> even cheap ftdi dongle works in most cases with openocd and gdb
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[11:11] <mikestir> arm based chips are far more complicated and the debugger becomes much more necessary
[11:12] <mikestir> I gave up on openocd because they keep changing the config file format every release
[11:12] <mikestir> it's just not worth the bother when something like the olimex ftdi probe costs the same as a jlink
[11:13] <mikestir> as an entry point the disco boards with the built-in stlink are great though
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[11:20] <Steve_M6SNK> Hi All - had a good time yesterday - looking forward to getting busy
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[11:25] <myier> interesting: on the french wikipedia page for ground plane antennas, it's said that according to maxell's equations, the length of the antenna is shorter by 2% when the conductor is thin and up to 10% larger when a large diameter tube is used for example
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[11:33] <Steve_G0TDJ> 'Afternoon guys - Fantastic day yesterday at the conference. Recovery day today LOL
[11:37] <fsphil> yay
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[11:38] <craag_philcrump> yep awesome to see everyone - thanks Upu!
[11:39] <Steve_G0TDJ> Just been looking for a 3.3v Li-Po solar charger circuit. Anyone have any pointers?
[11:39] <craag_philcrump> Depends how much you want to spend
[11:40] <craag_philcrump> I've used the cheap ebay usb chargers with a 5V panel
[11:40] <Steve_G0TDJ> ;-) The usual...
[11:40] <myier> isn't it 3.7V?
[11:40] <craag_philcrump> ah sorry 3.3
[11:40] <craag_philcrump> you'll need a step-up for that
[11:41] <Steve_G0TDJ> It's to power one of the UKHASNet boards (eventually)
[11:41] <craag_philcrump> What's the 3.3V source?
[11:41] <Steve_G0TDJ> I want to build a self contained solar-powered node I can squirrel away on a roof. I was going to go for a 3.7v LiPo batt
[11:42] <craag_philcrump> Ok - what I've used is 5V solar panel -> cheap usb lipo charger -> lipo -> 3.3V MCP1700 -> node
[11:42] <Steve_G0TDJ> Sounds good
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[11:42] <craag_philcrump> http://www.ukhas.net/wiki/phil_crump_gen2_nodes
[11:43] <Steve_G0TDJ> Cheers Phil, I hadn't found that page yet
[11:43] <craag_philcrump> The wiki is following in ukhas.org.uk's footprints of being a little unorganised :P
[11:44] <Steve_G0TDJ> LOL
[11:44] <Steve_G0TDJ> So you plug the solar panel into the USB socket
[11:44] <craag_philcrump> No, soldr to the pads on either side
[11:45] <Steve_G0TDJ> Oh yeah, got it.
[11:45] <craag_philcrump> I used the 1W panel from squirrellabs on ebay
[11:46] <Steve_G0TDJ> So while theres solar power, the module charges the batt and powers the UKHASNet board, when theres no solar, the batt powers the UKHASnet board
[11:46] <craag_philcrump> yep
[11:46] <Steve_G0TDJ> Cool, nice and simple
[11:47] <craag_philcrump> That's the layout of the sandwich box solar repeater I had yesterday
[11:47] <Steve_G0TDJ> I didn't get around to seeing that sadly
[11:47] <Steve_G0TDJ> http://www.ebay.co.uk/itm/Solar-Panel-Mini-Solar-Cell-5-5v-180ma-1-Watt-1w-95x95mm-/291082116526?pt=UK_Gadgets&hash=item43c5d89dae That the one?
[11:47] <craag_philcrump> It's the one labelled 'P01' on that wiki page
[11:48] <craag_philcrump> Will have been running for 4 months autonomously with reboot tomorrow
[11:48] <craag_philcrump> yep that's the one
[11:48] <Steve_G0TDJ> Coolto both
[11:49] <Steve_G0TDJ> I'll find the usb charger now, I expect theres loads...
[11:49] <Steve_G0TDJ> http://www.ebay.co.uk/itm/Mini-USB-5V-1A-Lithium-Battery-Charging-Module-Lipo-Charger-TP4056-Arduino-A866-/191201885206?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item2c84853c16
[11:49] <Steve_G0TDJ> Nice and cheap!
[11:50] <craag_philcrump> yep that's the one :)
[11:50] <craag_philcrump> It's linear regulation - so not very efficient
[11:50] <Steve_G0TDJ> Great, I'll order a few.
[11:51] <craag_philcrump> but works nicely and will trickle charge very-discharged cells to preserve their life
[11:51] <Steve_G0TDJ> Could you send me over the schematic for your board you gave me when you have a tick please Phil?
[11:51] <craag_philcrump> (just beware your circuit doesn't pull *all* the current in that situation)
[11:51] <Steve_G0TDJ> OK
[11:51] <craag_philcrump> yep will do
[11:52] <Steve_G0TDJ> Cheers, steve (at) projecthab.co.uk
[11:52] Action: craag_philcrump might spend some time tidying it up first
[11:53] <craag_philcrump> also, #ukhasnet ;)
[11:53] <Steve_G0TDJ> LOL As long as it's accurate, I won't mind. I'll probably end up re-drawing it in Eagle anyway
[11:54] <craag_philcrump> https://github.com/philcrump/UKHASnet-avr-sensor
[11:54] <Steve_G0TDJ> Cool - Cheers
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[11:54] <craag_philcrump> Hmm I can't remember what these cryptic 3am filenames mean - WILL clean it up later!
[11:55] <craag_philcrump> bbl
[11:55] <Steve_G0TDJ> OK Thanks
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[11:56] <marcel_> Some pictures of the ALMA flight yesterday: https://www.facebook.com/HABALMA
[11:56] <HA6NN_> HA6NN_ Let me write to myself! :) Who is the other one? HA6NN_
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[12:03] <HA6NN_> To everyone: I have never used an underscore after my callsign! HA6NN_ is an intruder!!!
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[12:03] <Steve_G0TDJ> HA6NN: The underscore is added if you log in with that callsign after you have dropped out, it's automatic
[12:06] <HA6NN> RRR
[12:06] <PE2G> marcel_: Tnx for the pics. Great flight!
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[12:58] <SpeedEvil> http://www.nasa.gov/directorates/spacetech/niac/hohman_atmospheric_breathing.html - in principle interesting propulsion for HABlimps
[13:00] <SpeedEvil> http://www.nasa.gov/content/eternal-flight-as-the-solution-for-x/
[13:00] <SpeedEvil> An investigation into a new mission concept approach to achieve unlimited high altitude long endurance flight to achieve geosynchronous atmospheric satellites for civil missions.
[13:04] <SpeedEvil> Or more directly relevant
[13:04] <SpeedEvil> http://www.nasa.gov/content/10-meter-sub-orbital-large-balloon-reflector-lbr-1/
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[13:11] <Lunar_Lander> hello
[13:12] <SpeedEvil> hey
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[13:31] <tweetBot1> @stratodean: Had a great time at the #ukhas conference yesterday! Thanks to @jamescoxon and @AnthonyStirk for organising. #habtastic
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[13:46] <on4bhm> anyone got source for complete tx/rx with si4463 already on small print with all components?
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[14:30] <Upu> afternoon all
[14:31] <daveake> afternoon one
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[14:35] <Lunar_Lander> hi
[14:36] <Lunar_Lander> how was conference
[14:36] <Lunar_Lander> ?
[14:36] <Upu> tiring
[14:36] <Upu> for some more than others
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[14:39] <Lunar_Lander> ah
[14:39] <Lunar_Lander> I spent the day analyzing ublox comms
[14:39] <Lunar_Lander> that was good :)
[14:40] <craag_philcrump> Great fun Upu - thanks!
[14:40] <Lunar_Lander> :)
[14:40] <craag_philcrump> Get some sleep!
[14:41] <Upu> no problems, yeah I won't be late to bed tonight
[14:42] <Upu> anyone going to amend the wiki on microcontroller select...mattbrezja ?
[14:42] <daveake> hah
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[14:56] <flerbmobile> GB4NYF on 14.263 if anyone wants to call us. Not me operating atm
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[14:57] <mikestir> flerbmobile: I've just come back from GB4LL - it was a bit quiet
[14:58] <flerbmobile> Around 250 probablt
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[15:01] <flerbmobile> On 275
[15:02] <mikestir> nothing heard here
[15:02] <mikestir> the station in orkney was on 263
[15:04] <flerbmobile> Got a cadet here
[15:04] <flerbmobile> Listen out anyway
[15:05] <flerbmobile> You m6eiw?
[15:08] <mikestir> me?
[15:08] <mikestir> m0mks
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[15:09] <flerbmobile> Oh
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[15:51] <chrisstubbs> join #ukhasemf
[15:51] <chrisstubbs> derp
[15:51] <chrisstubbs> also whats the actual channel name? :P
[15:51] <mattbrejza> emfhab
[15:52] <chrisstubbs> Cheers :)
[15:56] <Lunar_Lander> hello
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[16:05] <SA6BSS|2> B--6 back :)
[16:05] <SA6BSS|2> B-66 that is
[16:06] <SA6BSS|2> over Canda this time
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[16:08] <malgar> :)
[16:09] <Geoff-G8DHE-M> Hey !
[16:10] <Geoff-G8DHE-M> back trACK COMING NICELY AS WELL
[16:10] <Geoff-G8DHE-M> Now will b-63 show up as well ?
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[16:11] <Lunar_Lander> hej SA6BSS|2
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[16:12] <tweetBot1> @G8DHE: HAB UPDATE: B-66 has appeared back over Canada for the second time! http://t.co/S3WX0poqoQ #ukhas #hab #hamr
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[16:15] <Lunar_Lander> xD the trace of B-64
[16:15] <Lunar_Lander> hi Mark
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[16:16] <MarkIreland> hi Lunar_Lander
[16:16] <Lunar_Lander> how's life?
[16:17] <MarkIreland> Just got back from the conference!
[16:17] <Lunar_Lander> cool
[16:18] <Lunar_Lander> hope you had a good time
[16:18] <MarkIreland> yeah was great
[16:19] <Lunar_Lander> :)
[16:20] <Upu> should come next year Lunar
[16:21] <Lunar_Lander> yea
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[16:36] <ian_> Engineering on the Jubilee pranged the Plan A, but plan B kicked in and home now . . . ready for that cuppa. Super weekend. Smashing company and ideas galore.
[16:36] <ian_> Thank you to everyone that had a hand in making the weekend what it was.
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[16:45] <alastair_> Did some tests with GoPro Hero3 White edition for battery life
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[16:45] <alastair_> 170-171 minutes - in freezer (-20C) with protective case 167 minutes - in freezer (-20C) without protective case 187-189 minutes - room temperature (+26C) with protective case 186-188 minutes - room temperature (+26C) without protective case
[16:46] <alastair_> cold temp doesn't change much, next I'll test it in a styrofoam box to check if overheating changes much
[16:46] <myier> the camera gets quite hot, it will probably not get that low in a sealed pod with it
[16:47] <alastair_> The lowest time has been 167 minutes, not so bad
[16:47] <Geoff-G8DHE-M> the over heating occours when there isn't sufficent air to remove the heat by convection
[16:48] <alastair_> There probably won't be if I'll have it in a taped styrofoam box.
[16:49] <daveake> There isn't sufficient air at altitude either
[16:49] <alastair_> That's why I want to make tests
[16:49] <daveake> You won't be able to emulate the actual conditions
[16:50] <alastair_> obviously
[16:50] <daveake> So IMO you're better of using other people's experience rather than doing further tests
[16:50] <daveake> tests which won't really tell you anything
[16:51] <alastair_> My tests are specifically for White Edition hero3 recording 720p video at 30 fps.
[16:51] <myier> does the camera detect overheating and shuts down?
[16:51] <alastair_> If anyone has used it specifically, then please let me know
[16:52] <daveake> Your tests don't emulate an actual flight
[16:52] <myier> I think that's the camera we used in the STELLA-1 flight, but with a 1080/30 setting and it did last around 130 minutes
[16:52] <alastair_> I know
[16:52] <myier> in a styrofoam taped box
[16:52] <alastair_> yes, the resolution and fps changes the battery life drastically
[16:52] <myier> it actually stopped recording 2 minutes after explosion, we were quite lucky
[16:53] <alastair_> "HD HERO cameras will automatically shut off if operational temperatures exceed 125 F"
[16:53] <alastair_> http://gopro.com/support/articles/hot-cold-operating-temperatures-camera
[16:54] <alastair_> However, it recorded at much lower temperature than these cameras are advertised to work at, so maybe thats not the case
[16:54] <myier> that's not very high
[16:54] <Dark-Fx> Problem with using them in low temps has to do with humidity
[16:54] <Dark-Fx> inner case might become humid and warm and then condense once the temp is lowered to ambient
[16:55] <daveake> Don't use the case
[16:56] <myier> that can be quite useful as we have seen with ALMA yesterday, the camera landed in water
[16:56] <alastair_> Case doesn't do much, inside gets condensed anyway
[16:56] <daveake> don't land in water
[16:56] <myier> :)
[16:56] <LeoBodnar> thanks for the honey among other things ian_
[16:56] <LeoBodnar> i shall try it right now
[16:57] <alastair_> however, after few minutes the condensation disappears anyway
[16:58] <daveake> not necessarily
[16:58] <LeoBodnar> yummm, very flowery taste! what flowers do they go to?
[16:58] <alastair_> what's better, losing few minutes of your footage or your camera?
[16:58] <MarkIreland> dont fly a go pro with a case on!!
[16:58] <MarkIreland> at least unscrew the lens
[16:58] <alastair_> but yeah, depends on the conditions
[16:58] <MarkIreland> of the case
[16:59] <MarkIreland> will be fog central - we learnt the hard way
[16:59] <MarkIreland> http://www.youtube.com/watch?v=_1rgpJFRp1I vs http://www.youtube.com/watch?v=C7lxiP4aNLY
[17:00] <daveake> alastair_ If you don't want to lose the camera don't fly it. If you do want good images you fly the camera you don't fly the case you take a slightly increased risk of damaging the camera.
[17:00] <daveake> I've lost count of the number of people who have flown cases and then regretted it
[17:00] <MarkIreland> yep
[17:01] <alastair_> daveake, ok. But use better arguments man :/ "dont land it in water", "dont fly it", cmon xD
[17:01] <daveake> I give up
[17:01] <daveake> You're clearly not listening
[17:02] <alastair_> quoting myself, "ok"
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[17:04] <LeoBodnar> don't land in water https://www.facebook.com/HABALMA/photos/pb.509283705884798.-2207520000.1408295050./509290612550774/?type=1&theater
[17:05] <LeoBodnar> don't lose the parachute https://www.facebook.com/HABALMA/photos/pb.509283705884798.-2207520000.1408295050./509289959217506/?type=1&theater
[17:06] <Upu> Fly in a case = ruined images
[17:06] <Upu> fly in a case with the antihumidity strips = 100% guarantee ruined images
[17:07] <alastair_> I'm already convinced, ok.
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[17:07] <Upu> https://www.youtube.com/watch?v=KGLB9-LdpYM&list=UUGkq3Q2JQhN_ChjcPPwAW3A
[17:08] <Upu> I wouldn't send up a GoPro anyway until you've proven your tracker is reliable
[17:08] <alastair_> sure
[17:09] <Upu> that one Leo
[17:09] <Upu> came in hot
[17:09] <Upu> with no parachute :)
[17:09] <alastair_> no parachute? :l
[17:09] <Upu> yeah learning to tie knots should also be on your list
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[17:09] <alastair_> Gopros are really strong
[17:10] <Upu> afk
[17:10] <alastair_> https://www.youtube.com/watch?v=QrxPuk0JefA
[17:10] <alastair_> Unless it lands on rocks or concrete
[17:12] <alastair_> the pig uploaded the video...
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[17:14] <Geoff-G8DHE-M> :-) Not sure that a GoPro would find such a stable flight mode on its way down !
[17:14] <alastair_> Anyway, few people like these guys, http://ourhabproject.com/ , https://www.sparkfun.com/tutorials/180
[17:14] <alastair_> I've talked to even put hand warmers to avoid freezing
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[17:14] <ian_> LeoBodnar: Not at all sure Leo, but as it was a summer honey then Bramble is a high contender.. I think some of it seems to have a slight aniseed taste, but can't quite figure what the source of that is. It's consistent though.
[17:14] <alastair_> I don't believe Gopro will shut down at 50C, so Ill like to do some tests
[17:14] <Lunar_Lander> don't put camera near malfunctioning rocket engine https://twitter.com/CopSub/status/500664066248278017/photo/1
[17:15] <Geoff-G8DHE-M> Without the air the indivudual components tend to overheat, rather than the camera as an overall device.
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[17:16] <Geoff-G8DHE-M> consequently the sensor doesn't measure the haet of critical components merley its own selfheating.
[17:16] <alastair_> ok
[17:17] <alastair_> still would like to know how it affects battery life
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[17:18] <Lunar_Lander> ian_, just a remark there, german supermarkets use to have british weeks and then sell orange, lemon, ginger jam and so on
[17:18] <Lunar_Lander> that is quite good :)
[17:19] <Geoff-G8DHE-M> chat with arko he made a cheap enviromental chamber to try out compnonets at low tempr pressure etc.
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[17:20] <alastair_> how thick rope to use for <400g payload?
[17:20] <Geoff-G8DHE-M> http://arkorobotics.com/blog/
[17:21] <alastair_> cool
[17:21] <Lunar_Lander> the 1mm cord Steve sells is good
[17:21] <Lunar_Lander> http://randomsolutions.co.uk/Random_Aerospace/Stuff.html
[17:21] <Geoff-G8DHE-M> He was at the Conf yesterday, but is travelling around europe the rest of the week
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[17:22] <alastair_> ok, thanks
[17:22] <DL7AD> good evening
[17:23] <Lunar_Lander> hi DL7AD
[17:23] <DL7AD> hi Lunar_Lander :)
[17:23] <Lunar_Lander> how's life?
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[17:23] <DL7AD> still waiting at heathrow airport
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[17:25] <Lunar_Lander> ah
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[17:39] <fsphil> airports are annoying places
[17:47] <Reb-SM0ULC> airports with free wifi are less annoying
[17:48] <fsphil> I just used my mobile
[17:48] <fsphil> but it was very noisy
[17:49] <ScottM85> evening all
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[17:49] <ScottM85> just received my rtlsdr dongle, what software would you recommend using with it?
[17:49] <ScottM85> found this http://www.rtl-sdr.com/big-list-rtl-sdr-supported-software/
[17:50] <Reb-SM0ULC> ScottM85: operating system?
[17:50] <ScottM85> Windows 8
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[17:51] <ScottM85> ok thanks
[17:51] <Reb-SM0ULC> ScottM85: sdrsharp i guess is the easiest to start with
[17:51] <ScottM85> great, will give it a bash
[17:52] <Reb-SM0ULC> ScottM85: includes the zadig package with driver etc
[17:52] <ScottM85> I haven't got a proper antenna yet so I've plugged it into the wall socket to hopefully pick up something, hope it doesn't damage it
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[17:56] <jarod> wall socket... as in the powerlines?
[17:56] <Reb-SM0ULC> :)
[17:56] <Lunar_Lander> or a socket for the roof antenna
[17:56] <Reb-SM0ULC> rtty over 220v
[17:56] <ScottM85> haha no, roof antenna
[17:57] <jarod> [19:52] (ScottM85): I haven't got a proper antenna yet
[17:57] <jarod> [19:56] (ScottM85): haha no, roof antenna
[17:57] <jarod> well...
[17:57] <Lunar_Lander> probably normal UHF TV antenna
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[17:57] <ScottM85> yeah, normal TV antenna
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[17:58] <fsphil> never anything on
[17:58] <ScottM85> from what I understand it should work a bit, just not very well?
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[17:58] <Lunar_Lander> probably no frequency match
[17:59] <mightymik> should work OK for the frequencies it was designed for
[18:00] <ScottM85> well I've picked up a radio station
[18:00] <ScottM85> lol
[18:01] <jarod> that's how we all start :)
[18:01] <ScottM85> 103.792
[18:01] <jarod> 103.8 then :)
[18:01] <ScottM85> haha yeah
[18:01] <jarod> and a tv antenna can do proper reception
[18:01] <ScottM85> this software is amazing
[18:01] <jarod> even for habing :)
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[18:02] <ScottM85> oh cool
[18:02] <jarod> ScottM85: http://x264.nl/dump/sdrsharp-madness.png :)
[18:02] <jarod> http://x264.nl/dump/52-2205/145.725mhz-2014-08-03.png
[18:04] <mfa298> if it's using standard TV coax then you're probably picking up strong radio stations on the coax as much as the antenna
[18:04] <Laurenceb> SDRsharp bug?
[18:04] <Laurenceb> oh thats labelling
[18:04] <jarod> mfa298 nah
[18:04] <Laurenceb> didnt realise it could do that lol
[18:04] <jarod> on a roof, rception works fine even with a tv antenna
[18:05] <jarod> you need rtl-sdr.org plugin though, Laurenceb
[18:05] <Laurenceb> ok
[18:05] <jarod> but they are, suggested: http://sdrsharp.com/#plugins
[18:06] <mfa298> jarod: In the UK the standard TV coax most people have is very good at picking up other signals as well. There's usually more air than copper in the braid
[18:06] <jarod> yes
[18:06] <jarod> but on 3m band the coax wont do much, compared to the antenna
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[18:14] <ian_> Myier, Maxell: GQRX - G for GNU and QRX is the Q code operating signal for "I will call again at/in:". As in QRX 30 - back in 30 minutes.
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[18:53] <Lunar_Lander> https://what-if.xkcd.com/82/
[18:53] <Lunar_Lander> I like the descriptive names for the planets of the inner solar system in the second picture
[18:55] <molo> B-66 is back
[18:56] <molo> crazy
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[19:04] <cm13g09> molo: WAT!?
[19:04] <molo> http://habitat.habhub.org/mobile-tracker/?filter=B-66
[19:04] <molo> over yukon
[19:04] <cm13g09> sigh - LEO!
[19:05] <craag_philcrump> evening cm13g09
[19:05] <cm13g09> evening craag_philcrump
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[19:12] <Geoff-G8DHE-Tab> It came back this afternoon, its already filed the backtrack
[19:14] <cm13g09> Geoff-G8DHE-Tab: I know!?
[19:15] <cm13g09> LeoBodnar: you have a tough one to beat B-66
[19:16] <craag_philcrump> Gotta do the southern hemisphere now
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[19:16] <craag_philcrump> impromptu holiday to madagascar?
[19:18] <Laurenceb> looks like someone turned off the igate
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[19:21] <ScottM85> hi, any idea why my NTX2B would be transmitting to 434.09 instead of 434.125 like it says on it?
[19:21] <ScottM85> is that usual?
[19:22] <Upu> if you just connect it to power with nothing else into it what frequency is it on ?
[19:22] <Upu> the tone
[19:22] <ScottM85> ah right, of course
[19:22] <fsphil> hah, more B's
[19:22] <Upu> you can trim it up and change the channel
[19:22] <mattbrejza> also what are you measuring 434.09 with?
[19:22] <Upu> ah yes that
[19:22] <Upu> lol
[19:22] <ScottM85> the demo code has tone at 100 and then 110, I get it now
[19:22] <Upu> thx mattbrejza
[19:23] <qyx_> Your rtlsdr.
[19:23] <ScottM85> measuring it with SDR#
[19:23] <Upu> btw mattbrejza going to change the wiki µC selection article
[19:23] <Upu> ah ok
[19:23] <Upu> if you're using an RTL dongle
[19:23] <ScottM85> yes
[19:23] <Upu> it WILL be out
[19:23] <mattbrejza> but everyithng i wrote is true :P
[19:23] <Upu> use the NTX2B to calibrate it
[19:24] <Upu> power it up nothing plugged in and calibrate your dongle @ 434.125
[19:24] <ScottM85> ok, gonna do that, thanks
[19:24] <Upu> nps
[19:24] <Upu> there is a offset in SDRSharp
[19:24] <Upu> use that to make it on frequency
[19:24] <craag_philcrump> Stuart didn't directly contradict that line
[19:24] <Upu> lol
[19:24] <craag_philcrump> he just said that $50SAT wasn't complex
[19:24] <Upu> no :)
[19:24] <mattbrejza> its fine for simple stuff
[19:24] <daveake> this is true :)
[19:25] <daveake> Probably
[19:25] <fsphil> so picaxe at this conf. visual basic for 2015?
[19:25] <craag_philcrump> I think we decided it's fine for HAB payloads - but for people trying to learn about uCs with the view to maybe getting a job around it someday - they should really start on something else
[19:26] <mattbrejza> no its not fine for hab payloads :P
[19:26] <daveake> My only issue is that if anyone here wants to recommend PICAXE for HAB, then they should volunteer to do the ensuing support
[19:27] <daveake> GOTO #habpicaxesupport :)
[19:27] <fsphil> GOSUB and never return
[19:27] <ScottM85> great, offset set up, it was 130 ppm out
[19:28] <ScottM85> I had to Google what that meant of course :)
[19:28] <fsphil> 130 is quite a lot
[19:28] <fsphil> all mine are usually around 40ish
[19:28] <fsphil> all mine ... two of them
[19:29] <craag_philcrump> I've got a 110 ppm one
[19:29] <daveake> I think mine is about that
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[19:33] <Upu> mine was way out too
[19:35] <fsphil> must have been lucky
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[19:35] <fsphil> these two where from when they first where starting to be used for sdrs
[19:35] Nick change: Peng_ -> Guest46059
[19:36] <chrisstubbs> fsphil, theres always .net gadgeteer ;)
[19:41] <Lunar_Lander> yesterday I actually looked at how the ubx protocol works
[19:41] <Lunar_Lander> which I didn't do before
[19:41] <Lunar_Lander> :)
[19:41] <Upu> I'm going to guess my weekend was better than yours Lunar :)
[19:41] <Lunar_Lander> :) yea
[19:41] <Lunar_Lander> but I finally followed what you said in your ntx code guide
[19:42] <Lunar_Lander> the thing about understanding what happens
[19:42] <Lunar_Lander> I actually saw a bit of the conference, you explained the ability of a yagi to home in on a signal
[19:43] <fsphil> chrisstubbs: oh man I forgot about that
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[19:45] <chrisstubbs> We had a few for the trial when I was in 6th form. Kinda fun to mess about with but it was a nightmare
[19:48] <craag_philcrump> *cough* SHARP
[19:48] <mfa298> you need something to BLAST that cough with there craag_philcrump
[19:49] <daveake> They had a Real fun Time
[19:49] <Lunar_Lander> :P
[19:50] <craag_philcrump> lol
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[19:51] <mfa298> We should Interrupt this before it gets out of hand
[19:52] <daveake> without delay
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[19:54] <fsphil> now is not the time
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[19:55] <daveake> Poor guys were taken to task at the time
[19:55] <chrisstubbs> can we please break out of these pun routines?
[19:56] <mfa298> you mean GOTO NOPUNS?
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[19:57] <LeoBodnar> i did not catch that
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[20:11] <arko> What an awesome conf :)
[20:12] <Upu> yolo
[20:12] <jonsowman> :D
[20:12] <arko> Was awesome to see you all again
[20:12] <jonsowman> good to meet you arko :D
[20:12] <Upu> indeed
[20:12] <jonsowman> finally
[20:12] <arko> jonsowman, i realized that after the fact!!
[20:12] <arko> You werent there last year
[20:12] <ian_> Thanks for the comment LunarLander.
[20:12] <jonsowman> nope
[20:12] <jonsowman> was in spain
[20:12] <jonsowman> heh
[20:13] <arko> Was good to finally meet :)
[20:13] <KA1QW_> ntx code guide? Where may I find that ?
[20:13] <Upu> Really enjoyed it though it was a little busy
[20:13] <Upu> hi KA1QW
[20:13] <ian_> You all looked slightly different from your typed images on the channel :) Good to put the faces to the names. had super time.
[20:13] <Upu> thx for the honey
[20:14] <Upu> btw did anyone try Toms sausage ?
[20:14] <Upu> (no sniggering)
[20:14] <chrisstubbs> yes
[20:14] <chrisstubbs> lol
[20:14] <Upu> it was very nice
[20:14] <chrisstubbs> It was indeed
[20:14] <ian_> Look forward to your appraisal as you hit the bottom of the jar. I had a pal took ages to eat a pound. Obviously wasn't trying.
[20:14] <Upu> You will have feedback Ian :)
[20:15] <Upu> jsut got to finish the Tescos stuff first
[20:15] <ian_> Just what your porridge wanted
[20:15] <arko> The sausage was ace
[20:16] <fsphil> I'm going to have a bit of honey on toast tonight
[20:16] <Upu> anyway I enjoyed the talks if anyone has any feed back on what we got right, what we got wrong mail me very happy to hear it
[20:16] <ian_> Oh, read the the Tescos label - a blend of EC and non-EC Honeys . . . = Chinese! I like to think of myself as a non-profit (not by choice) gotta do sales 101 sometime, but so many other distractions.
[20:17] <Upu> says English Set :)
[20:17] <ian_> For toast you need a soft set honey that you can stack properly. runny . . . well runs. Spreads as far a goowill though.
[20:17] <ian_> Meanwhile , , , back on topic
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[20:18] <Upu> heh indeed
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[20:20] <Scott85_> Just another question, struggling to get sdr# and fldigi to talk. Is there a way to get them communicating other than out a speaker and into a mic?
[20:20] <Upu> yes
[20:20] <Upu> we were discussing this at the conference
[20:20] <Scott85_> I tried setting input and output to soundmapper?
[20:20] <Upu> ok so traditionally people have used Virtual Audio Cable (VAC) but its ££ ware
[20:21] <Scott85_> alright
[20:21] <Upu> Robin Davies has suggested this
[20:21] <Upu> http://vb-audio.pagesperso-orange.fr/Cable/index.htm
[20:21] <Upu> not tested it
[20:21] <Upu> but feel free to let us know if it worked
[20:21] <KA1QW_> Thank you zeusbot
[20:21] <Scott85_> there must be a better way
[20:21] <mfa298> I think a couple of other people have used thr vb-audio program and it worked (but I can't remember who)
[20:22] <Upu> zeusbot probably says no problems :)
[20:22] <Upu> that is the better way
[20:22] <fsphil> the better way would be a direct link between the SDR program and fldigi. but I don't believe either support this yet
[20:22] <fsphil> certainly not fldigi
[20:22] <Upu> yeah that would be amazing
[20:23] <fsphil> gqrx has an option to send audio out over a udp port
[20:23] <chrisstubbs> Stereo mix is great if your sound card supports it
[20:23] <chrisstubbs> all built in, no faffing
[20:24] <Scott85_> this looks promising http://jackaudio.org/
[20:24] <chrisstubbs> go to the recording tab in "Sound" in control panel (you might need to right click and show disabled devices if you cant see it)
[20:24] <MarkIreland> I wish there was an osx version of sdr#! GQRX is nothing compared to it
[20:24] <mfa298> well after the stm32 workshop there should be some scope to look at writing our own software.
[20:24] <Upu> ah yeah thats the other one
[20:24] <mfa298> although getting from basic principles to code might take some effort
[20:24] <MarkIreland> yeah good point
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[20:36] <Scott85_> yay, got the rtty example working
[20:37] <Lunar_Lander> congratulations :)
[20:37] <Scott85_> that vb-cable app works great
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[20:37] <Scott85_> http://vbaudio.jcedeveloppement.com/Download_CABLE/VBCABLEDriver_Pack42b.zip
[20:37] <F1VJQ> I see B-66 turned up again after a Pacific crossing!
[20:39] <Upu> yup
[20:39] <Upu> back in NWT
[20:40] <F1VJQ> B-64 seems to be somewhat erratic!
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[20:46] <arko> Yessss! Not in los angeles
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[20:46] <F1VJQ> arko they always seem to prefer Canada for a landfall!
[20:46] <arko> Yeah
[20:47] <arko> jcoxon was metioning this the other night
[20:47] <arko> There seem to be pinch off points
[20:47] <arko> Korea, canada
[20:47] <F1VJQ> B-63 must be hiding somewhere, or else it has popped
[20:48] <Lunar_Lander> hi arko
[20:48] <arko> Only more datapoints will tell
[20:48] <Upu> http://earth.nullschool.net/#current/wind/isobaric/250hPa/orthographic=-330.01,91.10,416
[20:48] <Lunar_Lander> how do you find europe?
[20:48] <arko> I dont think b63 popped
[20:48] <F1VJQ> Lunar_Lander just keep flying east!
[20:48] <arko> Lunar, yes!
[20:48] <arko> Its great
[20:48] Nick change: MarkIrel_ -> MarkIreland
[20:48] <Lunar_Lander> :)
[20:48] <Scott85_> do people mostly use rtty or DominoEX for hab?
[20:48] <Lunar_Lander> cool!
[20:48] <arko> Loved ukhas conf
[20:48] <Lunar_Lander> come to Osnabrück xD
[20:49] <fsphil> most are still rtty Scott85_
[20:49] <arko> Hah, theres so much to see
[20:50] <Lunar_Lander> :)
[20:50] <Scott85_> it seems less error prone only having two states?
[20:50] <Scott85_> it's pretty much just binary right?
[20:51] <molo> binary with baudot code
[20:51] <F1VJQ> Domino is far easier to decode with very weak sigs
[20:51] <molo> and still decodes when there is massive drift
[20:52] <fsphil> they're all binary
[20:52] <fsphil> but rtty just sends a single bit at a time
[20:52] <molo> right
[20:52] <fsphil> dominoex sends 4, I think
[20:52] <molo> so what are the odds that B-64 makes it back from the pole?
[20:53] <fsphil> pretty good at this rate!
[20:53] <molo> its been up more than 34 days
[20:53] <molo> altitude is holding relatively well though
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[20:55] <Upu> could get stuck molo
[20:55] <Upu> but hopefully not
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[20:56] <Upu> Dan was telling us about the polar vortex that forms in winter, I assume thats northern hemisphere too ?
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[20:56] <Lunar_Lander> I think so
[20:56] <molo> sounds right.
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[20:56] <DL7AD_mobile> Evening
[20:56] <fsphil> yes
[20:57] <fsphil> *according to wikipedia
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[20:58] <fsphil> http://en.wikipedia.org/wiki/Polar_vortex#mediaviewer/File:Mars_cyclone.jpg
[20:58] <fsphil> nearly related. cyclone on mars!
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[21:00] <Lunar_Lander> yea
[21:00] <Lunar_Lander> what I was trying to do was to undestand what my program was doing in detail
[21:00] <Lunar_Lander> have to admit that I didn't do that completely up to now
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[21:10] <molo> fsphil: that's crazy. never seen that before. I didn't think the atmosphere was dense enough for that.
[21:11] Nick change: SA6BSS|2 -> SA6BSS-Mike
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[21:41] <Upu> hey Sven
[21:41] <Upu> made it home ?
[21:43] <DL7AD_mobile2> Yes niw
[21:43] <DL7AD_mobile2> Now
[21:43] <Upu> cool
[21:43] <Upu> welcome back
[21:44] <Lunar_Lander> hello :)
[21:45] <fsphil> nice to get home
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[21:46] <fsphil> who's doing the PI-CE1 ssdv tests?
[21:52] <Reb-SM0ULC> obvious... UNKNOWN!
[21:52] <Reb-SM0ULC> mm
[21:53] <fsphil> shadowy figures
[21:54] <Geoff-G8DHE-M> daylight at the start, went dark at about 20:30
[21:57] <Reb-SM0ULC> ip-adress?
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[21:58] <Reb-SM0ULC> pic of the day.. our lovely Best Korea, http://www.nasa.gov/sites/default/files/iss038e038300_1.jpg
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[23:02] <DL7AD> evening
[23:02] <DL7AD> / morning
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[23:25] jake___ (439eb37e@gateway/web/freenode/ip.67.158.179.126) joined #highaltitude.
[23:25] <jake___> hello
[23:28] <DL7AD> evening jake___
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[23:29] <jake___> hello
[23:29] <jake___> what country are you from?
[23:32] <DL7AD> germany
[23:32] <DL7AD> recently came back from uk jake___
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[23:50] <jake___> how often do you guys send up balloons?
[23:54] <DL7AD> jake___: every week there are at least one or two
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[23:55] <DL7AD> but most of them are probably already sleeping
[23:55] <jake___> wow! Is there is a specific set of hardware the ground stations need to use to communicate with the balloons?
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[00:00] --- Mon Aug 18 2014