highaltitude.log.20120130

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[00:14] <NigeyS> hibby, i worry about you sometimes!...lol
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[00:19] <hibby> NigeyS: a lot of people are far beyond that stage
[00:20] <NigeyS> :p unless of course my little pony is codewords for porn, you should seek help...........fast lol
[00:20] <hibby> ...
[00:20] <hibby> in that case, never go to reddit.com/r/clopclop
[00:21] <NigeyS> lol ooooooook
[00:22] <hibby> :p
[00:22] <hibby> I'm trolling in a lot of places tonight
[00:22] <natrium42> whazzap my nig
[00:22] <hibby> 'sapnin eggnog
[00:27] <hibby> http://pastebin.com/U8bPSgEv
[00:27] <hibby> I'm such a dick :)
[00:28] <SpeedEvil> http://www.youtube.com/watch?v=VznlDlNPw4Q
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[01:38] <NigeyS> lalala
[01:38] <NigeyS> whos awake then ?
[01:43] <SpeedEvil> I might be.
[01:43] <SpeedEvil> I'm trying to go to sleep - I woke up at 3pm.
[01:43] <SpeedEvil> sleep earlier
[01:44] <Dan-K2VOL> I am
[01:47] <NigeyS> hey hey
[01:47] <NigeyS> i got up at 5pm
[01:47] <NigeyS> server work overnight really sucks :/
[01:48] <hibby> i got up at 11
[01:48] <NigeyS> pm? :o
[01:48] <hibby> but I don't sleep like normal people
[01:48] <hibby> 11am
[01:48] <NigeyS> oh lol
[01:48] <NigeyS> we are nocturnal!
[01:48] <hibby> was I not wittering on about ponies before then?
[01:49] <NigeyS> oh yeah, 10pm that was ... ish
[01:50] <SpeedEvil> http://www.youtube.com/watch?v=cP1ryQFEMXk
[01:51] <NigeyS> haha ponies!!!!
[01:57] <hibby> lol
[02:02] <Darkside> ponies!
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[02:55] <hibby> ponies!
[02:55] <Lunar_Lander> :D
[02:55] <hibby> scottish independence, as told by the taiwanese: http://youtu.be/YiIiXjjEcjE
[02:55] <Dan-K2VOL> KiCad can suck my dick
[02:55] <Lunar_Lander> hey Dan-K2VOL
[02:55] <Dan-K2VOL> hi Kevin
[02:55] <SpeedEvil> I would be in favour of scottish independance, if the people in charge were not asshats.
[02:56] <Lunar_Lander> I just started up Eagle on my machine for the first time after discovering that ubuntu repositories have it
[02:56] <Lunar_Lander> it is version 5.11.0
[02:56] <Lunar_Lander> is that good?
[02:56] <Dan-K2VOL> i have no idea on the version for linux
[02:56] <Lunar_Lander> yes
[02:56] <Dan-K2VOL> eagle sucks less than KiCad, and is widely used
[02:56] <Lunar_Lander> and if it is similar to the windows version?
[02:56] <Lunar_Lander> yea
[02:56] <hibby> I'd be all for it if Scotland didn't run at a ridiculous defecit or it there was an argument other than "freeeedom!" put forward
[02:57] <SpeedEvil> I not ethat london runs at a worse deficit.
[02:57] <SpeedEvil> But anyway.
[02:57] <SpeedEvil> We need to have a sane energy policy.
[02:57] <SpeedEvil> - sane = fission.
[02:57] <Lunar_Lander> yea
[02:57] <hibby> RENEWABLES!
[02:57] <hibby> THEY'RE THE SOLUTION
[02:57] <hibby> :/
[02:57] <Dan-K2VOL> why don't we just get rid of countries and stop all the redundant lawmaking
[02:57] <Lunar_Lander> my physics magazine says, that ITER should see first fire in 2019
[02:58] <SpeedEvil> ITER is interesting.
[02:58] <Lunar_Lander> and then, in 2027 they'll use the first Deuterium-Tritium-Plasma
[02:58] <SpeedEvil> But it's gonna be at least a couple of decades from that - really optimistically - till it's commercialised.
[02:58] <Lunar_Lander> yea
[02:58] <Lunar_Lander> and they'd better use a lithium-free option, as I understood it, as lithium would run out one day
[02:59] <Lunar_Lander> but a Deuterium-Deuterium reaction could be fuelled forever
[02:59] <SpeedEvil> Lithium is common enough it's not meaningfully running out.
[02:59] <Lunar_Lander> oh ok
[02:59] <SpeedEvil> There is slight concern about its use in batteries.
[02:59] <Lunar_Lander> yea
[02:59] <hibby> time for bed, meeting at 10am :/
[02:59] <Lunar_Lander> what I didn't get
[02:59] <SpeedEvil> As the known world resources are not up to everyone having an E-car
[02:59] <Lunar_Lander> when I fuse two hydrogens
[02:59] <Lunar_Lander> I get a two proton nucleus
[02:59] <Lunar_Lander> but helium has two more neutrons
[03:00] <Lunar_Lander> or does the sun fuse four and then there is a beta+ decay
[03:00] <Lunar_Lander> also, D+T in 2027
[03:00] <Lunar_Lander> that is 1p, 1n + 1p, 2n
[03:01] <Lunar_Lander> 2p, 3n
[03:01] <Lunar_Lander> Helium-5 then
[03:01] <Lunar_Lander> should be OK
[03:01] <SpeedEvil> http://en.wikipedia.org/wiki/Nuclear_fusion#Astrophysical_reaction_chains
[03:02] <SpeedEvil> http://en.wikipedia.org/wiki/File:FusionintheSun.svg neat
[03:02] <Lunar_Lander> wow I actually predicted something correctly
[03:02] <Lunar_Lander> it fuses two H, beta+ converts one proton
[03:02] <Lunar_Lander> the deuterium is fused with one more H
[03:03] <Lunar_Lander> and out come He+ 2 H
[03:03] <Lunar_Lander> nice
[03:07] <Lunar_Lander> amendment
[03:07] <Lunar_Lander> the deuterium is fused with one more H
[03:07] <Lunar_Lander> and produces Helium-3
[03:08] <Lunar_Lander> so, my Helium-5 from the D+T only has a half life of zeptoseconds
[03:08] <Lunar_Lander> and kicks out neutrons to become Helium-4
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[08:00] <UpuWork> !ping Darkside
[08:01] <UpuWork> http://ava.upuaut.net/files/RFM22B_Back.JPG
[08:01] <UpuWork> http://ava.upuaut.net/files/RFM22B_FRONT.JPG
[08:01] <UpuWork> Brackets turned up for the rotator : http://imagebin.org/196298
[08:01] <UpuWork> quite beefy
[08:02] <Darkside> thanks UpuWork
[08:02] <Darkside> that confirms that my pcb should be fine
[08:06] <UpuWork> nps
[08:15] <Elwell> 03:55 < SpeedEvil> I would be in favour of scottish independance, if the people in charge were not asshats.
[08:16] <Elwell> ^^^ I'd be in favour of many things, if those incharge weren't asshats.
[08:16] <Elwell> well s/in charge/in power/
[08:34] <fsphil> UpuWork, they're not coming apart in a hurry
[08:44] <Darkside> i'm finalising the duplexer design btw
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[08:44] <Darkside> i'll probably send it off for manufacture tonight
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[08:45] <fsphil> hopefully it works -- I guess you can't do any tests at all until you have a finished board?
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[08:46] <Darkside> none at all lol
[08:46] <Darkside> i'm trusting that the microduplexer design is ok
[08:49] <Darkside> the idea behind this PCB is that as well as being a duplexer, it forms the foundation for your antenna
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[09:10] <fsphil> haha, we just received a letter from a legal company, written completely Comic Sans MS
[09:12] <Darkside> ouch
[09:13] <Darkside> ok i think this duplexer design is done
[09:13] <Darkside> might add some pads for variable capacitors...
[09:13] <Darkside> but not sure
[09:15] <Darkside> http://i.imgur.com/hUB6z.jpg
[09:16] <fsphil> it looks so simple
[09:16] <Darkside> because it is pretty simple
[09:17] <fsphil> how much loss will there be on the 70cm side
[09:17] <Darkside> hopefully not much
[09:17] <Darkside> but i'll be measuring that
[09:17] <Darkside> anyway, on the other side is a cross of un-soldermasked pcb, where you can solder on radials for antennas
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[10:30] <cuddykid> uplink works well :D
[10:31] <cuddykid> take a look - http://youtu.be/0i28TMzYp1I
[10:31] <Darkside> cuddykid: the problem is going to be handling drift
[10:31] <Darkside> stick the balloon end in a freezer, then try again
[10:32] <cuddykid> yeah - though each radio module has a temp sensor and temp compensation
[10:32] <Darkside> they still drift
[10:32] <Darkside> by how much, we don't really know
[10:32] <Darkside> jcoxons flight havent gotten high enough to get really cold
[10:32] <cuddykid> I'm not expecting much, just flying them to see
[10:32] <Darkside> your flight will
[10:32] <Darkside> i'd suggest working on uplinking using another radio, like an 817
[10:32] <Darkside> or something
[10:32] <Darkside> see if you can record and play back a low baud-rate OOK packet
[10:33] <cuddykid> Darkside: that's the plan for future flights, however just wanted to see exactly what range can be got out of these easyradios
[10:33] <Darkside> oh, this is an easyradio board
[10:33] <Darkside> not an RFM22?
[10:33] <cuddykid> yeah, easyradios
[10:33] <Darkside> ahhh
[10:33] <Darkside> still, be careful
[10:34] <cuddykid> operating temps rated down to -40
[10:34] <Darkside> what modulation mode does it use?
[10:34] <Darkside> yeah, it'll still drift
[10:34] <cuddykid> rum, not sure, I'll check
[10:35] <cuddykid> not sure - it's their "own" mode
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[10:37] <Darkside> hmm
[10:39] <cuddykid> 12.5Khz bandwith @ 2400 baud
[10:39] <cuddykid> eek lol
[10:39] <SpeedEvil> fsphil: legal letters are fun! I just had a letter from amazon stating that I need to pay south carolina sales tax.
[10:40] <SpeedEvil> fsphil: (Bought a gift for someone from SC, from amazon)
[10:40] <SpeedEvil> As I have severe doubts they'll extradite me for $0.80, it's not getting paid.
[10:40] <cuddykid> lol
[10:41] <daveake> I had court papers once for an unpaid £1,000 bill at a
[10:42] <daveake> garage to service a car. The errant company had the same name as mine, almost, and the soliictors just googled it and found us
[10:42] <daveake> I enjoyed the bit where I called them to told them todo their job properly :)
[10:43] <gonzo_> and the bill you sent for the admin charges to deal with it?
[10:44] <daveake> :)
[10:44] <daveake> Yeah, I googled (properly) and gave them the correct name and address. Should have sent a bill for that :)
[10:47] <gonzo_> once had an argument with bailifs, trying to seize my car. I kept them going for about half an hour before they finally managed to understand that just because a car parked outside a house it didn't mean it belionged to the occupants
[10:47] <daveake> LOL
[10:47] <gonzo_> was a shared drive and I was olny visiting
[10:48] <gonzo_> was good entertainment
[10:48] <daveake> There's also a healthcare company with a similar name to mine, and sometimes directory enquiries give out my number not theres. So I get old biddies wanting their mobility scooters fixed ...
[10:48] <daveake> ... they're usually a bit slow to understand they got the wrong number, so they then call back in the hope I've changed to someone who can help.
[10:49] <SpeedEvil> Disability equipment is depressing.
[10:49] <SpeedEvil> It would be so much more appropriate to be using LiFePO4 cells
[10:49] <daveake> lol
[10:49] <SpeedEvil> In many cases, so carers can lift the chair more easily.
[10:50] <daveake> I thought you meant, "ti give them LiFe"
[10:50] <daveake> to
[10:50] <gonzo_> hehe, I lodged at a place once, and tghe phone number was reallocated from a hairdresseds that went bust. Used to have biddies trying to book a hair do. And just the same, would not accept that we were not a hair dressers. Some were quite indingnant about it
[10:51] <SpeedEvil> Alas, I'm rather burned out on the humor of the whole thing, having read way too much on the subject this year.
[10:51] <gonzo_> eventually we just started taking bookings. it was the easiest way of getting rid of them
[10:51] <daveake> Yeah, I try my best to help, like giving them the correct number to call, but sometimes they're not listening.
[10:53] <gonzo_> 'don't you tell me I have the werong number , Young man!'
[10:55] <daveake> But it's nice being called "young" :)
[10:56] <gonzo_> hehe, well I WAS then.
[10:57] <gonzo_> did the launch happen over the weekend. I've been out of the loop a bit
[10:57] <daveake> No - cancelled because the prediction remained very wet indeed
[10:57] <daveake> Would have landed between France and the Isle of Wight
[10:57] <daveake> Next Saturday is looking better
[10:57] <eroomde> #whoops
[10:58] <gonzo_> rgr, not good as you want the cams back
[10:58] <gonzo_> you have a predicvtion handy?
[10:58] <daveake> Indeed. If it was an altitude attempt or something else with a light payload then I wouldn't care
[10:59] <daveake> https://fbcdn-sphotos-a.akamaihd.net/hphotos-ak-ash4/s320x320/425782_10150519819032654_695937653_8770161_1504892376_n.jpg
[10:59] <daveake> With the inversions it does give me some scope to change where it lands
[11:00] <gonzo_> not bad at all. I should be able to give reasonable telem from that
[11:00] <daveake> Early days
[11:01] <daveake> That's with standard figures. My previous flight with same size balloon/payload went to 36km not the default 30km
[11:02] <daveake> Also I'm planning to fly an frm22b soon, as a second payload on that flight and/or as a floater using the balloon that Upu has very kindly sent to me to use up :)
[11:03] <daveake> rfm22b
[11:03] Action: SpeedEvil wonders on the legality of sending methylene chloride via first class post.
[11:03] <UpuWork> and he's not trying to accidentally the record at all
[11:03] <daveake> Would be interesting to float one out into Europe, and increase the Tx power as it leaves our shores
[11:03] <daveake> <cough>
[11:05] <gonzo_> hehe. Those modules have an internal uart etc, so you are stuck with the min baudrate or 100odd baud?
[11:06] <daveake> SpeedEvil I'm thinking about that and what to aim for ... Upu's balloon is a bit old so might not be the best to aim for high altitude with. Also I'm not convinced that lower ascent ==> higher altitude - they tend to float below the altitude they could have achieved with more lift. Buzz2 had quite a high ascent rate whereas Darkside's record had a slow one, and I think there's probably a sweet spot in between
[11:06] <SpeedEvil> There is.
[11:07] <daveake> gonzo_ I'm just using the code that jcoxon developed. It switches frequencies using commands to the module, just like poking high and low values at an NTX2.
[11:07] <daveake> Also navrac has a modified method and I might fly both, with the payload switching between methods every 10 minutes to see what works best
[11:07] <SpeedEvil> You need enough gas so that the displacement anomoly caused by the overpressure of the envelope never ends up meaning you have negative bouyancy.
[11:08] <daveake> Yep, makes sense to me
[11:08] <daveake> I accidentally over-inflated Buzz2. I didn't think it'd get anywhere near the height it did
[11:09] <SpeedEvil> This will - broadly - mean that you get increasing heights for increasing fill, until you get to the point when the balloon bursts
[11:09] <gonzo_> ah, yes I recall seeing something about that on one of the conf presentations (watched online)
[11:09] <gonzo_> The rfm22 that is
[11:10] <SpeedEvil> Then there is the seperate overpressure due to the balloon going inelastic
[11:10] <daveake> I did a simple "drive away till it stops working" test yesterday. It worked at least as well as the NTX2.
[11:10] <gonzo_> the wriiteup in radcom was interesting though. aimed directly at HABers. As it cane out of a conversation I had with the author
[11:10] <daveake> Is that online?
[11:10] <daveake> (for non-members)
[11:11] <gonzo_> don't think so, but I may be able to get permission to rip it.
[11:11] <daveake> :)
[11:12] <LazyLeopard> gonzo_: Which issue of RadCom?
[11:13] <gonzo_> this month
[11:13] <Darkside> what was the writeup about?
[11:13] <gonzo_> actually, if I just mail it out, rather than out it on the group file section, then should be fine. Will do later
[11:14] <gonzo_> it was about using simple IQ modulation using some new chips that minicircuits have released
[11:14] <Darkside> ah ok
[11:15] <gonzo_> would give easy rtty, from a processor, with the future option of better modes
[11:18] <LazyLeopard> Hmmm... By "this month" do you mean the January one that arrived last month, or the February one that arrived this month? ;)
[11:21] <fsphil> would be neat to do QPSK from a payload
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[11:24] <UpuWork> just had a chat with Alpha Micro
[11:24] <UpuWork> if we buy these MAX6's in bulk
[11:24] <UpuWork> they are £12 each
[11:24] <UpuWork> ish
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[11:27] <Darkside> define: bulk
[11:29] <UpuWork> 50
[11:29] <UpuWork> so viable
[11:29] <Darkside> any info on the price break below that?
[11:30] <UpuWork> waiting on prices
[11:30] <UpuWork> I'll let you know
[11:30] <WillDuckworth> i'm in :)
[11:30] <UpuWork> Well might just put it through the company then you can just buy them from here, I won't put any profit on there
[11:31] <UpuWork> I'll see what prices they come back with and let you know
[11:31] <Darkside> cool
[11:31] <gonzo_> fsphil, to do rtty all you need is two audio tones in IQ, and swap the phase of one tone to key it. PSK should be reasonably sumilar (with a little rate limiteing to keep the bandwidth down?)
[11:32] <SpeedEvil> That's PSK, that's not rtty
[11:32] <SpeedEvil> (well - not FSK)
[11:34] <gonzo_> rgr, FSK was what I was describing. Not liooked into psk yet
[11:35] <gonzo_> btw, I brought one of the RS cheap GPS rx http://uk.rs-online.com/web/p/products/704-3307/
[11:35] <gonzo_> not had chance to try it though
[11:35] <gonzo_> but they are pretty cheap, for one off
[11:35] <cuddykid> Upu: what are the MAX6's?
[11:37] <WillDuckworth> smaller than the NEO's ~ 1cm^2
[11:37] <UpuWork> smaller versions of the NEO6
[11:37] <UpuWork> but same pin spitch
[11:37] <UpuWork> pitch
[11:37] <cuddykid> oooh! I'm interested :)
[11:37] <Darkside> http://imgur.com/a/OdHG8 ok there we go
[11:37] <Darkside> i think thats what i'll get fabbed...
[11:37] <cuddykid> definitely count me in for at least 1, probably 2
[11:38] <UpuWork> I'll do a break out with them too
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[11:56] <Darkside> ok, ordered the duplexer pcbs
[11:57] <Darkside> if they work, i'll release the design
[11:59] <NickB1> nice
[11:59] <NickB1> which ic did you use ?
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[12:41] <daveake> Nice payload-build video :-). Note the frequent use of a vacuum ;) http://www.youtube.com/watch?v=Cf0DpFT5XvI
[12:56] <SamSilver> daveake: have you got H2?
[12:57] <daveake> Not as yet
[12:57] <fsphil> I'm interested in seeing how that goes
[12:57] <SamSilver> I will be using H2 - I have a Nomex suit from my flying days that I will be using
[12:57] <daveake> H2 in Buzz would have (just) seen a new world record
[12:57] <fsphil> what I'd really like to know is what extra equipment is needed, other than the tank
[12:58] <SamSilver> don't you have from car racing days?
[12:58] <daveake> me? Never raced. Just done track days.
[12:58] <SamSilver> Oh jeans and takies then?
[12:59] <daveake> yep
[12:59] <daveake> And a helmet of course :)
[12:59] <SamSilver> well you could still wear the helmut ;-P
[12:59] <SamSilver> helmet as well
[12:59] <daveake> open-face; not sure how much use that would be :D
[13:00] <fsphil> gotta protect the hair
[13:00] <daveake> while I still have some :)
[13:08] <griffonbot> Received email: chris.hembrow "Re: [UKHAS] Re: Canadian lego 'spaceman'."
[13:09] <daveake> Maybe I should send up "Space Ted" this weekend then, get some news going :D
[13:09] <LazyLeopard> Heh!
[13:10] <daveake> http://www.amazon.com/Smithsonian-Space-Bear/dp/B004J0MAZA
[13:10] <daveake> Bought one at the Smithsonian last summer :)
[13:12] <fsphil> a Stratobear
[13:12] <daveake> :)
[13:16] <WillDuckworth> seen this shit: http://www.theregister.co.uk/2012/01/30/balloon_warning/
[13:19] <fsphil> "Given that PARIS was the first high-altitude figurine mission"
[13:19] <fsphil> really?
[13:19] <daveake> riiiight
[13:20] <LazyLeopard> Hmmm... I don't think the individual raising the concerns knows much about aircraft engine testing, if he insists "an engine ingesting a large latex sphere could be serious".
[13:21] <fsphil> yea
[13:22] <LazyLeopard> ...compared, say, to it ingesting a dozen starlings, or a goose...
[13:22] <daveake> I heard a story about Rolls Royce testing their engines with frozen chickens which they bought from Harrods ( ! ) .... a guy there was asked "Why do you buy them from Harrods?", and the answer "Because we're Rolls Royce"
[13:24] <Upu> you all got mail
[13:25] <griffonbot> Received email: Anthony Stirk "[UKHAS] uBLOX 6 GPS Modules Proposal"
[13:25] <Upu> ---/\
[13:25] <SpeedEvil> http://www.youtube.com/watch?v=Drxh8kPWY0s&feature=fvsr
[13:25] <SpeedEvil> haha
[13:26] <daveake> Essex? Figures ...
[13:27] <WillDuckworth> Cheers Upu - put me down for 3 (at least)
[13:28] <WillDuckworth> ooo - thos capacitors arrived too - thanks :) :)
[13:28] <WillDuckworth> those
[13:28] <UpuWork> cool thx WillDuckworth I don't expect to sell them all at once
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[13:32] <fsphil> I'll eventually buy a couple, after I use the modules I already have
[13:34] <bowkis> same here
[13:34] <fsphil> lol, they're tiny
[13:34] Nick change: bowkis -> number10
[13:45] <UpuWork> http://imagebin.org/196320
[13:45] <UpuWork> off topic
[13:45] <daveake> lol. Saw that a while ago :)
[13:46] <number10> lol
[13:49] <Randomskk> as usual http://www.snopes.com/politics/military/stabbedmarine.asp
[13:49] <daveake> yeah, shame!
[13:50] <Randomskk> all the best news stories :P it is a terrible shame
[13:50] <Randomskk> one day I'll have to do something completely outrageous but verifiably true
[13:51] <UpuWork> damn did I fall for a internet fake
[13:51] <UpuWork> that doesn't happen much
[13:51] <Randomskk> the event happened, but that paragraph about his extensive injuries is a fabrication
[13:52] <Randomskk> the marines tripped the guy over, he stabbed one of them, they tackled him to the ground along with the store staff and held him there until police arrived, he sustained no serious injury
[13:52] <UpuWork> I prefer the news paper story version
[13:52] <Randomskk> me too
[14:00] <gonzo_> it's a case of , if it's not true, it should be!
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[14:23] <daveake> Just been on to BOC about an account for the H2 ... sounds pretty easy. Doing it over the phone takes them 2 weeks to set up the account! Or I can go to my local depot as usual and do it there straightaway.
[14:24] <Raul_> have you guys seen that canadian HAB video with lego?
[14:25] <Raul_> it got 2 frikin mil views in 6 days
[14:25] <Raul_> and it's shit compared to mine :(
[14:25] <daveake> Yes, but what do you want, good photos/video or fame? :)
[14:26] <Raul_> all, it's stupid that my teachers were like...ooh ok when I showed them my project
[14:26] <Raul_> they are treated like rockstars by their teachers
[14:27] <Raul_> some fame would be ok once in while don't you think?
[14:27] <daveake> A little :)
[14:27] <Raul_> the thing I hate most is when people get praised for something I did 100 times better
[14:28] <SpeedEvil> :/
[14:28] <Raul_> http://www.flickr.com/photos/67036811@N08/6702024209/in/photostream/
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[14:28] <daveake> That so needs a bit of 'shopping :)
[14:29] <fsphil> lol
[14:29] <fsphil> good shot though
[14:29] <daveake> It is.
[14:30] <daveake> I have some carbon fibre line I'll use when I do something similar
[14:30] <fsphil> magnets!
[14:30] <Laurenceb> CGI
[14:30] <x-f> would fishing strings be visible like that?
[14:30] <Raul_> it's HD footage all the way up, you can even see water vapor dripping down on the shuttle
[14:30] <Raul_> in the video you can even here the fishing wire going bam-bam-bam
[14:31] <Raul_> hear^
[14:31] <fsphil> is it online anywhere?
[14:31] <Raul_> I can't afford a 400$ pc to edit it
[14:31] <fsphil> ah just dump it on youtube
[14:31] <Raul_> it's 14GB ~2:10mins
[14:32] <fsphil> or maybe not
[14:32] <fsphil> are the files available anywhere? one of us could edit it probably
[14:32] <Raul_> yes, I sent them to my sponsor's studio for editing
[14:32] <Raul_> it's just that it takes a crapload of time
[14:32] <daveake> Doesn't everyone have their own video editing guy? :p
[14:33] <Raul_> I just hope I get media attention with this news story: the space shuttle flies again!
[14:33] <daveake> Mind you, Andrew has taken 60 monhts so far and he still has 1 video left to finish for my me!
[14:33] <daveake> 6
[14:34] <fsphil> I'm pretty slow adt editing video too
[14:34] <Raul_> I launched it on the 31st of December in the rain and recovered 250km SE
[14:34] <daveake> Raul_ To get media attention, you simply tell them
[14:34] <fsphil> I actually like my launches not getting all that much media attention
[14:34] <daveake> Yep
[14:34] <daveake> Local rag does me, and The Register thing was fun
[14:34] <fsphil> I may send a few pics into the local paper
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[14:35] <daveake> That's what I did
[14:36] <Raul_> I built a jet engine, I got my flight license at 16, I launched a toy into space...yet shitty lego man has ''the right stuff''
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[14:36] <Raul_> Sorry guys, just my huge ego being hurt
[14:37] <Raul_> You guys are pro's in HAB, I just took a 1 month tour into it
[14:37] <daveake> You need no ego and a relaxed, laid back view of life. Like me actually :)
[14:38] <Raul_> well, looks like Mr. Ego is here to stay :)
[14:39] <daveake> When it comes down to it, pretty much anyone who can wield gaffer tape and a sharp knife without losing limbs can send a payload into sp....the stratosphere and get it back using a buy-in-the-shop tracker.
[14:40] <Raul_> Did you know that the record altitude for jet aircraft (Mig-25) is 37 km!!!
[14:41] <daveake> Granted there are plenty of things to find out about and get right - prediction, inflating and tying off, but there's plenty of info around on all these things.
[14:41] <daveake> Jets need oxygen
[14:42] <Elwell> or at least a *lot* of inertia...
[14:42] <daveake> :)
[14:43] <daveake> Then it's a projectile :)
[14:43] <Elwell> pfft thats like splitting hairs over space / stratosphere. oh wait
[14:43] <daveake> :)
[14:53] <fsphil> spaceosphere
[14:59] <LazyLeopard> Send a dinosaur and call it "Stratosaurus Rex".
[15:00] <daveake> Now that I like :)
[15:01] <LazyLeopard> ...and wait for the papers to call it "spaceosaurus" ... :)
[15:01] <fsphil> and you could use another toy story character :)
[15:02] <LazyLeopard> Indeed ;)
[15:02] <daveake> A plan is hatching before me ....
[15:02] <NigelMoby> habosaurus rex :-)
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[15:03] <fsphil> http://smbc.myshopify.com/products/revenge
[15:03] <daveake> Falling in a ball of hydrogen ...
[15:04] <daveake> All I could ever need in 1 purchase ... http://www.ebay.co.uk/itm/4-x-Disney-Toy-Story-Action-Woody-Buzz-Green-Man-Dinosaur-Figure-Set-/220940184302?pt=UK_Toys_Creative_Educational_RL&hash=item33710faaee#ht_6936wt_1163
[15:06] <LazyLeopard> ;)
[15:12] Action: LazyLeopard googles "Stratosaurus Rex"... gets Did you mean: "vastatosaurus rex" ... and also some YouTube... ;)
[15:20] <cuddykid> cracked out the 817 for some testing :P
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[15:29] <number10> you can do some real testing at the weekend if cloud 3 goes up
[15:30] <cuddykid> won't have my radio with me then
[15:30] <cuddykid> :(
[15:31] <daveake> Tsk, what poor planning!
[15:31] <griffonbot> Received email: Richard Frewin "RE: [UKHAS] uBLOX 6 GPS Modules Proposal"
[15:32] <cuddykid> ergh - why oh why doesn't the new configuration file work? decoding to garbage in fldigi - still the same old 8bits, no parity, 1.5 stop, 50 baud
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[15:33] <costyn> cuddykid: garbage in garbage out? :P (sorry couldn't resist)
[15:33] <cuddykid> lol
[15:34] <costyn> cuddykid: dlfldigi config file or ... ? Was muckiing about with the same crap 2 weeks ago, so many things that can go wrong hehe
[15:34] <cuddykid> yeah, not sure why it's not working
[15:34] <cuddykid> just plain annoying
[15:35] <costyn> 1.5 stop bits? sure that's right
[15:35] <costyn> ?
[15:35] <cuddykid> yeah
[15:35] <costyn> have you listened to the audio? are you hearing it modulate?
[15:35] <cuddykid> my old config file used to work - now the new one doesn't
[15:35] <cuddykid> yep - sounds fine
[15:35] <cuddykid> http://www.robertharrison.org/listen/habe1.xml is my old one - dunno where the new one is kept
[15:36] <griffonbot> Received email: mrbud1972@live.co.uk "Re: [UKHAS] uBLOX 6 GPS Modules Proposal"
[15:36] <costyn> I was listening to slightly the wrong frequency for a whle and was getting only 1 line in dlfldigi, you are getting 2lines?
[15:36] <cuddykid> yep - all as normal
[15:36] <costyn> have you tried the Rv button?
[15:36] <cuddykid> just decoding to garbage
[15:36] <cuddykid> getting the very first $ but that's it
[15:37] <cuddykid> $É&Pâä0LìC¯
[15:37] <cuddykid> ^ is what I'm getting repeatedly
[15:37] <costyn> ah... a pattern of garbage, haven't see that (yet)
[15:37] <cuddykid> yep
[15:37] <costyn> well I don't have any more ideas sorry :)
[15:38] <cuddykid> no probs :)
[15:38] <daveake> Try returning
[15:38] <daveake> retuning even
[15:38] <number10> also occasionally I have had to reboot fldigi on windows
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[15:42] <costyn> can someone explain the black scale? http://ukhas.org.uk/_media/guides:dlfldigi2.jpeg it's the frequency, but what frequency? and is tuning to one better than tuning to another?
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[15:43] <costyn> or is it the difference in the signal?
[15:44] <cuddykid> nothing - tried rebooting, Upu's recommendation of pressing Rv, resetting, retuning - still garbage
[15:44] <cuddykid> ergh
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[15:44] <daveake> cuddykid Grab some audio and upload I'll see if I can decode
[15:45] <cuddykid> will do :)
[15:45] <daveake> And post the baud rate etc
[15:45] <cuddykid> shift - 600, baud - 50, 8 bits, no parity, 1.5 stop bits
[15:47] <WillDuckworth> i found one time that i had to have the 'nointerrupts' set when transmitting (for some reason i had it commented out)
[15:47] <WillDuckworth> then the decode worked better
[15:47] <cuddykid> where's that WillDuckworth?
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[15:50] <costyn> WillDuckworth: why is it better to use or not use nointerrupts?
[15:50] <WillDuckworth> for the timing - trying to find example code from jcoxon/rjharrison
[15:51] <costyn> WillDuckworth: yes, I saw it there, but wasn't sure what it actually did
[15:51] <daveake> Weird new Arduino - http://www.ebay.co.uk/itm/Arduino-New-Version-Pro-Mini-328-Kit-Package-/280787391601?pt=LH_DefaultDomain_0&hash=item41603b9471#ht_4529wt_1163
[15:51] <costyn> daveake: eek!
[15:51] <daveake> An interrupt could affect the timing
[15:52] <costyn> ok, so you switch off interrupts and it sends the bit uninterrupted :)
[15:52] <fsphil> beware, you may actually be using interrupts
[15:53] <daveake> Indeed. For the uart probably
[15:53] <cuddykid> I don't have any interrupts in my code
[15:53] <daveake> You don't have to
[15:53] <cuddykid> haven't changed the radio bit of the code at all
[15:53] <daveake> In that case it won't be the code :)
[15:54] <WillDuckworth> baud rate correct?
[15:54] <cuddykid> yep
[15:54] <cuddykid> just uploading a recording :)
[15:54] <daveake> upload ready yet?
[15:54] <daveake> ah
[15:55] <cuddykid> trying to work out how to get a link to dropbox folder :S
[15:55] <daveake> Put it in dropbox\public, right-click the file, choose "Get public link"
[15:55] <costyn> daveake: looks like a nice ebay shop. never understood how those chinese can sell stuff cheaply without any shipping, and yet here in Europe we pay outrageous shiping fees. And ordering from the other side of the atlantic is completely nuts
[15:56] <cuddykid> daveake: http://db.tt/E0gz1ynC
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[16:05] <daveake> ping fsphil
[16:05] <fsphil> pong daveake
[16:06] <daveake> Remind me...what is that one wv format that dl-fldigi works with?
[16:06] <fsphil> (ish)
[16:06] <daveake> wav
[16:06] <fsphil> 8000hz, 16-bit mono
[16:06] <daveake> tvm
[16:07] <daveake> cuddykid Sorry, could you upload the original wav file please. Having trouble converting back from mp3 to the right type of wav
[16:07] <cuddykid> oh, didn't record as a wav, did it in garageband then exported as mp3
[16:08] <daveake> dlfldigi File --> Capture
[16:08] <daveake> hold on tho
[16:08] <cuddykid> oooh, will try
[16:08] <daveake> plz
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[16:09] <SamSilver> SpeedEvil: off topic > http://www.gizmag.com/chip-house-solar-energy-xbox-kinect/21254/
[16:10] <cuddykid> daveake: http://dl.dropbox.com/u/901991/RTTY-HABE2.wav :)
[16:15] <daveake> And what have you changed bwteen when it worked and now?
[16:16] <cuddykid> the config file - used to use http://www.robertharrison.org/listen/habe1.xml and it worked great
[16:16] <daveake> But I'm not using any config file ....
[16:17] <daveake> ... and that file is for interpreting the uploaded sentences. That's a step beyond this problem, which is that it isn't decoding the rtty at all
[16:18] <cuddykid> ahh
[16:18] <cuddykid> :S
[16:18] <daveake> So, what in the payload has changed?
[16:18] <cuddykid> none of the radio code has changed
[16:18] <daveake> And did you try retuning?
[16:19] <daveake> And are you still close to running out of memory?
[16:19] <cuddykid> up and down?
[16:19] <cuddykid> yeah, I guess I'm fairly near mem limit
[16:19] <cuddykid> though I have taken a lot of serial prints out
[16:21] <cuddykid> I'm not using an aerial
[16:21] <daveake> I can tell, but it's not that :)
[16:22] <cuddykid> lol - just smelt a burning smell - only to find it was my cutdown heating up as my gps location is in the "cut down zone" and it has been set number of mins since startup :P
[16:22] <cuddykid> at least that works!
[16:23] <daveake> "Hobbyist burns down university lab, but declares "It's OK, at least my code worked"
[16:24] <cuddykid> lol
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[16:31] <fsphil> hmm, chrome just overtook firefox on our site stats
[16:32] <fsphil> am I the only one who thinks it's overrated?
[16:32] <LazyLeopard> nope, but firefox has become a bit bloated...
[16:33] <staylo> Dunno, Firefox has just annoyed the hell out of me with pestering for updates with no visible gain...
[16:33] <zyp> overrated?
[16:34] <WillDuckworth> agreed fsphil
[16:34] <zyp> I don't know about the situation now, but when I changed to chrome a few years ago it was a huge improvement over firefox
[16:35] <zyp> what's better about firefox than chrome?
[16:35] <cuddykid> what - the garbage keeps changing on the waterfall - now it's this repeated -
[16:35] <cuddykid> ÖioÖ$É&Pâä1L$C¯
[16:35] <cuddykid> ÖioÖ
[16:35] <cuddykid> over and over
[16:35] Action: daveake reaches for soapbox
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[16:37] <SamSilver> I feel a mem talk comming on.
[16:37] <cuddykid> lol same
[16:37] <SamSilver> lol
[16:37] Action: daveake puts soapbox away again, knowing that its job is done
[16:38] <cuddykid> how can I cut down lots more though? apart from putting PROGMEM in front of everything?!?
[16:38] <daveake> Remove the SD card stuff.
[16:38] <cuddykid> :'(
[16:38] <daveake> Or use a Mega
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[16:38] <cuddykid> Might hook up 2 atmega328s
[16:38] <daveake> Or put the SD stuff on its own board (or of course you can buy just that)
[16:39] <fsphil> how big is the SD stuff?
[16:39] <daveake> Last comment on memory - you can't ignore the problem (assuming that's what it is, which seems very likely). It'll just keep coming back to bite you.
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[16:41] <cuddykid> fsphil: only a few lines, but I think the library is huge and sluggish
[16:41] <daveake> Sounds like me
[16:41] <cuddykid> dear dear, wish if they would just add more ram to the damn thing!
[16:41] <cuddykid> lol
[16:41] <cuddykid> &so wasteful coders like me will be fine :D
[16:42] <fsphil> I'd love more ram
[16:42] <fsphil> I shall send a nice letter to atmel
[16:42] <daveake> You're doing what I did on cloud1 ... add everything and the kitchen sink.
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[16:42] <cuddykid> daveake: removed SD line (the initialisation) and still problem
[16:43] <daveake> The last bit for me was NSS and talking to a phone.
[16:43] <fsphil> perhaps if you get rid of the FAT filesystem stuff, and write to the SD card directly
[16:43] <daveake> No, remove the library - the sd.h bit
[16:43] <daveake> fsphil Yes
[16:43] <fsphil> but yea, for testing remove it entirely
[16:45] <fsphil> hope you're making regular backups :)
[16:45] <daveake> :)
[16:45] <cuddykid> yep :)
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[16:46] <cuddykid> right - removed every SD bit - time to test
[16:46] <WillDuckworth> if that still doesn't work; try the noInterrupts(); before the txString part, then interrupts(); after transmission
[16:46] <daveake> I use a thinkg called AJC backup which monitors for file changes, and keeps the last n versions. Quite a neat little thing.
[16:47] <cuddykid> nope daveake, same old garbage
[16:48] <daveake> Load up the code for when it worked then
[16:48] <cuddykid> exactly the same repeated rubbish as before (1st garbage, not 2nd)
[16:48] <fsphil> are you sure it's 8-bit?
[16:48] <cuddykid> yep
[16:51] <cuddykid> It's not my radio is it? It says VFOa in top left - can't remember whether that's right or not
[16:52] <fsphil> that's fine
[16:52] <cuddykid> loading up my old code
[16:53] <fsphil> the wav file doesn't sound all that good
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[16:54] <daveake> No, sounds rather different to my payload here
[17:02] <cuddykid> no luck at all - my old code is producing the same rubbish!
[17:02] <cuddykid> so, not memory this time, must be something else :S
[17:02] <daveake> No, that's good luck :)
[17:03] <cuddykid> :)
[17:03] <fsphil> hardware glitch
[17:03] <cuddykid> It shouldn't be to do with the fact that I'm only using a tiny antenna (old coax chopped after ~4cm)
[17:03] <fsphil> this is where a scope comes in handy
[17:03] <fsphil> nah, I've used no antenna and got a good decode from half way down the street
[17:03] <daveake> Most of my testing last few days has been with no antenna
[17:05] <cuddykid> but the audio coming through is certainly modulating
[17:05] <cuddykid> sounds okish
[17:05] <WillDuckworth> reverse?
[17:05] <daveake> Tried that
[17:05] <cuddykid> yeah, tried that too
[17:05] <WillDuckworth> odd eh
[17:05] <cuddykid> yup :S
[17:06] <cuddykid> easy radio is running off the same 5V supply, but 1) it's on a different frequency and 2) it shouldn't be transmitting atm
[17:07] <cuddykid> wahhhhh :S - I just went to make a call and down the end of the phone was radio noise
[17:08] <fsphil> it doesn't sound 'clean' for lack of a better term
[17:08] <cuddykid> why was my phone picking it up? :S
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[17:08] <cuddykid> sounded like an old dial up modem lol
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[17:11] <cuddykid> just unplugged cable and listened to it straight from radio - sounds very clear to me
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[17:12] <fsphil> is the radio running of battery?
[17:12] <fsphil> could there be a ground loop?
[17:12] <cuddykid> plugged into wall
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[17:20] <cuddykid> any other ideas?
[17:20] <cuddykid> radio is displaying: VFOb USB
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[17:26] <cuddykid> surely the fact that I was getting repeated garbage is something to do with decoding (well.. more likely to do with decoding)
[17:26] <cuddykid> ?
[17:26] <cuddykid> the repeated garbage pattern keeps varying too :S
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[17:33] <Laurenceb> any launches coming up?
[17:33] Action: Laurenceb getting bored
[17:33] <daveake> I'm trying :)
[17:33] <cuddykid> same, but so may hurdles :P
[17:34] <cuddykid> and now the main thing that I thought was a dead cert has decided to go kaput on me
[17:34] <cuddykid> :(
[17:34] <daveake> Should be OK for this weekend, flying with 2 payloads
[17:34] <Laurenceb> cool, good luck
[17:34] <griffonbot> Received email: martin bud "[UKHAS] Re:"
[17:35] <daveake> And I think jcoxon is flying the following weekend
[17:35] <daveake> And it some point soon I'm hoping to try floating an rfm22 over Europe, winds permitting
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[17:37] <daveake> Re that mailing list email ^^ a few lines, it has nothing but a strange link which gives me "resistances.org contains malware"
[17:37] <Laurenceb> erm is that spam on the mailing list?
[17:38] <daveake> Yep
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[17:38] <daveake> Looks like
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[17:40] <Laurenceb> deletion time
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[17:56] <Upu> yeah
[17:56] <Upu> just delete it
[17:56] <Upu> someone has a virus or something I suspect
[17:58] <W0OTM> Howdy
[18:00] <griffonbot> Received email: James Coxon "Re: [UKHAS] Re:"
[18:05] <griffonbot> Received email: navrac "[UKHAS] Re: uBLOX 6 GPS Modules Proposal"
[18:06] NigeyS (~Nigel@cpc5-cdif13-2-0-cust232.5-1.cable.virginmedia.com) joined #highaltitude.
[18:12] <griffonbot> Received email: David Akerman "Re: [UKHAS] Re: uBLOX 6 GPS Modules Proposal"
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[18:20] Upu (~Upu@2a00:14f0:e028::2) left irc:
[18:23] Upu (~Upu@2a00:14f0:e028::2) joined #highaltitude.
[18:28] <griffonbot> Received email: Chris Hembrow "Re: [UKHAS] Re:"
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[18:51] <SpeedEvil> http://www.dailytelegraph.com.au/news/weird/gordon-ramsays-dwarf-porn-double-found-dead-in-a-badger-den-in-wales/story-e6frev20-1226137951576
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[19:21] <fsphil> ooh impending launches. been a while!
[19:22] <SpeedEvil> :)
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[20:10] Nick change: daveake_ -> daveake
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[20:16] <jcoxon> evening all
[20:17] <fsphil> hiya jcoxon
[20:17] <jcoxon> grrr this Spot thing is driving me mad
[20:18] <jcoxon> all related to the fact that you need such a good view of the sky
[20:18] <jcoxon> makes it really hard t otest
[20:20] <jcoxon> aside: http://www.w5acm.net/b28.html
[20:20] <cuddykid> nice - http://news.sky.com/home/uk-news/article/16159274
[20:22] <cuddykid> jcoxon: not sure whether you'd be able to shed any light on the weird issue I'm facing - using old (proven to work) radio code, exactly the same radio setup as I flew (hasn't been changed at all) - yet the clear modulation received just decodes into a repeated garbage pattern - the repeated garbage pattern also changes each time board is powered on! :S
[20:23] <cuddykid> everything like baud, parity etc has been doubled checked and others have tried to decode but unsuccessful
[20:23] <jcoxon> sounds like the baud rate has changed a bit
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[20:25] <SpeedEvil> cuddykid: I'd check it by eye
[20:25] <SpeedEvil> Transmit a few known patterns, look on scope
[20:26] <jcoxon> cuddykid, whats your micro?
[20:26] <cuddykid> atmega328
[20:26] <cuddykid> running arduino
[20:26] <jcoxon> on what board?
[20:26] <cuddykid> duemilove
[20:26] <jcoxon> 16mhz?
[20:26] <cuddykid> code hasn't changed
[20:26] <cuddykid> yep
[20:31] <jcoxon> right i'm fed up of getting cold
[20:31] <daveake> cuddykid " the repeated garbage pattern also changes each time board is powered on!", so each time you power it on you get a different pattern, but that pattern then repeats ad infinitum until you restart, or power off/on?
[20:31] Action: jcoxon starts building a wireless serial link
[20:32] <cuddykid> daveake: yep, which is why it's interesting!
[20:32] <daveake> OK, so is the program changing/reloading anything in flash or SD card?
[20:33] <cuddykid> daveake: nothing at all, just running my old flight code (for 1st launch) - no fancy stuff
[20:33] <cuddykid> makes me think there is something wrong with arduino or ntx2
[20:34] <daveake> Does this garbage change on a reset or only on a power cycle?
[20:36] <cuddykid> I'll check
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[20:43] <cuddykid> hmm - perhaps I'm wrong, seems to be random now - though I'm certain it was repetitive earlier - and the patterns changed
[20:43] <cuddykid> will check further after tea and report back
[20:43] <cuddykid> :)
[20:44] <daveake> If you have a scope or logic analyser, have a look at the rtty data (coming out of the processor). Check the timing first, then the patterns.
[20:46] <daveake> Also, you said you're using old known working firmware, but has the hardware changed in any way? And are you using the same radio set the same?
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[21:05] <cuddykid> daveake: I don't have a scope/logic analyser :( and yes, same firmware and same hardware - all I've done is add in an easy radio (on the same 5V supply), swapped old temp sensors for new ones and now have SD card hooked up to arduino (although it's not working as the old code doesn't include any SD stuff)
[21:05] <joph> cuddykid, you can get an LA for 14$ ;)
[21:05] <cuddykid> LA?
[21:06] <joph> logic analyzer
[21:06] <cuddykid> ohh
[21:08] <joph> may you try a soundcard scope
[21:09] <joph> cheap usb soundcard and use it as scope
[21:09] <daveake> cuddykid Disconnecting the EasyRadio sounds like a good step
[21:11] <cuddykid> ahh, It's all soldered up, as it was working before (I believe) - it was ages ago I tested it all. I'll try and do my best to remove it
[21:12] <daveake> Just pop the Vcc line off
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[21:32] Action: cuddykid takes the wire cutters
[21:34] <cuddykid> daveake: nope :(
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[21:38] <cuddykid> http://imageshack.us/photo/my-images/513/screenshot20120130at213.png/
[21:40] <Laurenceb_> looks all greek to me
[21:40] <Laurenceb_> i had an issue with a soundcard that had a glitchy clock once
[21:40] <Laurenceb_> but that was on an acer, not an expensive mac
[21:41] <cuddykid> yeah - that's the repeated pattern
[21:41] <cuddykid> oooo - my mac is playing up a fair bit, let me do a restart
[21:41] <Laurenceb_> soundcard glitches will screw RTTY
[21:41] <Laurenceb_> but not screw up music much
[21:41] <cuddykid> as I say - the modulation from the radio sounds normal
[21:41] <cuddykid> brb
[21:42] <cuddykid> ehh, it will take a while to restart - getting old and slow
[21:42] <Laurenceb_> play some music
[21:42] <Laurenceb_> then get an audiofool to listen
[21:42] <Laurenceb_> they will tell you for sure
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[21:47] <cuddykid> back from the dark ages
[21:47] <Laurenceb_> youll have to burn the macbook battery to stay warm soon
[21:47] <cuddykid> lol
[21:48] <cuddykid> sounds like the whole thing already burning - fan is constantly whirling around on max
[21:49] <cuddykid> it may make sense it being a sound card issue as the recorded audio has a clicking/pulsing sound - which is not heard via radio speaker
[21:49] <cuddykid> and I have had a couple of problems with sound card in the past
[21:49] <Laurenceb_> hmm
[21:49] <Laurenceb_> sounds like clock glitches :S
[21:50] <cuddykid> time to test
[21:50] <cuddykid> nope :(
[21:50] <Laurenceb_> maybe you are overdriving it
[21:51] <Laurenceb_> and saturating the card, or turning on some sort of protection
[21:51] <cuddykid> too many programs open?
[21:52] <Laurenceb_> seems unlikely
[21:54] <daveake> Any chance of decoding or at least recording on a different computer?
[21:55] <cuddykid> not today, I may be able to get a recording tomorrow
[21:55] <cuddykid> fldigi has gone into a freeze for some reason
[21:56] <Laurenceb_> ice age?
[21:56] <Upu> http://imagebin.org/196415 there you go a break out for the Max6
[21:56] <Laurenceb_> hawt
[21:56] <cuddykid> oh I know what - I bet I can record somehow on my iphone
[21:57] <Upu> based on the Sarantel , going to do one based on a surface mount antenna next
[21:57] <daveake> :)
[21:57] <Laurenceb_> or just get a antenova
[21:57] <Upu> nah they are tough to solder and expensive
[21:57] <Laurenceb_> i guess
[21:58] <Laurenceb_> i dont trust it anyway
[21:58] <Laurenceb_> looks like poor reception on small boards
[21:58] <Laurenceb_> tho its very very light
[21:58] <Upu> Max6 + http://www.sparkfun.com/datasheets/GPS/JTI_Antenna-1575AT43A40_2006-09.pdf
[21:58] <Upu> can't be far off
[21:59] <Laurenceb_> holy shit thats good
[21:59] <Laurenceb_> but its unpolarized
[21:59] <Upu> they are only a quid
[21:59] <Upu> omni
[22:00] <Upu> may not work but worth a try
[22:00] <Upu> got to work out how make a 50ohm feed line
[22:00] <Laurenceb_> thats easy
[22:00] <Laurenceb_> just grab a calculator off google
[22:01] <Upu> in theory
[22:01] <Laurenceb_> make sure the pcb fab make the right board :P
[22:01] <Upu> I need to find Er of the PCB's I'm using
[22:01] <Laurenceb_> wrong thickness and you are screwed
[22:01] <Upu> yup
[22:02] <Laurenceb_> you lose 3dB straight off with that antenni
[22:02] <Laurenceb_> as its linear
[22:02] <Laurenceb_> *linearly polarized
[22:02] <Upu> sure but reception generally isn't an issue where we go
[22:02] <Laurenceb_> -2.5 dBi typ. (XZ-V)
[22:02] <Laurenceb_> fail
[22:03] <Upu> yeah its not as good as the Sarantel but if it gets a lock it gets a lock ?
[22:03] <Laurenceb_> hmm i guess
[22:03] <Laurenceb_> unless you are doing UAV
[22:03] <Upu> no this isn't for UAV
[22:03] <zyp> impedance matching doesn't matter very much if the line is very short
[22:03] <Upu> this is for Pico and floaters
[22:04] <Laurenceb_> yeah ive hand soldered GPS coax together and got a lock fine
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[22:09] <Laurenceb_> that antenni isnt too bad actually
[22:10] <Upu> not for £1
[22:16] <Laurenceb_> that+max6 is probably lighter than antenova
[22:16] <Laurenceb_> ooh the datasheets arent NDA any more
[22:16] <Laurenceb_> ublox saw sense
[22:17] <Upu> and a half wit in Yorkshire with a £200 soldering iron can Solder that ublox
[22:17] <Laurenceb_> lol
[22:17] <Upu> all i can do with the Antenova is melt it and probably break it
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[22:23] <cuddykid> If I play back an old recorded rtty (that I know is correct) - would it go via sound card? I don't think it would :/
[22:28] <daveake> no
[22:29] <daveake> You can configure and run dlfldigi without having a sound card
[22:35] <cuddykid> action plan - I'm going to try and get a recording of it from another computer, that should narrow the problem down then
[22:40] <cuddykid> failing that, I'll hook up the other ntx2 I have on breadboard and listen in
[22:47] <Laurenceb_> id check and double check the timing
[22:47] <Laurenceb_> then maybe take a look in audacity
[22:47] <Laurenceb_> failing that its probably your soundcard
[22:47] <Laurenceb_> i gave up on getting my acer to work
[22:48] <cuddykid> Laurenceb_: timing? as in baud rate?
[22:48] <Laurenceb_> yes
[22:49] <Laurenceb_> or anything that could cause glitches
[22:49] <cuddykid> certain it's fine - haven't changed any code or hardware
[22:49] <Laurenceb_> like interrupts
[22:49] <Laurenceb_> i see
[22:49] <cuddykid> no interrupts anywhere
[22:49] <Laurenceb_> so what changed since it was working?
[22:49] <cuddykid> just uploaded the very basic - send over rtty "hello world" and that doesn't work
[22:49] <cuddykid> added easy radio, SD card and swapped out temp sensors
[22:49] <Laurenceb_> but it worked before?
[22:50] <cuddykid> but I don't see how any could affect it
[22:50] <cuddykid> Laurenceb_: yeah, it's all still on the same board that flew the first flight
[22:50] <cuddykid> and has been tested so many times
[22:52] <Upu> oo found a new toy
[22:52] <Upu> http://imagebin.org/196425
[22:53] <Upu> EagleUp, takes Eagle and sticks it in Sketchup
[22:53] <cuddykid> nice!
[22:58] <daveake> Oh, the pinkness of it all - http://imgur.com/0uOtM :)
[22:58] <cuddykid> daveake / Upu - looks like we have some pink rivalry :P
[22:59] <daveake> He open-sourced the colour choice :)
[22:59] <cuddykid> haha
[22:59] <Upu> bow before your pink gods humanoids
[22:59] <cuddykid> btw, nice payload boxy thing :)
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[23:02] <daveake> It's for a ~250g camera payload
[23:06] <Upu> thats impressive
[23:08] <daveake> Off the top of my head ... 20g for the poly ball, 16g for my RFM22 tracker, 128g for a Canon A495, 30g for the camera AAs, 31g for 4 AAAs for the tracker, plus aerial and bits of wire.
[23:10] <daveake> Bit left over for glue and filling to stop things moving
[23:15] <Upu> oh you mailed me didn't you
[23:15] <Upu> 1 sec
[23:15] <Upu> not read it yet
[23:15] <daveake> I'm insulted :p
[23:15] <Upu> sorry I do this
[23:15] <Upu> I see the mail on my phone
[23:15] <daveake> np :)
[23:15] <Upu> get distracted think I'll read that
[23:15] <Darkside> Upu: how could you not read his mail!
[23:15] <Upu> then forget
[23:16] <Darkside> you... you.... philestine!
[23:16] <daveake> Ah yeah, I do that ... either reply immediately or it's consigned to what I laughingly call "my memory"
[23:16] <Upu> yeah thats the one!
[23:16] <Upu> lol
[23:17] <Darkside> ffs i am running out of arduinos
[23:17] <UpuWork> Dang I'm working onsite all day Saturday
[23:17] <daveake> Me too ... I've got 1 for dev plus 3 working payloads
[23:18] <daveake> UpuWork :(
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[23:18] <UpuWork> Can't get out of it either
[23:18] <Darkside> i've got an arduino mega which may or may not work
[23:18] <Darkside> better test that..
[23:19] <Upu> Don't worry someone can control my rig
[23:19] <Upu> I best call it a night
[23:19] <daveake> At the mo the forecast is ok for Saturday but not for Sunday. Things may change of course. Sunday is better for 1 or 2 of my helpers
[23:19] <daveake> ok
[23:19] <daveake> nn
[23:19] <Upu> Sunday is better for me :)
[23:19] <Upu> night all
[23:19] <daveake> If both are ok it'll be Sunday
[23:20] <CovBalloon> evening, where is the launch happening this weekend?
[23:20] <Darkside> ok good, i have a working arduino mega
[23:21] <daveake> CovBalloon Between Wantage and Newbury in Berks
[23:22] <CovBalloon> If I can organise it, is it possible to pop along?
[23:22] <daveake> Sure
[23:23] <daveake> Launch time 10am (and last time I actually launched on time!)
[23:24] <daveake> Plan is to meet at my house at 8:30 for bacon butties, then wander down to the launch site at 9am for a 10am launch
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[23:26] <Darkside> FFFFFFFFFFFFFF an arduino isnt going to help me
[23:27] <Darkside> i need 3.3v IO
[23:33] CovBalloon (~CovBalloo@cpc7-cove12-2-0-cust297.3-1.cable.virginmedia.com) left irc:
[23:33] <Darkside> hmm
[23:33] <Darkside> i wonder if the RFM22B can handle 5V io
[23:35] <Darkside> nope it can't
[23:35] <Darkside> VDD + 0.3V...
[23:35] <Darkside> craaap
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[23:38] <Darkside> daveake: what are you wiring up your rfm22bs to?
[23:41] <daveake> Arduino Mini Pro 8MHz/3V3
[23:42] <Darkside> craaaap
[23:42] <Darkside> of course :(
[23:43] <daveake> Saves on all that pesky voltage translation
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[23:55] <MLow> o/
[23:55] <MLow> anyone got experience with the hx1 radio?
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[00:00] --- Tue Jan 31 2012