highaltitude.log.20131022

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[01:05] <DL7AD> good morning!
[01:05] <DL7AD> no i was joking... good night, if somebody is reading me...
[01:05] <craag> A very early morning to you DL7AD !
[01:05] <DL7AD> wow craag :D
[01:06] <DL7AD> good morning to you :D
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[01:06] <DL7AD> craag: in which part of the world are you livin?
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[01:14] <Lunar_Lander> HELLO
[01:15] <Lunar_Lander> xD
[01:16] <DL7AD> Lunar_Lander: guten morgen... und gute nacht ;)
[01:17] <Lunar_Lander> gute nacht :)
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[01:52] <heathkid> gute nacht
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[01:53] <heathkid> Mein Deutsch ist nicht so gut.
[01:54] <heathkid> Ich verstehe viel mehr, als ich sprechen kann.
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[04:05] <BenLTechSat> anywhere to get a radiometrix ntx2 and nrx2 in the united states?
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[04:26] <heathkid> good luck
[04:28] <heathkid> no... you buy from Upu
[04:44] <arko> BenLTechSat: Upu sells them and ships them cheaper/faster than any other source
[04:44] <arko> im in the united states myself :)
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[05:20] <Upu> BenLTechSat Lemos or me
[05:20] <Upu> I'm your cheapest option though
[05:21] <Upu> you don't want the NRX2 though I suspect
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[07:13] <DL7AD> good morning again :)
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[07:18] <DL7AD> everyone still sleeping...
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[07:33] <LeoBodnar> morning
[07:34] <Steve_G0TDJ> Hi Leo :-)
[07:35] <LeoBodnar> Hi Steve
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[07:35] <Steve_G0TDJ> What are you up to?
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[07:36] <Steve_G0TDJ> Hey hey Matthew :-)
[07:37] <ibanezmatt13> morning Steve :)
[07:37] <LeoBodnar> Not much, looking at weather mostly.
[07:37] <Steve_G0TDJ> Yeah, not great....
[07:37] <Steve_G0TDJ> I'm considering an addition to the VAYU pcb - a power switch
[07:39] <ibanezmatt13> Has anybody got any experience with a sht11 sensor?
[07:39] <Steve_G0TDJ> No, sorry, but I'm interested to know what it senses
[07:39] <ibanezmatt13> ttmp/humidity
[07:39] <ibanezmatt13> temp*
[07:40] <Steve_G0TDJ> Neat. Is it SCL or something?
[07:40] <ibanezmatt13> well
[07:40] <ibanezmatt13> I2Cish
[07:40] <ibanezmatt13> it's got a data line and clock line
[07:40] <ibanezmatt13> but it's not compliant with the i2c protocol, which is a PITA
[07:40] <Steve_G0TDJ> Yeah, that's what I meant, I've only scratched the surface with it
[07:41] <Steve_G0TDJ> Have you got the datasheet?
[07:41] <ibanezmatt13> It's really frustrating me
[07:41] <ibanezmatt13> Apparently, my room is like the Alaskan tundra
[07:41] <ibanezmatt13> -40 degrees C, -18% Humidity
[07:42] <Steve_G0TDJ> Cold? Lots of ice? Any bears? :-)
[07:42] <ibanezmatt13> Yep, lots of all of them
[07:42] <ibanezmatt13> in my brain
[07:42] <Steve_G0TDJ> LOL
[07:42] <ibanezmatt13> So yes, there's even a library dedicated to the sht11 that's on the Arduino website, even that doesn't work!
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[07:43] <Steve_G0TDJ> Just a guess, is there some sort of calibration point? So you need to count from that, not just the values coming out
[07:43] <ibanezmatt13> I believe this so called library does it all for you
[07:43] <Steve_G0TDJ> Have you got a component you can substitute in case it's a duff one?
[07:43] <ibanezmatt13> but it says it returns -40 for temp and negative humdidity in the event of a communication error
[07:44] <Steve_G0TDJ> Well that's a start.
[07:44] <ibanezmatt13> There are a few on Google who get the same problem and when the re-jig the wiring, it works
[07:44] <Steve_G0TDJ> YOu breadboarding?
[07:44] <ibanezmatt13> nope
[07:44] <ibanezmatt13> pcbing
[07:44] <Steve_G0TDJ> OK
[07:44] <Steve_G0TDJ> Checked for shorts/dry joints etc.
[07:44] <ibanezmatt13> But I can't see a problem with the schematic I've used after reading the datasheet6
[07:44] <ibanezmatt13> all joints are fine
[07:45] <ibanezmatt13> can't see any shorts
[07:45] <Steve_G0TDJ> Got any other code running at the same time?
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[07:45] <ibanezmatt13> only a function that transmits things over radio
[07:45] <ibanezmatt13> ie, transmits the readings
[07:46] <ibanezmatt13> http://pasteboard.co/G6gMGBP.png
[07:46] <ibanezmatt13> http://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/Humidity/Sensirion_Humidity_SHT1x_Datasheet_V5.pdf
[07:46] <Steve_G0TDJ> Just wondering if it delays the code enough to cause an issue with the link
[07:46] <ibanezmatt13> Well, that's what I'm thinking too
[07:47] <ibanezmatt13> I'd have thought a dedicated library would have been pretty reliable, but maybe not
[07:47] <x-f> i have the DHT11 which is very similar, it didn't want to work on 3v3, was fine with 5v - if you have an arduino, you could try it with that
[07:47] <ibanezmatt13> isn't the DHT11 one wire?
[07:47] <Steve_G0TDJ> YOu have to remember that all the libraries you get online are written by enthusiasts (mostly) and not to insult any of them for their valuable work, quality can vary
[07:47] <ibanezmatt13> yea
[07:48] <ibanezmatt13> I'd rather do it myself, but because it's I2Cish, I can't understand a thing about it
[07:48] <Steve_G0TDJ> Time to learn the protocol :-)
[07:48] <ibanezmatt13> :/
[07:49] <ibanezmatt13> took me ages to sleep last night, I was turning pins high and low in my sleeo :P
[07:49] <ibanezmatt13> sleep*
[07:49] <Steve_G0TDJ> I think x-f might be on to something. Does the datasheet specify 3v3?
[07:49] <ibanezmatt13> it says it works from around 1.75v to 5v
[07:49] <Steve_G0TDJ> LOL YOu really shouldn't let it affect you like that
[07:49] <ibanezmatt13> 2.75*
[07:49] <Steve_G0TDJ> OK
[07:49] <ibanezmatt13> 3v3 is the *ideal* it says
[07:49] <Steve_G0TDJ> What you powering with?
[07:50] <ibanezmatt13> The whole board is powered with Arduino 3v3 port
[07:50] <Steve_G0TDJ> Do you happen to have a PSU handy?
[07:50] <ibanezmatt13> I don't I'm afraid
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[07:50] <ibanezmatt13> But the atmega is working fine, as is the NTX2, ublox etc
[07:51] <Steve_G0TDJ> Essential bit of kit when doing this stuff... I'm wondering if your Arduino is supplying enough juice
[07:51] <ibanezmatt13> I would have thought so, every other component works fine
[07:51] <Steve_G0TDJ> I can't remember what the Arduino is rated at - Anyone?
[07:51] <Steve_G0TDJ> YOu can't assume just cos everything else is OK that the sensor is :-)
[07:52] <ibanezmatt13> 50 mA
[07:52] <ibanezmatt13> limit
[07:52] <Steve_G0TDJ> And the sensor requires?
[07:52] <ibanezmatt13> that might be an issue
[07:52] <ibanezmatt13> one sec
[07:53] <ibanezmatt13> Not sure, but I'm starting to doubt that 50mA is enough for the ENTIRE board
[07:53] <Steve_G0TDJ> That sounds like it's pushing it to me
[07:53] <ibanezmatt13> micro SD, another temp sensor, atmega, ublox, ntx2, etc
[07:53] <Steve_G0TDJ> Yeah and if they are all on linit, the timing would probably suffer
[07:53] <Steve_G0TDJ> limit
[07:54] <ibanezmatt13> mm
[07:54] <ibanezmatt13> I'm trying to think of a PSU I can knock up quickly
[07:54] <Steve_G0TDJ> Got any AAs?
[07:55] <ibanezmatt13> yes and a regulator
[07:55] <ibanezmatt13> but it didn't work when I tried it the opther day
[07:55] <Steve_G0TDJ> I was just going to suggest you solder two AAs in series for about 3v
[07:56] <ibanezmatt13> good idea
[07:56] <Steve_G0TDJ> It's a good idea to tape them together first. Helps hold them while you wire them up
[08:01] <fsphil> would be nice to be able to make a tracker that runs of solar without a regulator
[08:02] <fsphil> the avr would work but the radio would probably drift all over the place, and gps needs a fixed voltage
[08:02] <Steve_G0TDJ> Why do you want to dispense with the regulator?
[08:02] <Steve_G0TDJ> Good Morning BTW
[08:03] <fsphil> saves a tiny bit of power
[08:04] <Steve_G0TDJ> Could you use re-chargabe batts and float-charge them?
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[08:06] <Steve_G0TDJ> Morning Dave
[08:07] <daveake> morning Steve
[08:08] <Steve_G0TDJ> Built the boost regulator on my new PCB yesterday, works with no load. Just waiting for the other parts now.
[08:08] <daveake> cool
[08:08] <ibanezmatt13> Steve_G0TDJ, I think I'll wait until Saturday. On Saturday I'll have the boost regulator setup so I know that I'll have a reliable PSU
[08:09] <Steve_G0TDJ> OK Sure.
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[08:09] <Steve_G0TDJ> I'm quite geting into the SMD soldering thing but I'd like to have a stencil available
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[08:12] <UpuWork> morning ibanezmatt13
[08:12] <UpuWork> I've borrowed your norb board to test the new Sarantel pad s: http://imgur.com/TPeOCFO
[08:12] <UpuWork> :)
[08:12] <ibanezmatt13> wow, awesome :)
[08:13] <Steve_G0TDJ> Cool...
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[08:13] <Steve_G0TDJ> Morning Andy :-)
[08:14] <DL1SGP1> morning evveryone
[08:14] <Steve_G0TDJ> Hey Felix
[08:14] <ibanezmatt13> Morning :0
[08:14] <ibanezmatt13> :
[08:14] <ibanezmatt13> :)
[08:14] <ibanezmatt13> darn keyboard
[08:14] <DL1SGP1> Hey Steve, how's life?
[08:15] <Steve_G0TDJ> Interesting LOL
[08:15] <Steve_G0TDJ> I'm processing images from Sunday in prep to do a blog entry
[08:15] <DL1SGP1> ah keep me posted on that :)
[08:15] <Steve_G0TDJ> Of course
[08:17] <Andrew_M6GTG> Morning Steve
[08:17] <Andrew_M6GTG> Morning all
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[08:19] <DL1SGP1> morning andrew
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[08:26] <nats`> hi
[08:26] <fsphil> morning
[08:27] <x-f> morning
[08:28] <Andrew_M6GTG> Question, for pico foil balloons how do you work out lift and float height?
[08:30] <Steve_G0TDJ> 'We' Dave really, worked out the lift buy hanging balast on the balloon and weighing the difference between supported and unsupported weight
[08:30] <Steve_G0TDJ> As for height, I think that's guesswork :-)
[08:30] <fsphil> phase of the moon sorta stuff
[08:30] <Steve_G0TDJ> Yep
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[08:31] <Andrew_M6GTG> Ok, thats what I thought, it just the wiki only has burst calculator for latex.. thought I was missing something obvious
[08:31] <gonzo_> leo must have some formulea for the foil heights, as we was quoting some max alts a week or so ago
[08:32] <Steve_G0TDJ> There's a graph on the Wiki, Chris pointed me at the page the other day
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[08:32] <Andrew_M6GTG> Steve_G0TDJ: I'll have another look ;-)
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[08:34] <Steve_G0TDJ> Andrew_M6GTG: Here's one bit of it: http://ukhas.org.uk/_detail/projects:microballoons:massvsfloat.png?id=projects%3Amicroballoons%3Adata
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[08:36] <daveake> I see that https://www.google.co.uk/ has an appropriate animation today :)
[08:36] <Steve_G0TDJ> There's a page somewhere with more detail, that graph included. I'm sure of it.
[08:37] <Steve_G0TDJ> Oh yes daveake
[08:37] <daveake> sea landing lol
[08:37] <daveake> oh this is much less stressful than real launches :p
[08:38] <Steve_G0TDJ> 1797? Really that early?
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[08:38] <fsphil> it lands in different places each time
[08:38] <Andrew_M6GTG> brilliant daveake:
[08:38] <fsphil> ah, you can control it
[08:39] <daveake> yes!
[08:39] <fsphil> woo, landed on an elephant
[08:39] <daveake> many hab points for that
[08:39] <fsphil> and now a whale
[08:40] <craag> not so many for that, unless the whale spits the payload onto the beach.
[08:40] <daveake> $MOBYDICK
[08:40] <fsphil> the elephant does appear to be about 20 times bigger than the person
[08:40] <daveake> pigmys
[08:41] <fsphil> it's an oliphant from LOTR
[08:41] <Steve_G0TDJ> "Modern skydiving began with Jacques Garnerin from France and his experiments and public demonstrations in 1797" apparently
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[08:41] <Andrew_M6GTG> whats the frequency? lol
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[08:43] <Steve_G0TDJ> brb
[08:50] <gonzo_> I've not seen any powerlines in the animation
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[08:50] <fsphil> I've not managed to land in a tree
[08:50] <fsphil> it's not very accurate
[08:50] <daveake> Try viewing on a Sony Trinitron
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[08:50] <diegoesep> hello all
[08:51] <diegoesep> I plan to launch a HAB from south of france
[08:51] <diegoesep> and I have a question about the radio transmitters
[08:51] <diegoesep> is the NTX2B 434Mhz allowed here in France? or only 144.8 for APRS is authorized?
[08:52] <diegoesep> my ultimate goal would be to transmit both telemetry (gps,..) and pictures
[08:52] <fsphil> As I understand it (could be wrong) the 434MHz ISM band is allowed EU wide
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[08:53] <gonzo_> nats` is from .fr he may know
[08:53] <diegoesep> ok thank you for your information
[08:54] <fsphil> I'm not sure France allows amateur radio operation from the air either, so you might not have access to 144.800
[08:54] <nats`> 433 is ISM and allowed in europe but for domestic use
[08:54] <fsphil> we never got a clear answer
[08:54] <nats`> I have no idea for HAM
[08:54] <nats`> I though HAM are secondary user on this
[08:54] <UpuWork> France doesn't allow it
[08:54] <UpuWork> we think
[08:54] <UpuWork> the rules are very muddy
[08:54] <diegoesep> what I've seen is that several HAB launched from UK with 434MHZ drift into France airspace, and you never had issues ?
[08:54] <fsphil> yea it's iffy
[08:54] <nats`> basically france doesn't allow anything
[08:55] <UpuWork> I would contact Alain F5AGV
[08:55] <UpuWork> F6AV
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[08:55] <UpuWork> I sent you his mail address via PM diegoesep
[08:55] <UpuWork> ok afk now
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[08:56] <diegoesep> ok thank you very much UpuWork !
[08:56] <nats`> D'autres fréquences peuvent être utilisées dans certains pays, comme défini dans le tableau 1b de la norme EN 55011.
[08:56] <fsphil> if you find out let us know :)
[08:56] <nats`> check EN55011 :)
[08:56] <nats`> the real question is can you transmit from air
[08:56] <fsphil> yea
[08:57] <nats`> because for sure 434 is open in france
[08:57] <fsphil> 434mhz is definitly ok on the ground EU wide
[08:57] <diegoesep> what happen when the UK ballons drift in North of France?
[08:57] <diegoesep> you never had issues?
[08:58] <fsphil> not yet, but the local regulator probably isn't aware of it
[08:58] <fsphil> or doesn't care
[08:59] <diegoesep> ok I see :)
[08:59] <henryplumb> Where can I see a list/calendar of upcoming launches?
[08:59] <nats`> diegoesep normally you should ask any country your balloon MIGHT cross over
[08:59] Nick change: KipK_away -> KipK
[08:59] <nats`> but honnestly.... is it only possible to do :p
[09:00] <nats`> looking at the ARCEP website I found only report telling about opening the 435-438 to HAM because of the HAM satellite
[09:01] <fsphil> what is the french equivilent to OFCOM?
[09:01] <nats`> Lutilisation déquipements radioélectriques à bord dun aéronef peut être soumise à des conditions particulières par les autorités en charge de la réglementation aérienne. A cet effet, lAutorité rappelle quen application de la directive 1999/5/CE, le constructeur doit indiquer les limitations éventuelles applicables à lutilisation des équipements terminaux
[09:01] <nats`> quil met sur le marché. La présente décision ne dispense pas de lobtention préalable de toutes les autorisations nécessaires en matière daviation civile et notamment de sécurité aérienne auprès des autorités nationales dimmatriculation des aéronefs.
[09:01] <nats`> diegoesep for me you need to ask the civil aviation too
[09:02] <nats`> fsphil in fact there are two entities in France ARCEP and ANFR
[09:02] <diegoesep> ok nats
[09:02] <nats`> one is only focused on the band plan assignement
[09:02] <nats`> the other is higher level and handle all the administrativ/commercial aspect
[09:02] <nats`> like GSM operator etc...
[09:03] <fsphil> ah
[09:03] <nats`> http://www.arcep.fr/uploads/tx_gspublication/consult-frequences-service-amateur-151211.pdf
[09:04] <nats`> the ARCEP is the higher level one fixing rules
[09:04] <nats`> and the ANFR is lower level focused on the frequency management
[09:05] <nats`> De plus pour émettre en vol, il faut des dérogations données par l'ARCEP et l'ANFR, et par la DGAC. Là encore seules les personnes connues des autorités peuvent en faire la demande. Ces autorisations ne sont valables que sur le territoire français, il faut faire les mêmes demandes auprès des autorités étrangères si vous dépassez les frontières.
[09:05] <nats`> and voila the answer
[09:05] <nats`> like always in France you need specific autorisation
[09:05] <nats`> from 3 entities -_-
[09:06] <diegoesep> that looks like complicated
[09:06] <nats`> as usual
[09:06] <nats`> http://www.ballons.f1psh.info/index.php?option=com_content&view=section&layout=blog&id=4&Itemid=51&lang=en
[09:07] <nats`> je te conseil de passer par une association ou un HAM qui a déjà eut les autorisations
[09:08] <nats`> la décision n°2008-0841 de lARCEP désignant des bandes de fréquences pour les installations de radioamateurs, fixant les conditions dutilisation des fréquences dans ces bandes et les conditions dutilisation des installations de radioamateurs ;
[09:08] <nats`> larrêté du 30 janvier 2009 relatif aux services damateur.
[09:09] <nats`> oky more recent law autorising it in a balloon but you should read the whole text... because that's fucking complicated
[09:09] <diegoesep> nats thank you for this detailed web apge
[09:09] <nats`> http://www.arcep.fr/uploads/tx_gsavis/08-0841.pdf
[09:09] <diegoesep> I will look at it in detail and UK guys you are lucky!!!
[09:11] <nats`> hey fsphil you know the software for HAM to call anywhere in the world
[09:11] <nats`> I don't remember the name
[09:11] <nats`> someone here talked about it
[09:11] <nats`> it's totally forbidden in France :D
[09:12] <nats`> an HAM station should NEVER be connecte to a public network or to an installation which is not of the HAM category
[09:12] <nats`> literally you can't connect your Transmitter to a computer with Internet :p
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[09:12] <nats`> let me LOL
[09:14] <fsphil> nats`: echolink?
[09:14] <diegoesep> argg :)
[09:14] <nats`> yep echolink
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[09:15] <nats`> alors diegoesep c'est marrant hein :D
[09:16] <diegoesep> nats ca fait peur la paperrase , la chance d'arriver a obtenir toutes les autorisations est proche de 0!
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[09:18] <nats`> http://ballonsolaire.free.fr/legislation.htm tiens il donne de bons conseils
[09:18] <nats`> notemment passer par quelqu'un déjà reconnu a la DGAC
[09:18] <nats`> apparemment ils ont des HAM responsables des contact a l'echelle de la region
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[09:20] <diegoesep> ok ca parait plus raisonnable la :)
[09:22] <nats`> http://f6kgl.f5kff.free.fr/Reglementation.pdf
[09:22] <nats`> et de bonne informations la pour le HAM en general
[09:22] <nats`> notemment l'histoire de connecter la stationa internet
[09:24] <diegoesep> merci nats` je vais regarder tout ca
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[09:30] <ibanezmatt13> off to college
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[09:30] <fsphil> woo
[09:31] <diegoesep> nats`, on http://www.radioamateurs.news.sciencesfrance.fr/?cat=70&paged=2 I can see what frequency they used
[09:31] <diegoesep> some may not be allowed, but that give me an idea too
[09:32] <diegoesep> it looks like 144.XXX is a good candidate
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[09:35] <nats`> yep but the antenna will be big
[09:35] <nats`> the HAM aren't first user for some band in 43XMHz ?
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[09:39] <eroomde> daniel jubb is in da house
[09:39] <nats`> oO
[09:39] <eroomde> various loose items in the workshop have been pulled into orbit around his tache
[09:42] <diegoesep> nats for 434,000 à 440,000 : it is first user but shared
[09:42] <nats`> so if I understand correctly the french legislation it's ok with a simple declaration
[09:42] <diegoesep> maybe that the best choice for my setup? NTX2B at 434?
[09:45] <nats`> I don't know this transceiver
[09:45] <eroomde> best for all setups
[09:45] <nats`> where do you plan to launch your balloon ?
[09:46] <diegoesep> I'm living in Gard
[09:46] <diegoesep> south of France
[09:46] <diegoesep> i'm afraid by the mediterranean sea :p I've done some simulations that looks ok
[09:47] <nats`> Hope it'll go north :D
[09:47] <diegoesep> ;)
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[09:47] <fsphil> you should get some nice photos
[09:47] <nats`> testing my yagi for first time :)
[09:47] <nats`> I usually go near you everyday :)
[09:47] <eroomde> hope you don't lnd in the alps
[09:47] <nats`> in the languedoc roussilon :)
[09:48] <diegoesep> I'm working at montpellier and my home is in gard
[09:48] <diegoesep> 15 km close to nimes
[09:48] <nats`> ok :)
[09:50] <eroomde> i love montpellier
[09:50] <eroomde> spent quite a while there
[09:54] <diegoesep> yes Montpellier is very nice, but too close from the sea for HAB :p
[09:56] <fsphil> not sure that would bother me :)
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[10:07] <gonzo_> as long as the winds are inland, no probs
[10:16] <eroomde> number10, MOTD
[10:16] <eroomde> http://www.youtube.com/watch?v=X7umc3LgHr8
[10:17] <eroomde> one of my favourites.
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[10:25] <number10> cheers eroomde - will listen this afternoon
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[10:46] <Hix> This just popped up on Twitter - can anyone help????
[10:46] <Hix> Snowdon Café @snowdoncafe 1m
[10:46] <Hix> anyone got a clue how to configure cygwin to do x forwarding with Xming [locally]?
[10:46] <Hix> hmm ignore the first two lines
[10:47] <Hix> haven't got a clue what that was
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[10:48] <mfa298> standard unix way of specifying where to display stuff is with -display <ip:port>
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[10:48] <mfa298> or export DISPLAY=<ip:port>
[10:49] <mfa298> although I'm not sure what cygwin does.
[10:49] <mfa298> you might also need to tell (or launch) the X server (Xming) in a way that allows remote things to use it.
[10:50] <mfa298> with X over ssh the ip:port is normally: localhost:10
[10:50] <tweetBot> @daveake: The Register writes up my #raspberry_pi chase car computer http://t.co/ch9ZGTe4fj #UKHAS
[10:50] <mfa298> talking to X nativly it's normally: <ip of display>:0
[10:51] <fsphil> or just :0
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[10:52] <craag> lol daveake, you shut your own site down, theregister seems to be taking over the role of your personal blog now!
[10:52] <craag> *you can
[10:53] Action: mfa298 misses the days when people were naive and you could just run: while true; do xeyes -display <matesmachine>:0; sleep 1; done
[10:53] <daveake> craag :)
[10:54] <Hix> mfa298 its the getting cygwin to use xming at startup that seems to be flummoxing me. Have a 2 hr qtrly review later, good time to do it :D
[10:55] <mfa298> Hix: it might just be a case of having the display varaible set then.
[10:55] <mfa298> been a long time since I've used cygwin.
[10:55] <Hix> been a long time since ive used localhost:0 :)
[10:56] <Hix> used to have great fun at other peoples expense at Ford
[10:58] Nick change: KipK -> KipK_away
[10:58] <fsphil> wonder if xeyes has been ported to wayland yet
[10:58] <fsphil> oh it has
[10:58] <fsphil> well we can delete X now
[10:58] <daveake> :)
[11:00] <eroomde> i heard an amusing thing on the radio
[11:01] <fsphil> wasn't on 2m then?
[11:01] <Hix> ha
[11:02] <mfa298> definetly not on 80m
[11:02] <eroomde> it was daniel baraboim conducting the berlin staatskapelle
[11:02] <daveake> that's a cracker
[11:02] <eroomde> at the end he turned to the audience to announce that the leader of the orchestra was retiring after 28 years or something
[11:03] <eroomde> and explained that the first violist in orchestras was called the leader, except in german orchestras where they're called the konzertmeister
[11:03] <eroomde> because leader doesn't translate so fashionably into german
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[11:08] <Darkside> fuhrer?
[11:08] <eroomde> yes Darkside
[11:10] <daveake> :D
[11:10] <DL1SGP> though we use the term "Fuehrer" in other areas of music like choirs for example... there we have a "Stimmfuehrer" for instance the Stimmfuehrer for the Tenors is the leader of the tenors in the choir
[11:11] <DL1SGP> maybe because Stimmmeister would look too mmmy
[11:11] <eroomde> they're shouty, so that figures
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[11:12] <gonzo_> don't play, just hummmmmmm
[11:13] <eroomde> i wonder if the stimmfuehrer can hit all the heil-notes
[11:14] <DL1SGP> well I will be AFK for a bit for consuming a beverage which I would not define further in the humble respect of eroomde's withdrawal attempt
[11:14] <gonzo_> it's true, I'll hold my hands up to that
[11:14] <eroomde> i actually have been weak
[11:14] <eroomde> i had a very small one on sat
[11:14] <DL1SGP> I heard so :)
[11:15] <gonzo_> (Has the punfest finished, or have you gone on st-reich)
[11:16] <fsphil> we're limiting this one to just nein
[11:17] <gonzo_> (I mentioned it once, but I think I got away with it!)
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[11:58] <fsphil> http://hackaday.com/2013/10/22/cracking-gsm-with-rtl-sdr-for-thirty-dollars/
[11:58] <fsphil> love it
[12:00] <Andrew_M6GTG> fsphil: wow, must have a good read of that
[12:02] Nick change: KipK_away -> KipK
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[12:17] <Geoff-G8DHE-M> Just had 2 8G SD Cards fail, after 4 years continous use at 1 image a second!!
[12:19] <fsphil> the failed at the same time?
[12:19] <fsphil> +y
[12:21] <Geoff-G8DHE-M> Just about couple of days between them, the FAT areas wore out I suspect!
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[12:22] <nats`> someone now the support state of the cypress fx2 by sdcc
[12:22] <ibanezmatt13> afternoon
[12:22] <nats`> hi ibanezmatt13
[12:22] <fsphil> that's good going
[12:22] <Andrew_M6GTG> Geoff-G8DHE-M: Well past the normally quoted lifetime/cycles? What make?
[12:22] <fsphil> where they branded cards?
[12:23] <fsphil> I've had no-named cards die within a week of light activity
[12:23] <Geoff-G8DHE-M> It is actually its one hell of a lot of writes! SanDisk SDHC 2 cards
[12:23] <mfa298> I thought that sort of technology was supposed to do some wear leveling stuff so you didn't always write to the same physical gates (even if you were using the same FS block)
[12:24] <Andrew_M6GTG> Geoff-G8DHE-M: Funny I have a SanDisk SDHC card that has survived 3 cycles in my washing machine ;-)
[12:24] <Geoff-G8DHE-M> I was starting to blame the cameras, but after the last fail it appeared to be a problem withthe FAT area then they wouldn't format.
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[12:24] <Geoff-G8DHE-M> yes they are wear levelled but there are limits!
[12:24] <fsphil> when I got an SSD drive for my laptop, I upgraded the memory at the same time so I could disable swap
[12:25] <Geoff-G8DHE-M> Good sense
[12:25] <fsphil> the drive is probably worth more than the laptop
[12:25] <fsphil> you can get old thinkpads for almost nothing these days
[12:26] <Hix> ThinkPad ftw :)
[12:26] <Geoff-G8DHE-M> Indeed, I keep thinking about using them in my machines, some of the early ones were a bit suspect but they are now quite viable
[12:26] <fsphil> the new thinkpads have horrible keyboards
[12:26] <daveake> shame; old ones were lovely
[12:26] <Hix> mbp style buttons?
[12:27] <fsphil> it's the one with spaces between the keys
[12:27] <Geoff-G8DHE-M> Used to luv my Thinkpad (original styles) I fell on mine once tripped on a pavement but it was still fine!
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[12:27] <daveake> I still have an A30p that lasted me for years and is still in use, as a web server etc
[12:28] <Hix> I've had my X201 for over a year now, the warranty is about to expire. I paid £260 and have had over 12 months next day care included in that
[12:28] <Geoff-G8DHE-M> not bad at all!
[12:28] <Hix> My nephew now has my X60s running ubuntu
[12:28] <fsphil> I'm thinking of getting an x-series one
[12:28] <fsphil> before my current one falls apart
[12:29] <Hix> jw@edgeuk.net fsphil he's the guy I got mine from. think someone else on here used him too. he gets corporate disposals
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[12:30] <fsphil> I like his website
[12:30] <Hix> is it crap?
[12:30] <fsphil> http://www.edgeuk.net/
[12:30] <fsphil> "to the point" :)
[12:30] <Hix> ahh simple and to the point
[12:31] <fsphil> I'll fire him off an email, ta
[12:31] <Hix> nps
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[12:55] Nick change: KipK_away -> KipK
[12:55] <ab3mc> Is there anyone in Portugal with SSB capability on VHF willing to listen for a floater balloon due to arrive from the East Coast of the US around this time?
[12:57] <fsphil> when was that launched?
[12:57] <fsphil> (I'm not from Portugal sadly)
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[12:57] <ab3mc> It was launched Sunday at 1509 UTC.
[12:58] <ab3mc> You can see the predicted path here: http://ab3mc.files.wordpress.com/2013/10/balloon4_europroj.jpg
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[12:59] <fsphil> there have in the past been stations in spain, but you'll get better coverage in France
[12:59] <ab3mc> OK, well it is predicted to be over Spain in a few hours, so that will be worth a try too.
[13:00] <craag> Cross atlantic foil!
[13:00] <craag> wow
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[13:00] <fsphil> it'll be very cool if it's still up
[13:00] <craag> info on http://ab3mc.wordpress.com/
[13:00] <craag> Is it just Hell telemetry?
[13:01] <ab3mc> Odds are its in the Ocean, but I figure it would be worth a try... ;)
[13:01] <UpuWork> Oh hi Bill
[13:01] <ab3mc> Yes, it's just FM-Hell at 105 baud with about 39 mW.
[13:01] <fsphil> foils have been known to float for weeks
[13:01] <fsphil> oh FM
[13:01] <ab3mc> aka FSK-Hell...
[13:01] <fsphil> or Hell-FSK?
[13:01] <fsphil> aah yes
[13:02] <fsphil> I've found that works better than regular Hellsch
[13:02] <ab3mc> Yes, me too. ;)
[13:02] Action: fsphil checks globaltuners
[13:02] <fsphil> nope
[13:03] <fsphil> nearest station is in the east of spain
[13:04] <ab3mc> There was a PCR-1000 on Globaltuners in Spain up until a couple of days ago with a discone, but it seems to have disappeared. :(
[13:05] <UpuWork> Still preparing Hat recipies Bill :)
[13:06] <ab3mc> Odds are it's in the Atlantic, so I think you're pretty safe! ;)
[13:07] <ab3mc> Oh, and hi Anthony!
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[13:07] <UpuWork> hi :)
[13:08] <UpuWork> I was just reading your mail
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[13:09] <UpuWork> You need to speak to Leo if you want to get the weight right down
[13:09] <ab3mc> His boards are most impressive.
[13:09] <wd8mnv> what is the chip ID'd as U2 on that board?
[13:10] <UpuWork> which chip wd8mnv ?
[13:10] <UpuWork> I have a similar sized AVR version running @ 2Mhz / 1.8V
[13:10] <wd8mnv> on ab3mc's payload
[13:11] <UpuWork> ADF7012 ?
[13:11] <UpuWork> radio
[13:11] <wd8mnv> looks like a Microchip pic and maybe some kind of RF chip?
[13:11] <ab3mc> My old payload (the one which may have crossed the Atlantic) is using a PIC12F817 and an ICS512 to generate the RF.
[13:12] <wd8mnv> k... thanks
[13:12] <ab3mc> The new payload is using a PIC16F1829 and an ADF7012 to generate the RF.
[13:13] <ab3mc> Oops, make that a PIC12F617 for the MCU.
[13:17] <ibanezmatt13> off to maths, ciao
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[13:37] <fsphil> I might have a listen tonight incase it came in further north than predicted
[13:37] <fsphil> what was the frequency?
[13:38] <ve6ts> You have a balloon in flight?
[13:38] <x-f> 144.0065
[13:38] <fsphil> ve6ts: ab3mc had one floating, and if it's still floating might have made it to europe
[13:38] <fsphil> long shot though
[13:38] <ve6ts> fsphil excellent
[13:38] <x-f> ve6ts, http://ab3mc.wordpress.com/
[13:39] <ab3mc> Telemetry is on 144.007 MHz. FSK-Hell at 105 baud.
[13:39] <fsphil> 144.007 dial or actual?
[13:39] <ve6ts> i finished my code for my field-hell transmitter last night
[13:39] <ab3mc> Latest Hysplit predictions show it going past Madrid around 1800 UTC.
[13:40] <ve6ts> might launch a micro this weekend
[13:40] <ab3mc> 144.007 actual carrier frequency.
[13:41] <fsphil> I can't read the website yet. is it solar powered?
[13:42] <ab3mc> It uses a CR2 battery for power.
[13:42] <DL1SGP> ab3mc: if it should float into northern/central Germany, would you happen to have a "rough" time for it to be here in case your predictions are accurate (and it still is alive)
[13:43] <fsphil> definitly not over n.ireland anyway
[13:43] <ab3mc> Let me check the NOAA forecast. sec...
[13:43] <DL1SGP> thank you
[13:44] <fsphil> man there's a lot of noise on 144mhz here
[13:44] <fsphil> probably all coming of my ethernet cables
[13:44] <ab3mc> Forecast to make it to southern Germany around 1300 UTC tomorrow.
[13:44] <DL1SGP> k if it would be too far south I won't get it in, however I gonna have a listen around that time
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[13:46] <DL1SGP> fsphil: switch to PowerLineTransfer :D
[13:46] <fsphil> haha
[13:47] <fsphil> to much of a pain putting in shielded cat5
[13:48] <fsphil> I'll live with a noisy 2m band :)
[13:48] <ab3mc> 144 MHz is pretty clean here, except for a few weak carriers within a couple of kHz of 144.000 itself. I will move it up over 144.050 MHz out of the EME band on future launches with more capable electronics.
[13:48] <ve6ts> another parts order for me, I keep running out of transmitters and pics
[13:50] <ab3mc> ve6ts: What are you using for a transmitter?
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[13:50] <ve6ts> QAM-TX1-433-ND - it is an AM transmitter module
[13:50] <ve6ts> about $5 cdn
[13:51] <ab3mc> Recognize the Digikey part number... ;)
[13:51] <ve6ts> hehe, yup i usually order from them
[13:52] <ab3mc> 433.92 MHz?
[13:52] <ve6ts> sounds about right
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[13:52] <ab3mc> Looks very similar to the Sparkfun module WB8ELK uses.
[13:52] <ve6ts> yes i've seen that module as well
[13:53] <ab3mc> In my area, there are a lot of part 15 devices (wireless thermometers?) using that frequency so I heaer frequent noise bursts on it.
[13:54] <fsphil> you don't have gps on it ab3mc?
[13:54] <ve6ts> occational here, but doesn't affect my use for ballooning
[13:55] <ab3mc> Sadly no. This was my last payload without a GPS. Built a run of cheap disposable units to confirm I could successfully float a balloon before adding the GPS...
[13:55] <ab3mc> ve6ts: Yes, I don't think the interference is bad enough to prevent reception most of the time.
[13:56] <fsphil> ah, so it may not have floated
[13:56] <ab3mc> I should post my telemetry results... I was in contact with it for the first 3 hours of launch. Just before losing contact, it appears to have been at about 6000 meters MSL.
[13:57] <craag> So it had a pressure sensor on board?
[13:57] <ab3mc> This is based on the OAT reading when compared with the meteorological forecast temperatures at 18000 feet for aviation weather.
[13:57] <ab3mc> Nope, just a lowly thermistor.
[13:58] <ve6ts> i really like ordering with digikey, makes it ready easy
[13:58] <ab3mc> Which was reading -11C on the last transmission I decoded.
[13:58] <ab3mc> (but it was in the Sun, so I believe the actual outside temperature was 5C cooler based on the difference I saw when I launched it -- it was reading 20C in the Sun while the outside temperature was 15C).
[13:59] <Geoff-G8DHE> Nothing heard down here on the South Coast of the UK either
[13:59] <ab3mc> I wouldn't expect much over 200 km maximum range.
[14:00] <craag> Yeah, predictions aren't *that* accurate over cross-atlantic though!
[14:00] <fsphil> for picos, not even that accurate within western europe
[14:00] <craag> mm
[14:01] <fsphil> I've had a few predictions of them coming my way.. yet to receive one ;)
[14:01] <ab3mc> I'm sure you're right. The most likely prediction is that it's in the Atlantic somewhere. :)
[14:01] <fsphil> lol
[14:01] <fsphil> how far are you from the coast?
[14:02] <craag> Well I mean we had that APRS balloon that took a day longer than it was supposed to..
[14:02] <ab3mc> about 2 miles from the Bay, and about 60 miles from the coast.
[14:02] <craag> Is the theory still that it ended up doing a loop in the receiver-less void?
[14:03] <ab3mc> That another good theory... ;)
[14:05] <ab3mc> With the 10M band being open lately, it's tempting to try a trans-Atlantic flight using it -- at least you'll be able to see where it goes into the ocean rather than not knowing.
[14:06] <craag> Hmm I'm thinking about my launch from saturday.. strong westerly winds would dump the payload 30 miles offshore.
[14:06] <craag> So might try a super-speed pico float to denmark instead :)
[14:07] <fsphil> my saturday flight if it goes ahead is heading for denmark
[14:07] <craag> By which I mean it'll be nearly there by the time it reaches float (or not)
[14:07] <craag> Ah, when are you launching on sat?
[14:07] <fsphil> 12:00 ish
[14:07] <fsphil> but this flight is cursed :) maybe third time lucky
[14:08] <craag> pico float?
[14:08] <fsphil> latex
[14:08] <craag> latex float?
[14:08] <fsphil> a big old fat hwoyee
[14:08] <fsphil> yea
[14:08] <craag> cool!
[14:08] <craag> no chance of floating a 100g hwoyee with a 35g payload is there?
[14:08] <fsphil> I'm debating waiting though, until the predictions have it going further south
[14:08] <UpuWork> well you say that craag
[14:08] <fsphil> I'd rather it flew over poland, to keep within range of receivers
[14:09] <UpuWork> however to quote baldrick
[14:09] <UpuWork> "We have a cunning plan"
[14:09] <UpuWork> Leo does anyway
[14:09] <craag> Well without netting
[14:09] <fsphil> tights
[14:09] <UpuWork> fish net floater
[14:09] <x-f> Darkside floated 100g latex balloon, no?
[14:09] <craag> Yeah, I have some netting here for doing that. Haven't figured out how to make a sphere out of it yet :/
[14:11] <craag> Anyway if I can get this AVR to talk to it's ublox, I'll stick it it up under a foil on saturday from nr. Doncaster across the north sea.
[14:12] <ab3mc> Anyone tried any of the larger foil balloons (44-inches larger) for heavier payloads?
[14:13] <LeoBodnar> Where do you get them from?
[14:14] <UpuWork> uh oh :)
[14:14] <ab3mc> http://j.piri.home.mchsi.com/bmpbag.htm
[14:14] <fsphil> haha
[14:14] <UpuWork> 50p says Blimp Bags have an order in about 5 mins
[14:15] <craag> They've got "fins for a less-stressful float across foreign airspace" :)
[14:15] <daveake> lol
[14:15] <ab3mc> Also: http://www.amazon.com/Replacement-Battlebot-Balloon-Envelope-Airships/dp/B000PUGYVY/ref=sr_1_16?ie=UTF8&qid=1382451320&sr=8-16&keywords=44+mylar+balloon
[14:18] <UpuWork> ping Geoff-G8DHE
[14:18] <UpuWork> sorry wrong geoff
[14:20] <LeoBodnar> It lists 52" blimp as having 4.5 cu. ft. volume, or 0.13m3, Qualatex 36" has 0.12 m3 volume when stretched at the peak of the day
[14:21] <fsphil> oh
[14:21] <LeoBodnar> so unless it is massively lighter than 37g or massively stronger it is hardly worth it
[14:21] <fsphil> so they won't stretch for the same amount of gas?
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[14:21] <fsphil> does it give their weights?
[14:21] <LeoBodnar> Qualatex strength is very good, I'd be amazed if these blimps are
[14:24] <LeoBodnar> capable of taking almost 1psi overpressure that Qualatex can
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[14:27] <Hix> eroomde this any use to you? http://goo.gl/lvzATQ
[14:29] <LeoBodnar> I am not sure what these blimps are made of
[14:31] <ab3mc> http://www.rctoys.com/rc-products/MACH-ZENV-BBOT.html holds 5 ft^3 of helium.
[14:31] <ab3mc> And is foil.
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[14:34] <LeoBodnar> "constructed from metalized nylon (mylar)"
[14:34] <LeoBodnar> mylar != nylon
[14:34] <fsphil> not even close
[14:35] <LeoBodnar> Still would be interesting to launch one of them! :D
[14:35] <ab3mc> I wonder which is wrong?
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[14:35] <LeoBodnar> mylar is wrong
[14:35] <ab3mc> I mean I wonder if it really is mylar, and they got the description wrong, or vice versa?
[14:35] <LeoBodnar> well, the Qualatex is made of Aluminised PET + Nylon + PE
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[14:38] <ab3mc> If anyone is setup to do destructive testing of one of these, I'd contribute...
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[14:44] <Laurenceb> http://i1.kym-cdn.com/photos/images/original/000/029/970/trainn.jpg
[14:45] <Hix> heh - good find
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[15:28] <Laurenceb> LeoBodnar: im seeing something odd with a lipo cell
[15:28] <Laurenceb> looks like a cell got discharged completely
[15:28] <Laurenceb> now it charges to 4.16v and stays there
[15:29] <Laurenceb> with continual trickel charge current
[15:29] <Laurenceb> seen anything like this in your testing?
[15:45] <tweetBot> @thecraag: Box+Chute+Cord just arrived, thanks to Steve @G8KHW. Most likely won't fly this weekend, but hopefully soon! #ukhas http://t.co/uOPvj8gQcq
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[16:17] <ibanezmatt13> evening
[16:17] <LeoBodnar> No, how are you testing?
[16:18] <LeoBodnar> Complete discharge is a Bad Thing®
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[16:20] <LeoBodnar> If it stays at 4.16V without going up it looks like it has developed internal leakage resistance
[16:21] <LeoBodnar> Free Lithium deposits are associated with deep discharge so maybe they have grown large enough to create short-circuits between electrodes?
[16:21] <eroomde> one of the things i still haven't fully grokked about business life is that technical sales people are often quite useful
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[16:22] <eroomde> like, you can call someone and they will spend an hour on the phone with you telling you everything you need to know and more or less designing your system for you
[16:22] <eroomde> my gut instinct is to spend ages trying to read up on this whole new field among loads of pdfs from different manufacturers
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[16:23] <eroomde> but i can instead get the DL from a helpful person who can make the whole process take about 20% as lng as if i tried it myself
[16:23] <eroomde> it's good
[16:23] <eroomde> that's all i wanted to observe
[16:24] <LeoBodnar> It is illogical so doomed to end
[16:24] <Geoff-G8DHE> I see the latest Beta of SDR-Radio is out build 1545 http://v2.sdr-radio.com/Download.aspx
[16:24] <LeoBodnar> We are reaping benefits of the past
[16:25] <eroomde> what is illogical?
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[16:25] <LeoBodnar> Have a sales rep come around and spend half a day talking about magnetics
[16:26] <eroomde> i'm not sure how they can afford it
[16:26] <eroomde> but yes they do
[16:26] <eroomde> it's good too
[16:26] <eroomde> you get little tidbits
[16:26] <LeoBodnar> They can't that's the catch
[16:26] <eroomde> like, we need f-loads of gas for our stuff
[16:26] <eroomde> and for the next project we're getting 18 container palletes of oxygen
[16:27] <eroomde> the annoying thing though is that the palletes themselves still have the same orifice as the 9 bottles within the palletes
[16:27] <eroomde> so if you need mass flow (we do) you need really a very large number of palletes
[16:27] <eroomde> however, the guy from air products just randomly observed that, for whatever reason, hydrogen palletes have 2 ports
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[16:27] <eroomde> so that's just saved us many palettes a week
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[16:28] <eroomde> we will still have about 90m^3 of helium left over each work (come one come all and bring your balloons)
[16:28] <eroomde> er, hydrogen
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[16:28] <eroomde> not helium
[16:28] <SpeedEvil> eroomde: :)
[16:28] <Geoff-G8DHE> eroomde, Fully agree, they only downside is that they may pester you in the future when you least want their attention!
[16:28] Action: daveake makes note
[16:28] <eroomde> Geoff-G8DHE, that's fine, i cam good at making people go away
[16:28] <eroomde> we had a massive explosion today on the site next to us
[16:28] <chrisstubbs> eroomde, if you fly rockets from work are you allowed to launch balloons?
[16:29] <eroomde> all of us instinctively leapt up and ran out to help
[16:29] <chrisstubbs> like, do you have a NOTAM for the rockets?
[16:29] <eroomde> chrisstubbs, we dpon't fly them
[16:29] <chrisstubbs> Ah yeah just test the engines
[16:29] <eroomde> because unexpected xplosions on rocket test sites are usually bad news
[16:29] <chrisstubbs> hah
[16:29] <eroomde> turns out it was the Slow-Mo guys (youtube) doing some james-bond style explosion special effect
[16:29] <eroomde> they didn't think to tell us
[16:29] <daveake> lol
[16:30] <eroomde> so we're a bit unhappy with the sight owners
[16:30] <eroomde> site*
[16:32] <Laurenceb> back
[16:32] <Laurenceb> LeoBodnar: interesting
[16:32] <Laurenceb> im discharging it now
[16:32] <eroomde> what about your batts?
[16:33] <Laurenceb> yes
[16:33] <Laurenceb> its holding charge
[16:33] <mattbrejza> is this one without the usual protective circuitry?
[16:33] <Laurenceb> id rather not replac eit as its a faff
[16:33] <Laurenceb> yes
[16:33] <mattbrejza> ah ok
[16:33] <LazyLeopard> A week or so after the Westgate affair some road construction engineers decided they'd blast a bit of rock that was in their way. They drilled a few holes, charged them up with something, and set it all off. The only warning they gave was to stop the traffic passing, briefly.
[16:33] <eroomde> yeah
[16:33] <eroomde> it was crap
[16:33] <LazyLeopard> The explosion was heard for a mile or more around...
[16:33] <eroomde> here you have 30s countdown sirens and all sorts
[16:34] <eroomde> random ground shaking explosions that come unannounced put you into fear-the-worst mode
[16:34] <eroomde> i mean, we have several tonnes of hypergolics on site in storage tanks, for example
[16:35] <LazyLeopard> You'd really not want earth-shaking explosions anywhere nearby, then...
[16:35] <eroomde> well, when the rocket engines are firing they can be earth shaking
[16:35] <eroomde> so the storgae is designed to take that
[16:36] <LeoBodnar> Nice http://www.mpoweruk.com/images/lithium_window.gif
[16:37] <eroomde> that is analogous to making beer
[16:38] <eroomde> 99% of the space of possible input variables just makes brown
[16:38] <eroomde> and you have to be very careful to make beer instead of brown
[16:38] <eroomde> likewise wine
[16:38] <Laurenceb> thanks
[16:38] <Laurenceb> looks like maybe im seeing some short
[16:38] <Laurenceb> it did have a protection circuit on
[16:38] <eroomde> LeoBodnar, i do think it's sustainable
[16:39] <Laurenceb> but it would have discharged right to the trigger voltage
[16:39] <eroomde> i suspect that's why a solidworks license costs £5000 instead of £100
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[16:39] <LazyLeopard> These guys managed to redistribute quite a lot of rubble, but the rock barely budged, as it's really quite seriously tough stuff....
[16:40] <Laurenceb> im going to try cycling the battery overnight...
[16:40] <Laurenceb> hopefully building doesnt burn down
[16:40] <DL7AD> evening
[16:40] <Laurenceb> right im off, cya all
[16:41] <Andrew_M6GTG> \quit
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[16:48] <arko> Leo nice plot hah
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[16:54] <eroomde> arko, you'd have liked the explosion today
[16:54] <eroomde> over on k-site
[16:55] <eroomde> heard the windows rattle, felt the thump through ground and chest, and turned around to see a huge ball of flame rolling up into the sky
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[16:58] <arko> Haha, saw James' tweet, Reminded me of you guys laughing when your hear failing rockets :)
[16:58] <eroomde> except we didn't laugh
[16:58] <arko> They filming stuff? Or was it an experiment gone qrong
[16:59] <eroomde> we instinctively ran towards the door
[16:59] <eroomde> SlowMo guys
[16:59] <eroomde> of youtube fame
[16:59] <arko> Did you know it was going to happen?
[16:59] <arko> Oh sweet! Cant wait to watch
[16:59] <eroomde> i can
[16:59] <eroomde> no we didn't
[16:59] <eroomde> no warning
[17:00] <eroomde> that's why we're a bit f*cked off
[17:00] <arko> Oh god
[17:00] <chrisstubbs> Hix, http://theoatmeal.com/pl/minor_differences/capslock
[17:00] <arko> Thats terrible
[17:00] <eroomde> unnanounced explosions on rocket test sites are not a sensible idea
[17:00] <arko> Wtf!?
[17:00] <arko> Why wouldnt they tell you!?
[17:00] <arko> Thats stupid
[17:01] <eroomde> i know
[17:01] <eroomde> all the moog guys started getting phone calls from their main office further down the site
[17:01] <eroomde> who assumed the engine had explosed
[17:02] <arko> They film movies by our space all the time, they are required by law to notify us if there is gun fire, etc
[17:03] <arko> Because the last thing you need is peolle freaking out :/
[17:03] <eroomde> yes
[17:03] <arko> Sorry to hear, thought you guys knew
[17:03] <eroomde> well that's what we did
[17:03] <eroomde> because explosions on site that aren't preceeded by a siren usually mean someone has just died
[17:03] <arko> :/ shit
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[17:32] <WillTablet> Boards still not here
[17:32] <WillTablet> Starting to think they may have been lost in the post
[17:34] <ve6ts> WillTablet that is upsetting
[17:34] <WillTablet> Ikr
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[17:34] <ve6ts> WillTablet will they ship you more for free or at your cost?
[17:35] <WillTablet> Free, if they do turn up later you have to pay twice though
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[17:40] <eroomde> WillTablet, which shipping did you go for?
[17:40] <ve6ts> i'm making up new labels for my payloads, i was wondering what other people include in their label, mine so far is: Harmless Radio Transmitter High altiude balloon experiment If found, please contact Nicholas email, http://arawr.ca and my phone number
[17:40] <WillTablet> The cheap tracked one
[17:40] <eroomde> yeah
[17:40] <eroomde> that fucked up for me too
[17:40] <eroomde> tell hackvana
[17:40] <WillTablet> I did
[17:41] <WillTablet> An issue with HK post
[17:41] <eroomde> yes
[17:41] <WillTablet> So they were sent via China Post
[17:41] <eroomde> he graciously sends your replacement PCBs with the shittest, cheapest untracked post option
[17:41] <eroomde> if his first order never gets to you
[17:41] <WillTablet> I think it was the cheapest shipping
[17:42] <eroomde> it is
[17:42] <WillTablet> But it's tracked for like a dollar extra
[17:42] <WillTablet> Was that sarcastic?
[17:42] <eroomde> if my customer never got stuff I'd sent them I'd makes new ones as quickly as poss and courier the damn things
[17:42] <eroomde> yes it is sarcastic
[17:42] <eroomde> it's pathetic service (imo)
[17:42] <WillTablet> :-) he's a nice guy though
[17:43] <WillTablet> I've met worse people on the internet
[17:43] <eroomde> great
[17:43] <eroomde> so your supplier isn't a troll
[17:43] <eroomde> that's hardly something worth celebrating
[17:43] <WillTablet> I suppose being nice doesn't count for much
[17:43] <eroomde> not for a business transaction, no
[17:43] <eroomde> i like him personally
[17:43] <WillTablet> It's my best option though.
[17:43] <eroomde> but won't be spending my money with him again, I don't think
[17:44] <WillTablet> Mhm
[17:45] <WillTablet> I've met worse people. There was a guy on a bf3 server who said something like "you are so gay" to which I replied "Yeah I am, problem" and then he had a huge homophobic rant at me
[17:45] <WillTablet> *insert question mark after 'problem'
[17:46] <ve6ts> WillTablet that was a great comeback
[17:46] <eroomde> well yes, that there are people who are worse than mitch on the internet is self-evident and not really worth commenting on
[17:46] <eroomde> even if to bring up your pet subject
[17:46] <daveake> Mitch would have probably had £500 of my money by now if not for stories I hear here of how he treats customers
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[17:47] <WillTablet> ve6ts it's true which makes it even better
[17:47] <daveake> Keep customers happy. The end.
[17:47] <WillTablet> eroomde pet subject ?
[17:47] <ve6ts> WillTablet ya i know i wish i heard the mumbling after that comming from his side
[17:48] <eroomde> indeed. you can't argue with his prices, but you also can't argue with ryanair's prices
[17:49] <eroomde> it's worth paying a bit more to know you'll get a basic level of service
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[17:50] <craag> ve6ts: Steve G0TDJ made a bunch of labels and brought them to the ukhas conf, I've got about 50 :P http://ukhas.org.uk/guides:payload_labels
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[17:50] <LeoBodnar> Has R&S been mentioned yet? XD
[17:51] <pWNAGE> eroomde: I've found for <100 I can't beat oshpark prices/quality (I'm talking about 4 layer mainly)
[17:51] <pWNAGE> ENIG and 5/5 for pretty cheap
[17:51] <pWNAGE> but I do have a much larger PCB (25cm x 25cm) that I'm sending hackvana's way
[17:51] <ve6ts> craag thanks i will take a look
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[17:52] <eroomde> pWNAGE, thanks for the tip
[17:52] <eroomde> especially for 4 layer
[17:52] <eroomde> so how much are you paying for 4 layer boards in terms of quantity/size at what price?
[17:52] <eroomde> if you don't mind me asking
[17:53] <eroomde> LeoBodnar, yes, R&S is nice :)
[17:53] <pWNAGE> 4 layer you're usually reflowing the board, and probably have shit like big QFP and QFN (maybe BGA) and so you def want ENIG
[17:53] <pWNAGE> fuck HASL
[17:53] <eroomde> i get enig anyway
[17:53] <pWNAGE> eroomde: $10/sq in from oshpark. beats hackvana prices up to about $100 or so
[17:54] <pWNAGE> after that price point, it's a better deal to pay hackvana
[17:54] <eroomde> yeah
[17:56] <pWNAGE> also oshpark is 5/5 rules with 10 mil drill and 4 mil annular ring, for an 18 mil total via size
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[17:56] <pWNAGE> you can get that from hackvana by talking to him and getting a quote
[17:56] <pWNAGE> anyway I'm off to class
[17:56] <pWNAGE> later
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[18:04] Nick change: KipK -> KipK_away
[18:06] <Willdude123_> daveake where do you get your boards from now then?
[18:06] <Upu> haha
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[18:07] <adamgreig> hey eroomde
[18:07] <adamgreig> https://github.com/gibiansky/IHaskell
[18:07] <adamgreig> IHaskell is an implementation of the IPython kernel protocol which allows you to use Haskell inside IPython frontends such as qtconsole and notebook.
[18:07] <eroomde> oh wow
[18:07] <eroomde> this could change things bra
[18:07] <adamgreig> i really wanna learn me some haskell
[18:07] <adamgreig> (for great good)
[18:07] <adamgreig> http://learnyouahaskell.com/
[18:08] <adamgreig> http://yannesposito.com/Scratch/en/blog/Haskell-the-Hard-Way maybe
[18:10] <eroomde> am gonna do lyah shortly
[18:10] <eroomde> just need to finsih sicp
[18:10] <eroomde> then might try the write-yourself-a-scheme in haskell
[18:10] <adamgreig> hehe
[18:10] <adamgreig> I need to start on sicp
[18:11] <adamgreig> think I want to do lyah first though
[18:11] <adamgreig> btw plans are afoot for martlet 2
[18:11] <eroomde> bbl
[18:11] <eroomde> oh ok
[18:11] <eroomde> pm me them
[18:11] <eroomde> while i pickup chinese
[18:11] <fsphil> oooh
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[18:17] <Willdude123_> What's iPython?
[18:19] <fsphil> after reading that I'm still not sure
[18:19] <adamgreig> it's a python shell with goodies. like ipython notebook, the best goody of all
[18:19] <adamgreig> bbl
[18:20] <Willdude123_> Awesome
[18:20] <Willdude123_> Why is it better than normal python?
[18:22] <Willdude123_> I would install Ubuntu if I wasn't banned from using my computer :-(
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[18:23] <ve6ts> i measured that hydrogen gas in a 36inch mylar balloon can lift 25 grams with 80% fill, anyone know much free lift i should have for a micro launch?
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[18:24] <ve6ts> woohoo my digikey order just shipped
[18:25] <Willdude123_> So if you guys don't like Mitch, who do you get PCBs from?
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[18:29] <craag> ve6ts: Are you looking for a float, or definite burst?
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[18:39] <Laurenceb_> sup
[18:42] <ve6ts> craag float, thanks
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[18:56] <LeoBodnar> as little lift as practically possible then ve6ts
[19:00] Action: Laurenceb_ checks news for lipo fires
[19:01] <Laurenceb_> left my dodgy lipo cycling overnight with an F4discovery
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[19:02] <Laurenceb_> I'm hoping this will reduce the leakage current
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[19:06] <fsphil> I've made an F4 discovery blink an LED. I'm rather chuffed
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[19:13] <eroomde> nice!
[19:13] <eroomde> never gets not exciting does it
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[19:16] <fsphil> it's nice getting to the point of running code on it
[19:16] <fsphil> then the interesting stuff happens
[19:17] <fsphil> not as well documented as the avr chips
[19:17] <fsphil> but there is some libraries out there that handle the basics
[19:17] <eroomde> it's pretty well documented, i've found
[19:18] <eroomde> it's more the pedagogical resources that are lacking
[19:18] <eroomde> rather than the architecture being documented
[19:18] <eroomde> eg the old chestnuts like that you have to remember to apply a lock to any peripheral you want to use
[19:18] <eroomde> is sort of mentioned as once sentence somewhere
[19:18] <eroomde> apply a clock*
[19:19] <fsphil> yea I've seen that, you need to enable clocks for each part you use
[19:28] <eroomde> it's storming here
[19:28] <fsphil> http://www.blitzortung.org/Webpages/index.php?lang=en&subpage_0=12
[19:29] <fsphil> looking good
[19:29] <fsphil> envy. not seen a night time storm in ages
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[19:30] <fsphil> well nothing good. there was a distant one this summer
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[19:36] <Upu> ping ibanezmatt13
[19:36] <ibanezmatt13> hey
[19:36] <Upu> GPS layout on Norb2 works fine
[19:36] <ibanezmatt13> nice :0
[19:36] <ibanezmatt13> :)
[19:37] <ibanezmatt13> how do you know?
[19:37] <ibanezmatt13> you built it?
[19:37] <ibanezmatt13> ah yes, you were testing the Sarantel pads :P
[19:37] <Upu> yeah
[19:37] <Upu> just stuck a GPS and antenna on then some wires
[19:38] <ibanezmatt13> cool
[19:38] <ibanezmatt13> hopefully same for N3
[19:39] <ibanezmatt13> Even with dodgy power connection, I got NMEA data but it was like $GPGGA,,,,,,,,,,*6B
[19:39] <ibanezmatt13> but I'm not panicking until it fails with a reliable PSU
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[19:47] <tweetBot> @AMSAT_UK: Amateur Radio CubeSat Balloon Launch http://t.co/qJG1nxFoc8 #amsat #hamr #cubesat #hab #ukhas
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[19:53] <eroomde> someone on this channel works for GEMS pressure sensors iirc?
[19:54] <Laurenceb_> sounds interesting
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[20:08] <Willdude123_> eroomde who would you order from since you don't trust Mitch?
[20:09] <eroomde> 90% of my stuff is through pcb-pool.com
[20:09] <eroomde> their prototyping service
[20:09] <eroomde> it works great for me but note my economics are different to yours
[20:10] Action: Laurenceb_ uses pcbtrain
[20:10] <daveake> me too
[20:10] <eroomde> have used them too
[20:10] <eroomde> i like pcb-pool
[20:10] <eroomde> very nice irish people
[20:10] <eroomde> free stainless tencil
[20:10] <Willdude123_> You have money, I don't :-)
[20:10] <eroomde> yes
[20:10] <eroomde> and also it's my business so time has value
[20:10] <eroomde> so i want the pcbs back within a week of submitting them
[20:10] <eroomde> for prototype stuff anyway
[20:11] <Willdude123_> I can just wait for boards tbh.
[20:11] <Willdude123_> It's a bit boring but I'm prepared to wait
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[20:21] <tweetBot> @AMSAT_UK: New Amateur Radio Satellite Segment in IARU Region 2 Bandplan http://t.co/EEaCQLGnTB #amsat #hamr #ukhas #hab
[20:23] <fsphil> not really #ukhas
[20:24] <ibanezmatt13> nope
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[20:26] <fsphil> unless we all put some dosh together and make a satellite :)
[20:26] <Willdude123_> That's a cool idea
[20:26] <Willdude123_> With dominoex :-)
[20:27] <daveake> use an rfm22b. That's sure to work :p
[20:29] <Willdude123_> That's actually a really good idea fsphil.
[20:29] <Willdude123_> We could crowdfund it
[20:29] <daveake> £1k each. Who's in then? :/
[20:29] <adamgreig> need quite a few of us at £1k each
[20:29] <daveake> I know
[20:29] <fsphil> hehe yea, that's cheap
[20:30] <fsphil> I could have a nice holiday for less than that :)
[20:31] <daveake> Spent more than that on components last week
[20:31] <Laurenceb_> paying for a satellite is doing it wrong
[20:31] <Laurenceb_> you need someone to fund you
[20:31] <fsphil> maybe if we keep annoying the UKSA they'll give in to us and fund it
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[20:32] <ibanezmatt13> epic http://www.youtube.com/watch?v=NsmW_y04z_Y
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[20:34] <stilldavid> daveake: dammit, I have my credit card out for a new MBP :\
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[20:46] <chrisstubbs> cuddykid, the behing the scence from the nike launch was awesome!
[20:46] <chrisstubbs> ugh, fat fingers
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[20:47] <cuddykid> hi chrisstubbs
[20:47] <cuddykid> didn't catch what you mentioned me in as the app just crashed after I opened it!
[20:48] <chrisstubbs> Haha
[20:48] <chrisstubbs> Saw your behind the scenes video for the nike launch, did they put that together?
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[20:50] <LeoBodnar> daveake: I'll chip in
[20:51] <DL1SGP> hi folks :)
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[20:57] <Upu> ping Geoff-G8DHE
[20:57] <Geoff-G8DHE> pong
[20:57] <Upu> hi there
[20:57] <Upu> do you have a link to your site pls
[20:57] <Upu> the wsmeteor launch
[20:57] <Geoff-G8DHE> http://360.g8dhe.net/hab_flights
[20:57] <Upu> super thx
[20:58] <Upu> scramble scramble :))
[20:59] <Geoff-G8DHE> Yup there were more flights than I thought when I started! Going to start the New year with a 2013 and a 2014 entry I think ;-)
[20:59] <Upu> just passed the link on to the wsmeteor team
[21:00] <Upu> great work btw
[21:00] <Geoff-G8DHE> Fine no problems
[21:02] <Willdude123_> Oh hi Upu
[21:02] <Upu> hi Will
[21:03] <Willdude123_> A few people in here said that Hackvana is slightly unreliable,which is inters
[21:03] <Willdude123_> Interesting
[21:04] <Willdude123_> They were sent by China post though
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[21:17] <henryplumb> Got an mvt 7100 today! :-)
[21:21] <ve6ts> henryplumb congrads
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[21:29] <ab3mc> Speaknig of satellites, looks like there's a UK firm that is in the business of supplying components for use with cubesats. These small 10x10x10cm satellites cost about 100'000USD for parts+launch costs. http://www.clyde-space.com/
[21:30] <ve6ts> most of that 100K is launch cost i bet :)
[21:31] <craag> ve6ts: Sorry, left for the pub. For float I think Leo uses jsut over 3g of free lift.
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[21:31] <ve6ts> craag thanks that is lower then i thought must take forever to get to floating altitude.
[21:32] <eroomde> nope, the $100,000 will be just sat hardware
[21:32] <eroomde> clyde don't do launching
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[21:32] <craag> It takes a fair few hours to ascend, but minimises the stress on the balloon once it's up there, giving long-life floats it seems!
[21:32] <eroomde> they charge you £500 for a pir of awg22 power leads into a crimped connector
[21:32] <eroomde> it soon adds up
[21:32] <ve6ts> hehe, wow, it's all of the testing, possibly xray every part?
[21:33] <ab3mc> "In 2004, with their relatively small size, CubeSats could each be made and launched for an estimated $65,000 to $80,000." (Wikipedia Article on Same)
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[21:33] <ab3mc> Didn't think inflation was that bad in the past 9 years? ;)
[21:34] <ab3mc> Also, "A CubeSat can be built for under $25,000, although they typically come in at the $30,000 to $40,000 price range - still a bargain. The "going-rate" per CubeSat launch is in the $40,000 range."
[21:34] <eroomde> i think the answer is to not pay clyde space $500 for a power cable
[21:34] <ab3mc> http://www.space.com/308-cubesats-tiny-spacecraft-huge-payoffs.html
[21:34] <eroomde> or infact anthing for anything
[21:34] <ve6ts> that was a $200 digikey order, but i got lots should last me a while, should be enough for around 15 launches.
[21:34] <eroomde> just build it yourself
[21:36] <ve6ts> well i'm off to home, chat later
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[21:37] <eroomde> the LT1010 is such a great chip
[21:37] <eroomde> we had a couple of things where someone wanted to run longer cables than usual between a sensor and an ADC card
[21:38] <eroomde> the cable capacitance would have dropped the bandwidth below what was necessary
[21:38] <eroomde> LT1010 booooooooom
[21:38] <eroomde> fixed
[21:38] <malgar> BrainDamage: ping
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[21:39] <ramm25> gretings
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[21:49] <Upu> Does anyone have a link to Bab's stablised video ?
[21:50] <eroomde> can we just kill zeusbot
[21:50] <eroomde> and stupid people
[21:50] <eroomde> and everything
[21:50] <Upu> Yeah I found it thx
[21:51] <eroomde> in there http://www.flickr.com/photos/91049302@N00/sets/72157632733154985/
[21:51] <Upu> I was struggling with the flickr part
[21:51] <Upu> cheers
[21:51] <Upu> lol
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[21:51] Action: Laurenceb_ has been wondering
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[21:51] <Laurenceb_> dont those flywheels cancel each other out?
[21:52] <eroomde> just for ref, from before the modern-ukhas collective memory, we've got video happily that stable with entirely un-electromechanical means
[21:52] <eroomde> just with large drapes
[21:52] <eroomde> with nova 10
[21:52] <Willdude123_> Laurenceb_ are you Dr. Laurenceb_ yet?
[21:52] <Laurenceb_> ah yeah i remeber that
[21:52] <Laurenceb_> Willdude123_: only of trolling
[21:53] <Laurenceb_> Willdude123_: have to wait for feedback from supervisors and stuff
[21:53] <Laurenceb_> this can take forever...
[21:53] <Upu> got a pic eroomde ?
[21:53] Nick change: heathkid|2 -> heathkid
[21:53] <eroomde> got a launch vid
[21:54] <Willdude123_> Are you actually doing it in something worthwhile or is it Marine Botany or something?
[21:54] <Laurenceb_> troll studies
[21:54] <eroomde> http://vimeo.com/3803248
[21:54] <Laurenceb_> irc ambassador for trollkind
[21:55] <Laurenceb_> haha i think i was there for NOVA10
[21:55] <Upu> cheers
[21:55] <Laurenceb_> Willdude123_: pressure effects on near infrared spectroscopy
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[21:55] <Willdude123_> What happens if you fail?
[21:56] freek_ (4d655eb7@gateway/web/freenode/ip.77.101.94.183) joined #highaltitude.
[21:56] <Laurenceb_> NEVER
[21:56] <Laurenceb_> I DO NOT FAIL
[21:57] <Laurenceb_> but hypothetically... you might have to make corrections
[21:57] <Laurenceb_> or demoted to masters...
[21:57] <Laurenceb_> http://i.imgur.com/qgnoWs0.jpg <- my PhD
[21:58] <Laurenceb_> its very exciting
[21:58] <Laurenceb_> ^irony
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[21:58] <eroomde> sarcasm i think
[21:58] <Laurenceb_> long day
[21:59] <Laurenceb_> today i discussed ISO60601 for 6 hours
[21:59] <eroomde> Upu, did you catch vid link?
[21:59] <Upu> I did
[21:59] <Upu> interesting
[21:59] <Laurenceb_> see its worth getting a PhD
[22:00] <Upu> looks like someone attached a balloon to someones laundry
[22:00] <Upu> what happened at burst ?
[22:02] <eroomde> it floated
[22:02] <eroomde> so you see there are 2 balloons
[22:03] <eroomde> this predated hoywees and picos so floating had to be done with more faff
[22:03] <eroomde> so one balloons was a 1.6kg one, just neutrally boyant with the payload
[22:03] <eroomde> the other was a 500g balloon with about 2kg of free lift
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[22:03] <eroomde> the 500g balloon had a release mechanism
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[22:03] <Lunar_Lander> hello
[22:03] <Laurenceb_> eroomde: iirc the sky was too bright?
[22:03] <Laurenceb_> for the star cam
[22:03] <eroomde> it towed the whole system to just over 28km
[22:04] <eroomde> yes
[22:04] <Upu> interesting
[22:04] <eroomde> then the flight computer released the lifty balloon
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[22:04] <eroomde> and just hung for a bit under the neutral balloon
[22:04] <Upu> did you ever get it back ?
[22:04] <eroomde> yep
[22:04] <LeoBodnar> Do I see an ugly radiation hardened bodge there? http://www.clyde-space.com/documents/414/414-medium.jpg
[22:05] <eroomde> that wasn't long after we'd written the first predictor (cli app back then) so we were more confident about trying it
[22:05] <eroomde> but we did have a radius-based cutdown 9from cambridge) on the flight computer too
[22:05] <Laurenceb_> is the the fpga thing?
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[22:05] <eroomde> it came down fine, descent rate right on the money
[22:05] <Laurenceb_> some people seem to use fpga for _everything_
[22:05] <Upu> interesting cheers added to the list of ideas that someone has already done but are worth another go
[22:06] <Willdude123_> Heh, met some guy in a non technically oriented channel on another network, found out he's a ham radio operator after talking to him a bit :-)
[22:06] <heathkid> isn
[22:06] <heathkid> isn't everyone?
[22:06] <eroomde> well, floating is much easier nowadays
[22:07] <eroomde> and i think a valve in the neck is probably the best way to float heavier payloads
[22:07] Action: heathkid doesn't want to float right now... just a very fast ascent to burst
[22:07] <eroomde> but i didn't have time to design and test such a thing for this flight
[22:07] <eroomde> so knocked up the 2 balloon solution instead
[22:07] <Willdude123_> heathkid no not really
[22:07] <Willdude123_> Especially weird given it was a teenager orientated network.
[22:08] <heathkid> here's an awesome book!!! http://www.sstv-handbook.com/
[22:08] <fsphil> doesn't mention ssdv heathkid, needs updated ;)
[22:08] <LeoBodnar> wtf? http://www.clyde-space.com/documents/414/414-large.jpg
[22:09] <Willdude123_> Can't be too many hams in the world
[22:10] <eroomde> leaving work now
[22:10] <LeoBodnar> What is the difference between "oriented" and "orientated"?
[22:10] <eroomde> tomorrow dealine, tomorrow can be the overnighter
[22:10] <Laurenceb_> hahhaa
[22:10] <Laurenceb_> LeoBodnar: i didnt look closely before
[22:10] <Laurenceb_> eroomde: you work too hard
[22:10] <Laurenceb_> like the dead bug
[22:10] <eroomde> so they have it by 9am thurs morn
[22:10] <eroomde> yes i do
[22:11] <eroomde> and i don't get payed enough
[22:11] <eroomde> and and and
[22:11] <fsphil> go home :p
[22:11] <eroomde> but, rockets
[22:11] <eroomde> just wait until we get the gov funding in april
[22:11] <fsphil> mmmm
[22:11] <eroomde> i'll sponsor the whole ukhas conference with my largesse
[22:11] <Laurenceb_> it'd take we till 9am thursday to get hold of the other staff at the golf course
[22:11] <Laurenceb_> *-we
[22:11] <eroomde> moet and wild-cat-shit coffee reception
[22:12] <Upu> lol
[22:12] <Upu> I've had some of that coffee
[22:12] <eroomde> infact we can just hold the whole thing at clariges
[22:12] <eroomde> it doesn't taste particuarly different to normal coffee
[22:12] <eroomde> i thought
[22:12] <fsphil> they're all yuck
[22:12] <Upu> agreed
[22:13] <Upu> anyway night all
[22:13] <LeoBodnar> nn!
[22:13] <Laurenceb_> in 2009 our building was burnt to the ground by a faulty coffee machine
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[22:13] <LeoBodnar> roasted?
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[22:14] <Lunar_Lander> we got told about exactly this in our fire training at uni
[22:14] <Lunar_Lander> that the safety chief had a coffee machine in his office that started to smoke
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[22:15] <fsphil> as if coffee wasn't bad enough already
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[22:16] <daveake> faphil +1
[22:17] <mfa298> I think I remember having a false firealarm once from a coffee machine
[22:17] <mfa298> it generated too much steam and triggered the detector
[22:21] <bertrik> someone opened the dishwasher too soon in the university cleanroom once, expensive mistake
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[22:35] <fsphil> why was there a dishwasher in a cleanroom?
[22:36] <bertrik> to clean the glassware I guess
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[22:39] <fsphil> is it still there?
[22:41] <bertrik> I don't know, this was 15 years ag
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[00:00] --- Wed Oct 23 2013