highaltitude.log.20131212

[00:03] <Willdude123> mfa298 the project might take long enough that I am a full licensee when I get it working!
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[00:05] <mfa298> Geoff-G8DHE: in it's location on the map it might just vanish into thin air.
[00:06] <Geoff-G8DHE> Quite! Its probably hgolding its noise given its right above the Sargasoo sea
[00:06] <Geoff-G8DHE> Its stuck in th gyre
[00:06] <mfa298> Willdude123: well if you're trying to write your own remote control software there will be some interesting challenges.
[00:08] <mfa298> one of the things to consider is what happens if your transmitting and the internet link goes down
[00:10] <Willdude123> Our local network is somewhat versatile, if it goes down, it's probably due to power cuts.
[00:10] <Willdude123> I think my problems were with the isp
[00:11] <Willdude123> The only times I've ever had a powrr cut (afaik) is during storms
[00:12] <mfa298> if your writing software to control a transmitter those are the sorts of things you need to think about - you can't have it stay in transmit mode if your link to it goes down (for any reason)
[00:12] <Willdude123> Indeed.
[00:13] <Willdude123> I am getting a friend from Canada to help me a bit
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[00:13] <mfa298> so ip link failing, controlling pc failing, your local pc failing.
[00:13] <mfa298> it's a good exercise in making code that fails safely.
[00:13] <gonzo___> need regular pings to keep it alive. Else fail safe
[00:13] <Willdude123> I will think about SIP
[00:14] <Willdude123> Raspi/soundcard crash is spmething to consider too
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[00:14] <gonzo___> I have a udp relay box that I want to use to drive the centrfal heating boiler. But need to make some sort of watchdog for it. So if the comms dies, the boiler will drop back to some safe state
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[00:15] <gonzo___> and some completely separate system to shut down/reboot is useful.
[00:16] <Willdude123> Would it be slightly overcautious to have a remote turnoff for everything?
[00:16] <gonzo___> there are some useful car gps trackers I use for that. They have some relay outputs that you can fire by sms
[00:16] <Willdude123> Well, actually I could do with control for the radio's power
[00:16] <gonzo___> I use mine to reboot the server
[00:17] <Willdude123> wonder if the rasoberry pi does wol
[00:17] <Willdude123> Ideally, I want it to use the least power possible at night
[00:17] <Willdude123> Or when not operating
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[00:17] <mfa298> don't think the pi does wol (it doesn't have built in psu) but I think there is a watchdog on it
[00:17] <gonzo___> surely you can afford a few watts to keep a pi running
[00:19] <mfa298> I think my old clock radio uses more power than a pi! (or at least would if it was plugged in)
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[00:20] <gonzo___> mine does. It's a dab radio. So no need for a fan heater in the room!
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[00:20] <mfa298> Willdude123: the point of making things fail safe is to try and identify every way it could fail and put something in place to deal with that failure. However adding those failsafes adds to the complexity so more to go wrong.
[00:20] <mfa298> it's a great engineering challenge
[00:22] <gonzo___> kmtronics do some nice relay boxes
[00:22] <gonzo___> rs232 and web/udp
[00:22] <Willdude123> indeed
[00:22] <gonzo___> open contact outouts, so you can wire than in series with other ccts, loike power, ptt etc
[00:23] <gonzo___> so can always log in and disable. (assuming you still have an internet connection
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[00:23] <gonzo___> that's why I prefered a seperate link for emergenct shut off, like the gsm network
[00:24] <mfa298> within the IT world you often try to do the same (raid in case a drive fails), and it's commonly accepted that adding some extra resiliance adds several zeros onto the price, so going from 99.99% uptime (52 minutes outage a year) to 99.999% (5 minute outage a year) might take your price from 10,000 to 1,000,000
[00:25] <gonzo___> even having a waterproof box outside, with a kill switch. That you can ring up an freind and ask them to press
[00:25] <gonzo___> we had that on an AR repeater a while ago
[00:25] <Willdude123> Jesus christ
[00:26] <Willdude123> the powet supplies for the ft 857 are £200
[00:26] <gonzo___> well, he could do it. But offcom need him to live within 20mis
[00:26] <gonzo___> mins
[00:26] <mfa298> you can get a decent power supply for most rigs for less than that.
[00:26] <gonzo___> it's only a std 13.8v psu
[00:27] <gonzo___> ttfo now. gn
[00:27] <Willdude123> Can someone do me a huge favour and see if they can connect to irc.awfulnet.org? looks down from here
[00:27] <mfa298> buying a Yaesu branded PSU is like buying a designer item - half the price you pay is for tha badge
[00:28] <Willdude123> Hmm interesting. Not sure how to safely switch the radio on and off
[00:28] <Willdude123> unless you can do that by seriak interface
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[00:28] <mfa298> depends on the radio, some you can do it over serial
[00:30] <mfa298> if you're not going to be able to afford a multiband / multimode radio for a while you might be best off getting a cheap 2/70 handheld radio
[00:30] <mfa298> you should at least be able to get some contacts via the local repeaters
[00:30] <Willdude123> I may be able to dip into savinfs
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[00:32] <Willdude123> The part of my savings not owed to me by my parents at the moment is probably just about enough
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[00:33] <mfa298> I'd still plan on operating the radio locally as well rather than remotely. It's much easier to do things when you're sat in front of it - especially if you're trying HF
[00:33] <mfa298> although don't forget for a HF station there will be more costs (things like ATU)
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[00:34] <Willdude123> Indeed, I shall only operate like this when it would be innapropriate to come into my grandadd's house
[00:35] <Willdude123> So, I'd need to safely switch the radio on and off using a relay. Safely, not sure that's really possible
[00:36] <mfa298> you'de need a hefty relay and I'd want to research the radio first.
[00:37] <Willdude123> Yeah reading the operation manual
[00:37] <mfa298> for some radios the finals (the output amplifier - generally transistors on newer radios) can be known to fail if odd things happen to the power supply
[00:37] <Willdude123> Ah
[00:38] <mfa298> generally for radio's going to 100W they run from 13.8V @ ~20A
[00:39] <Willdude123> I am a little apprehensive that I can do this project
[00:39] <Willdude123> However it is a good learning experience
[00:39] <Willdude123> Minor issue
[00:39] <Willdude123> My dad hates electronics being on at night
[00:40] <Willdude123> He doesnt't generally let me leave my PC on when out of the house
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[09:27] <DL7AD> morning
[09:37] <nats`> hi boyz !
[09:40] <eroomde> morning all
[09:40] <nats`> hi eroomde :)
[09:41] <eroomde> all well down south?
[09:41] <nats`> you mean in France ?
[09:41] <nats`> cold like frozen hell
[09:42] <eroomde> yes france
[09:42] <eroomde> that's a shame
[09:42] <eroomde> not actually too cold here
[09:42] <nats`> Willdude123 if you search for a radio you can find some 857 yaesu rig with the V/UHF transistor dead
[09:42] <nats`> all the other work
[09:42] <nats`> replacing it is "easy"
[09:42] <nats`> I still need to replace it on mine
[09:42] <nats`> eroomde when I say cold like hell it means 0° :D
[09:43] <nats`> 0°C
[09:43] <nats`> not kelin :p
[09:43] <nats`> kelvin
[09:44] <eroomde> i guessed C
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[09:46] <DL1SGP> hello all!
[09:49] <LeoBodnar> hello *
[09:49] <Steve_G0TDJ> 'Morning folks
[09:49] <LeoBodnar> and gooood morning
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[09:52] <fsphil> annoyingly mild here
[09:53] <Steve_G0TDJ> Annoyingly?
[09:53] <Steve_G0TDJ> Brassic here in Crayford
[09:53] <fsphil> overnight temperatures where in double figures
[09:53] <fsphil> and tonight again
[09:54] <eroomde> brassic as in brass monkeys?
[09:54] <Steve_G0TDJ> Roger
[09:54] <eroomde> that's an awesome word
[09:54] <Steve_G0TDJ> :-)
[09:54] <eroomde> i shall use it
[09:54] <fsphil> that's a brassic morning
[09:54] <fsphil> maybe not
[09:54] <Steve_G0TDJ> eroomde: It's my sarf eas london roots
[09:55] <Geoff-G8DHE-M> Cool overnight -1.5° but warming up now 2.4° http://weather.g8dhe.net/wdl/
[09:55] <fsphil> currently 13C here if bbc are to be believed :(
[09:55] Action: fsphil wants snow
[09:56] <Geoff-G8DHE-M> BBC nope get out there with a thermometer !
[09:56] <eroomde> :)
[09:56] <Geoff-G8DHE-M> BBC always show the worst report from the ensemble rather than the median!
[09:56] <nats`> is it true that if you have 0°K it means nothing move even the "light" and the electron ?
[09:56] <eroomde> the space shuttle has a 17" dia fuel feed pipe
[09:57] <eroomde> that's mad
[09:57] <eroomde> i get intimidated by when we design stuff that uses 1.5" pipe
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[10:05] <DL7AD> its very foggy here in berlin -.-
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[10:11] <cuddykid> looks like I might be able to get this balloon landing very near cambridge if predictions hold http://predict.habhub.org/#!/uuid=fa60ec299bf363ebfb031be7803ab34ad938eb2e
[10:12] <cuddykid> and my filling skills are on top form..
[10:12] <daveake> extra points for landing at a launch site
[10:12] <cuddykid> :)
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[10:12] <daveake> probably best not to land *in* Cambridge though :p
[10:13] <daveake> About time I flew again. It's been weeks.
[10:13] <cuddykid> the idea is that one of the car-less uni people can simply reach out the window and fetch it!
[10:13] <LeoBodnar> thanks for the latex daveake it has landed
[10:13] <daveake> ah cool
[10:13] <daveake> Accurate landing then
[10:14] <LeoBodnar> testing time looms
[10:14] <daveake> I shall await the results eagerly :)
[10:15] <gonzo___> someone mentione dthat there was a recent speculation that drones would soon be used for generic delivery by commectial companies. Are we now there with HAB?!
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[10:15] <cuddykid> daveake: do you know what the latest time ordering h2 cylinder for delivery tomorrow is?
[10:16] <gonzo___> could revolutionise the delivery of teddybears and potatoes
[10:16] <daveake> cuddykid best before 2pm
[10:16] <daveake> do it now
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[10:17] <daveake> might not work so well with pets
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[10:18] <eroomde> LeoBodnar: are you launching a latex?
[10:18] <eroomde> if so, splendid
[10:18] <Darkside> woah
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[10:23] <LeoBodnar> I am discussing options with interested parties :)
[10:23] <LeoBodnar> Darkside: got your Olivia code working yet?
[10:24] <Darkside> err
[10:24] <Darkside> nope
[10:24] <Darkside> havent done any work on it
[10:24] <Darkside> had other stuff to do
[10:24] <LeoBodnar> did you remember to pass final modulation results via gray encoder?
[10:25] <Darkside> well
[10:25] <Darkside> i didnt implement it from scratch
[10:25] <Darkside> i tappd into fldigi and had it printf the symbols
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[10:26] <LeoBodnar> I forgot so after banging my head against the wall have run same data through my code and fldigi and created a lookup table routine called unfuck()
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[10:27] <Darkside> haha
[10:27] <Darkside> but yeah, i knew it was gray coded
[10:27] <LeoBodnar> to my astonishment lookup table turned out to look gray code
[10:27] <Darkside> th wikipedia pag on olivia is prtty good
[10:28] <LeoBodnar> I went back to Olivia spec and here it is in plain English "passed through gray code encoder"
[10:28] <Darkside> hh
[10:28] <Darkside> hehehe
[10:30] <LeoBodnar> I guess it equalises/whitens MFSK transitions delta frequencies?
[10:36] <eroomde> http://en.wikipedia.org/wiki/Knolling
[10:36] <eroomde> yep
[10:37] <Darkside> LeoBodnar: means inter-symbol rrors have less effect
[10:37] <Darkside> only one bit vs lots of bits
[10:37] <Darkside> quite important actually
[10:38] <Darkside> it means you can be tuned off by one tone spacing, and depending on the FEC used, you may still get data out of it
[10:38] <Hix> cuddykid
[10:39] <Hix> oops - south of Cambridge - I can have a go at playing fetch.
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[10:50] <cuddykid> Hi Hix - thanks - latest predictions have been edging northwards - but who knows what will happen on the day!
[10:50] <Geoff-G8DHE> Which day ?
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[10:51] <cuddykid> saturday
[10:51] <Geoff-G8DHE> Ah another two days of rest then :-(
[10:51] <Geoff-G8DHE> back to tracking Sindes
[10:51] <Geoff-G8DHE> Sondes even
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[10:57] <cuddykid> cheapest place to get lithiums from?
[10:58] <eroomde> ebay
[10:58] <eroomde> by the 72
[10:59] <eroomde> MSP430 chips now come with FRAM
[10:59] <eroomde> FRAM is cool, it is non-volatile, and 10^lots more impervious to radiation problems
[10:59] <eroomde> it's also orders of magnitude lower power to write to and read from than flash
[11:00] <eroomde> on the MSP430 parts you can arbitrarily set the partition between 'data' and 'program' in the linker, but it's all fram
[11:00] <eroomde> it could be just the jazz for a low power payload, though of course amdahls law says you go after the GPS and the radio, but i'm not quite sure how much space there is for power-sabving with those
[11:01] <fsphil> it can reprogram itself?
[11:01] <eroomde> especially the gps given it's a big black box, and power-improvements are probably larger a function of the asic correlations being done on smaller fab processes
[11:01] <eroomde> fsphil: yes. it'll blow your mind
[11:01] <jonsowman> yeah I was looking at the FRAM MSPs the other day
[11:01] <jonsowman> very cool
[11:01] <fsphil> not done self-modifying code since the C64. my conclusion was, don't do it :)
[11:02] <jonsowman> what could possibly go wrong? ;)
[11:02] <eroomde> i like the idea of hot-resets
[11:02] <fsphil> but it would be nice for remote upgrades
[11:02] <fsphil> upload a patch
[11:02] <eroomde> could be just the thing for critical real-time stuff
[11:03] <eroomde> yes, in-flight reprogramming would be pretty jazz
[11:03] <jonsowman> could be fun
[11:03] <jonsowman> /funny
[11:04] <eroomde> like a proper space mission
[11:04] <eroomde> i think an msp430 might make a great radio mcu
[11:04] <fsphil> faulty antenna? upload a patch to slow the baud rate
[11:04] <eroomde> you could use it as a supervisor for something more beefy, that has more flash
[11:05] <fsphil> increase the FEC, galileo style
[11:05] <eroomde> and have it boot it and reprogram it
[11:05] <eroomde> as i think they're limited to 16kB of fram
[11:05] <eroomde> fine for hab, less good for beefier stuff
[11:05] <eroomde> but would be fine for a radio
[11:06] <eroomde> once we get full duplex 1.2kb/s comms with a hab being routine, all of our wildest dreams will come true
[11:06] <fsphil> stick an arm behind it
[11:06] <jonsowman> mm
[11:06] <jonsowman> yes
[11:06] <eroomde> we can finally enact the Dan Bowen fantasy of a mission control
[11:06] <fsphil> is there much involved in programming a typical arm chip?
[11:06] <fsphil> I just realised i don't even know how avr chips are programmed
[11:06] <eroomde> with hot benchtop clones of the flight hardware being live-tested with new patches in real time before they get uploaded
[11:07] <eroomde> and ops done by people whove run hudreds of simulations
[11:07] <eroomde> fsphil: not really, it's basically just spi
[11:07] <eroomde> fart in a load of instructions in address order
[11:07] <jonsowman> yeah ICSP = SPI
[11:07] <fsphil> ah, so basically "I'm about to send the program.. here I go... 01 04 05 ..."
[11:08] <eroomde> but you can access specific portions too
[11:08] <jonsowman> stm32s have a serial bootloader which is pretty much the same
[11:08] <eroomde> so you could do a binary patch inflight
[11:08] <eroomde> fsphil: yes
[11:08] <eroomde> but i think you specify a start address
[11:08] <eroomde> much like a linker script
[11:09] <jonsowman> for AVRs there's just program space iirc, bootloader area is set by fuses
[11:09] <fsphil> it is
[11:09] <jonsowman> harvard arch etc
[11:09] <fsphil> well, bootloader size
[11:09] <fsphil> I think the location is fixed?
[11:09] <jonsowman> yes indeed, sorry
[11:09] <jonsowman> ARMs are von neumann or whatever, so you have to be a bit more clever
[11:09] <eroomde> i much prefer that anyway
[11:10] <jonsowman> agreed
[11:10] <jonsowman> it is better
[11:10] <eroomde> i like being able to put different bootloaders in different bits of memory
[11:10] <eroomde> e.g. over tcp/ip, which is what I'm doing with something atm
[11:10] <jonsowman> more flexibility is always good
[11:10] <eroomde> yes
[11:10] <eroomde> just need to get the lisp REPL on there, then we're sorted
[11:11] <jonsowman> :|
[11:11] <eroomde> this is my deadly-serious face
[11:12] <jonsowman> how're things going eroomde? didn't get to chat at cusf dinner
[11:12] <eroomde> no indeed, sorry about that. loads of people i'd not really seen before
[11:12] <eroomde> things are going well, busy here
[11:12] <eroomde> in a nice way
[11:12] <jonsowman> good to hear, Iain said similar things
[11:13] <eroomde> some very exciting stuff next year, which is very motivating]
[11:13] <eroomde> how's the PhD?
[11:13] <jonsowman> yeah good, very busy too
[11:13] <jonsowman> enjoying it though
[11:14] <jonsowman> still not enough time for personal projects as one would like
[11:14] <eroomde> yes
[11:14] <eroomde> tell me about it
[11:14] <jonsowman> though admittedly more than last year
[11:14] <eroomde> but i don't mind given work is so interesting
[11:14] <jonsowman> true
[11:14] <eroomde> i just can't really talk about anything i'm doing on here, which is a shame
[11:15] <eroomde> one day when I have billions i'll start a rocket company that's all open source and open hardware
[11:15] <jonsowman> haha yes that is a pity
[11:15] <jonsowman> :D
[11:15] <jonsowman> do it
[11:16] <fsphil> first company with an HQ in ORBIT
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[12:59] <SpeedEvil> On the topic of solar.
[12:59] <SpeedEvil> http://spacestationlive.nasa.gov/displays/spartanDisplay1.html
[12:59] <SpeedEvil> Completely awesome.
[13:00] <stilldavid> well that's cool.
[13:00] <stilldavid> they do love their acronyms.
[13:01] <SpeedEvil> :)
[13:02] <SpeedEvil> http://spacestationlive.nasa.gov/displays/ethosDisplay1.html internal temperatures and pressures. The urine tank is 5% full.
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[13:14] <MLow> hi im back
[13:17] <MLow> i was in here febuary last year...
[13:17] <MLow> oh nvm
[13:17] <fsphil> we never forget
[13:17] <MLow> hey!
[13:18] <fsphil> your irc client has been disconnecting/reconnecting for about a year now :)
[13:19] <MLow> well back then my intention was to launch a test balloon with my homebrew electronics, that never happened, but I had build an APRS tracker
[13:19] <MLow> oh lol
[13:19] <MLow> someone must have kicked the router
[13:19] <fsphil> got everything built for it?
[13:19] <MLow> yeah it was all done
[13:20] <MLow> helium got a little expensive and I kept putting it off waiting for maybe a drop in price or something :(
[13:20] <daveake> hah
[13:20] <daveake> not happening
[13:21] <cm13g09> daveake: Helium always rises ;)
[13:21] <daveake> inglation
[13:21] <cm13g09> isn't that right?
[13:21] <daveake> </old_jokes>
[13:21] <MLow> well now im just dumping money into savings for this
[13:21] <daveake> inflation even
[13:21] Action: mfa298 gets cm13g09's coat for him
[13:21] <MLow> but it also got me thinking, is aprs really the right thing to use
[13:22] <MLow> if i had money to throw at the solution, what kind of tracking could I do that might be better/more fun
[13:22] <cm13g09> mfa298: thanks!
[13:22] <nats`> SpeedEvil now it's 6% in the tank
[13:23] <nats`> I wonder who drank so much beer :D
[13:23] <fsphil> some of the new satellite modules are quite interesting MLow
[13:24] <fsphil> something like the rockblock
[13:25] <MLow> hmmm
[13:26] <MLow> expensive, check, uses Iridium sats, check, bare pcb you can interface to arduino or anything really, check
[13:26] <MLow> im in love
[13:27] <MLow> anyone have an opinion on cold weather launches?
[13:27] <fsphil> they're horrible
[13:28] <mattbrejza> make sure everything is assembled before you get to hte launch site
[13:28] <fsphil> and fill the balloon indoors if possible
[13:28] <fsphil> if you have somewhere with a large enough door
[13:28] <daveake> without sharp bits
[13:29] <MLow> well cold here is like 30f
[13:29] <fsphil> I found it very difficult typing in the cold
[13:29] <MLow> about as low day temps we see
[13:29] <daveake> hmm .. you could make a condom for the balloon, from bed sheets or soemthing
[13:29] <daveake> stop it getting torn on the way out
[13:30] <mattbrejza> <'SiBot' > 30F = -1C
[13:30] <fsphil> that would be useful for windy days too
[13:30] <daveake> yes
[13:30] <fsphil> that and one of those funky flow meters
[13:30] <daveake> I may have to design a workshop for the new place :p
[13:30] <MLow> my thinking is that the weather will take most of the leaves off the trees around here and potential landing zones
[13:31] <daveake> trees *are* the potential landing sites
[13:31] <fsphil> snow and ice can make recovery more difficult
[13:31] <daveake> that "dress" one landed in snow
[13:31] <MLow> snow/ice are pretty rare here, mostly on a decade basis
[13:31] <daveake> that was fun
[13:32] <SpeedEvil> MLow: Also - make sure any o-rings you use are flexible at launch temperature.
[13:32] <daveake> http://www.daveakerman.com/wp-content/uploads/2013/03/2013-02-10-12.46.14-1024x768.jpg
[13:32] <fsphil> I miss snow
[13:32] <daveake> Fortunately we hored a parachute retrieval expert ... http://www.daveakerman.com/wp-content/uploads/2013/03/P1070510-682x1024.jpg
[13:32] <eroomde> adamgreig: https://twitter.com/Pinboard/status/410870717228388352
[13:32] <daveake> hired
[13:33] <eroomde> this made me giggle
[13:33] <daveake> oops
[13:33] <fsphil> lol
[13:34] <fsphil> he may have accidently phoned Iraqspace
[13:34] <MLow> lol
[13:34] <cm13g09> fsphil, eroomde That's brilliant :P
[13:36] <MLow> ok, so I hate AGW, and it seems to be not wanting to run on windows 8
[13:36] <MLow> can fl-digi decode aprs
[13:37] <fsphil> not yet
[13:37] <MLow> my alternate plan is to use rtty
[13:37] <fsphil> upstream fldigi development code has a packet decoder
[13:37] <fsphil> which should hopefully mean dl-fldigi will get it soon
[13:38] <MLow> soon?
[13:38] <MLow> soon(tm)? or soon?
[13:38] <fsphil> yea that one
[13:39] <LazyLeopard> ...Real Soon Now, cosmically speaking... ;)
[13:39] <mfa298> I think I've had the basic AGWPE working on win8, the trick might have been to not install it in program files
[13:40] <mattbrejza> ha
[13:40] <mattbrejza> all this program does is to be a fsk decoder and post decoded strings to aprs.fi?
[13:40] <mattbrejza> and yet its a right pita?
[13:41] <fsphil> it was written my a radio amateur
[13:41] <fsphil> by*
[13:41] <mfa298> agwpe is just the ax.25 modem, doesn't even do much useful with the packets.
[13:41] <fsphil> so clearly it must have a horrible UI
[13:41] <fsphil> full of bright colours, bold text and pointless icons
[13:42] <mfa298> and written a long time ago, closed source and never updated
[13:42] <MLow> i wrote a C# program that maps the packets
[13:42] <MLow> can set a call to track
[13:42] <mattbrejza> oh yea, it just dumps stuff via a tcp port
[13:42] <mattbrejza> theres an addon for mappoint to plot recieved aprs data
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[13:44] <MLow> i set mine up to use osm data
[13:44] <MLow> and be able to cache all the OSM data you want
[13:45] <MLow> i was rather proud of it
[13:45] <mfa298> the biggest issue with most ham software is they all seem to want to write into the program folder :(
[13:46] <SpeedEvil> eroomde: :)
[13:48] <MLow> not i
[13:49] <MLow> totally portable
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[13:49] <MLow> just requires .NET because its C#
[13:53] <Hix> anyone on here use 1and1? I cant seem to ssh into my space from work or home
[13:54] <MLow> nope, i use amazon ec2
[13:56] <Hix> suppose it's going to have to be the annoying call to US based C.S then.
[13:57] <fsphil> I had a rather nice call to amazon the other day
[13:57] <fsphil> very nice friendly US support person, who had no trouble understanding my odd accent
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[14:02] <MLow> my old laptop is the only thing able to run AGW
[14:04] <fsphil> shouldn't be too difficult to make a packet decoder
[14:04] <fsphil> one with a decent UI
[14:05] <LeoBodnar> AX.25 does not decode well on good GUI
[14:05] <mfa298> As ham software goes AGWPE isn't too bad.
[14:05] <fsphil> aah that explains some of the programs LeoBodnar
[14:08] <fsphil> I guess that means multipsk is the most amazing decoder every
[14:08] <fsphil> -y
[14:10] <LeoBodnar> wtf?! http://kinklab.wordpress.com/2009/12/29/vibrator-controller/
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[14:11] <UpuWork> I am have confused
[14:11] <SP9UOB> Hi all
[14:11] <UpuWork> hey Tom
[14:11] <Laurenceb> LeoBodnar: welcome to the world of teledildonics
[14:11] <SP9UOB> MLow: Just take my dsp tnc controller: http://sp9uob.verox.pl/dstnc.html
[14:12] <UpuWork> tell you something Leo there are many things on that website I would not attach to my body
[14:12] <Laurenceb> http://kinklab.wordpress.com/2012/09/12/electrodes-again/
[14:12] <fsphil> I'm not browsing this at work but it even sounds scary
[14:12] <UpuWork> going to end up in hospital
[14:12] <SP9UOB> UPU: last battery status was 1.408V so it should still be running :-)
[14:12] <UpuWork> tbh fsphil they looks so industrial you could get away with it
[14:13] <UpuWork> well SP9UOB I've left the APRS importer going
[14:13] <UpuWork> how long do you think it has left ?
[14:13] <LeoBodnar> arrived there via stupid arduino website
[14:13] <UpuWork> yeah yeah
[14:13] <SP9UOB> hope it 'll get Spain or Portugal
[14:13] <UpuWork> no launches for 2 weeks leo browsing electro stimulus websites
[14:13] <LeoBodnar> honest 'gov
[14:13] <eroomde> one of the sentiments I get overhwelmed by a lot, now that I'm a grown up engineer, is total despair about how difficult it is to give money to a company that makes things to sell, when I want one of their things
[14:14] <eroomde> 'I JUST WANT TO GIVE YOU MY MONEY'
[14:14] <UpuWork> you on this site was well eroomde ?
[14:14] <nats`> "I admit, I must have some kind of electro stimulation fetish. So guess what I did. I was building some more electrodes. Last week I visited my favorite hardware and home improvement store after long abstinence."
[14:14] <fsphil> hah
[14:14] <nats`> Ok I'll stop reading that immediately
[14:14] <eroomde> sometimes they won't even give me a quote without spending a week deciding if they can give me a quote
[14:14] <nats`> first the guy love to be electrified but secondly he used arduino for that
[14:14] <nats`> oO
[14:14] <UpuWork> very oO
[14:14] <Laurenceb> wonder if its ISO10993 compliant
[14:14] <UpuWork> .o(WTF!)
[14:15] <SP9UOB> Lol
[14:15] <nats`> EN60950 fail :p
[14:15] <UpuWork> just had to google that Laurenceb
[14:15] <nats`> Fifty shade of arduilol
[14:15] <mattbrejza> must remember to read links before clicking...
[14:16] <nats`> yep
[14:16] <mattbrejza> and look at who sent it too
[14:16] <UpuWork> indeed if a link is send by Laurenceb be wary
[14:16] <Laurenceb> hey i didnt post it first :P
[14:17] <LeoBodnar> what's up? [whistling innocently]
[14:17] <Laurenceb> see its actually very useful
[14:17] <Laurenceb> lol
[14:17] <Laurenceb> http://kinklab.wordpress.com/2010/02/20/evaluating-sparkfuns-microphone-breakout-boards/
[14:17] <nats`> ....
[14:18] <Laurenceb> useful hobby stuff right there
[14:18] <nats`> Laurenceb let me guess it's a triggering device for "electro pleasure"
[14:18] <nats`> ....
[14:18] <nats`> that's totally weird
[14:18] <LeoBodnar> "Since my future project isnt aiming for hifi audio but only for the noise level present..." I can see what's coming
[14:19] <nats`> Good news everyone ! I don't want to leave on this planet anymore !
[14:19] <nats`> but what's the worst the arduino part or the weird sexual part...
[14:19] <mattbrejza> well at least the kids are at school...
[14:19] <LeoBodnar> They match each other well
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[14:20] <nats`> uhhmm true
[14:20] <nats`> maybe one day Valentina the dolls will be powered by arduino
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[14:22] <nats`> ohh I have an idea for the next post in this blog some device powered by the 100W output of a HF transmitter !
[14:22] <nats`> vibe to the sound of the ether !
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[14:24] <LeoBodnar> interesting APRS stuff https://www.argentdata.com/catalog/index.php?cPath=22
[14:24] <SP9UOB> i must try it in my next hab ;-) http://www.youtube.com/watch?v=skAePZGgpAA#t=71
[14:25] <nats`> SP9UOB at the beggininf I thought it was an other super unity crazy boyz
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[14:26] <ike> hi guys
[14:26] Geoff-G8DHE_ (~Geoff-G8D@geoffg8dhe.plus.com) joined #highaltitude.
[14:26] <ike> you are best ham channel here
[14:26] <eroomde> it's not a ham channel
[14:27] <eroomde> it's a channel about high altitude tinkering
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[14:27] <LeoBodnar> shush it's goverment conspiracy it's actually E=mc^3 not c^2
[14:27] <ike> yes but hamchannel is so borring
[14:27] <eroomde> there is a large ham overlap through tracking, admittedly
[14:27] <eroomde> but that's just one aspect
[14:27] <LeoBodnar> we convert hams back into people here
[14:27] <SP9UOB> ike: mean age 60 yrs ;-)
[14:28] <eroomde> we cure the hams
[14:28] <eroomde> baddum-ching
[14:28] Action: Laurenceb throws some dimensional analysis at LeoBodnar
[14:28] <Geoff-G8DHE_> OT: http://tinyurl.com/nwmxnuz
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[14:28] <LeoBodnar> I am transparent to sanity
[14:29] <eroomde> Geoff-G8DHE_: i can already tell that this is wonderful
[14:29] <eroomde> thank you
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[14:30] Nick change: Geoff-G8DHE_ -> Geoff-G8DHE-M
[14:30] <Geoff-G8DHE-M> I loved the shared space diagram
[14:30] <ike> I wish chinise start selling modules like this https://www.tindie.com/products/DORJI_COM/ham-radio-amateur-radio-wireless-audio-module-walkie-talke-module/ but at 144-146MHz range
[14:30] <Geoff-G8DHE-M> Eric Pickles :-)
[14:30] <ike> this will be so sweet
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[14:30] <nats`> eroomde you make HAM jam ?
[14:30] <ike> 1W APRS in sky
[14:32] <eroomde> i don't think you can make ham jam
[14:32] <eroomde> hams don't have enough pectin
[14:32] <nats`> add saturated fat !
[14:32] <nats`> saturated fat make everything good !
[14:33] <eroomde> maybe this christmas we should replace the turkey with pork crackling
[14:33] <eroomde> a mountain thereof
[14:33] <gonzo___> gets my vote
[14:33] <nats`> I don't mind what I eat for christmas if there is good wine
[14:34] <eroomde> oh nats` !
[14:34] <eroomde> we have the winfor for our office christmas meal
[14:34] <eroomde> champagne and burgundy
[14:34] <nats`> you sent picture :p
[14:34] <eroomde> i'm very excited
[14:34] <nats`> but I don't like champagne
[14:34] <nats`> it gives me headhache
[14:34] <eroomde> :O
[14:35] <nats`> I prefer good red wine like romanet
[14:35] <eroomde> i'd live on it if death wasn't the result
[14:35] <nats`> or white one like pouilly fuisse
[14:35] <nats`> eroomde death is the result of living not of alcohol intake :p
[14:35] <eroomde> yeah they're not getting romanee conti for the office dinner
[14:35] <eroomde> sadly
[14:35] <eroomde> but chambolle musigny, should still be nice
[14:36] <nats`> yep
[14:36] <nats`> and why romanet conti
[14:36] <nats`> take some von romanet
[14:36] <nats`> that's good too
[14:36] <nats`> romanet conti is too expensive
[14:36] <nats`> xkeuro the bottle
[14:36] <nats`> thanks but no
[14:38] <nats`> vosne my bad
[14:38] <nats`> I was searching the writing
[14:38] <eroomde> so my family is from beaune
[14:38] <eroomde> so we don't do cote-de-nuits reds
[14:38] <eroomde> that would be like someone in manchester supporting liverpool
[14:39] <nats`> hey if the wine is good :p
[14:39] <nats`> wine is agnostic :D
[14:39] <ike> eroomde when you say manchester here it does not mean what you mean
[14:39] <ike> manchester is encoding
[14:40] <eroomde> manchester is a city
[14:40] <LeoBodnar> it's sexist - there should be womanchester too
[14:41] <eroomde> somewhere in the north there will be weird enough accents for it to sound like womancher, probably
[14:44] <gonzo___> thisn is all leading to a two-ronnies sketc
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[14:54] <Willdude123> Argh. This is killing my head
[14:56] <Willdude123> I need to figure how to get a 3.5mm jack audio signal into a yaesu radio which is some RJ45 connection
[14:57] <Willdude123> There are 0 adapters.
[14:57] <eroomde> sugru
[14:57] <eroomde> next?
[14:57] <mfa298> buy tools, make adapter.
[14:57] <gonzo___> take a ethernet patch lead, cut the end off, solder whatever you want on the other end
[14:58] <gonzo___> preferably using a screened FTP lead
[14:58] <LeoBodnar> eBay
[14:58] <mfa298> although if this still the same as last night you need the radio and full license first!
[14:58] <LeoBodnar> if it can be done it exists already
[14:58] <Willdude123> Right, not sure if the audio from the audio pin can go straight into a jack connector
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[14:58] <Willdude123> Will google
[14:59] <gonzo___> you may be worth looking at using the acc connector.
[14:59] <Willdude123> mfa298: worth starting now, I think it's going to be a long long time
[14:59] <Willdude123> *take
[14:59] <mdcarter> hello everyone
[14:59] <gonzo___> though not sure of that socket has just the FM lines
[14:59] <Willdude123> That said I have higher level problems
[15:00] <mfa298> making a cable like that should be around 15 minutes with the right tools.
[15:00] <gonzo___> will, if this is just to talk to a radio next doow. Can you not just run a munitcore across
[15:00] <Willdude123> That's not difficult enough
[15:01] <gonzo___> a simpl plan has more chance of success
[15:01] <gonzo___> you can always add more /complicated functionality aletr
[15:01] <gonzo___> later
[15:02] <mfa298> look up the KISS principle, it's always worth bearing in mind
[15:02] <fsphil> "Argh. This is killing my head" ..... "That's not difficult enough" :)
[15:03] <gonzo___> use some twisted pair for audio, with transformers each end and dc switching with relays for control. and a direcvt wired remote system. You can always then start to integrate internet control into it, tgetting each bit working as you go
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[15:14] <eroomde> mdcarter: hello!
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[15:31] <MLow> ok so last time i was in here i think we established that i purchased the wrong radio from radiometrix
[15:31] <MLow> the HX1-144.390-10 or -3 or something
[15:31] <eroomde> progress
[15:31] <MLow> i bought the -3
[15:32] <MLow> the trackuino which does aprs beaconing using that radio uses the -10
[15:32] <MLow> 5khz version
[15:33] <MLow> so im basically screwed over $70, but I felt I should warn any looking into it
[15:33] <SpeedEvil> MLow: You're not in the UK are you
[15:33] <MLow> the -3 is 1.5khz bandwidth restricted module and can't do proper aprs...ouch
[15:33] <MLow> SpeedEvil, yes
[15:33] <ike> I'm waiting for this modules to become at 144.800MHz http://www.ebay.com/itm/Si4463-module-wireless-RF-transceiver-module-Arduino-Picaxe-/200987921652?pt=LH_DefaultDomain_0&hash=item2ecbd04cf4
[15:33] <MLow> I am in USA
[15:33] <SpeedEvil> :/ Ebay?
[15:34] <MLow> ebay...
[15:34] <SpeedEvil> (resell)
[15:34] <SpeedEvil> I doubt it'd sell well though
[15:34] <SpeedEvil> Yu can always ask them about restocking
[15:34] <MLow> anyways, i gotta zip but i felt I should anounce that, because it sucks to get the slightly wrong module out of pure accident, and be screwed
[15:34] <UpuWork> MLow the -3 version works
[15:37] <gonzo___> can't blame the vendor for an ordering error
[15:38] <UpuWork> there is no -10 version of the 390 module
[15:38] <UpuWork> sorry
[15:38] <UpuWork> take that back
[15:39] <UpuWork> MLow buy them off me I'm cheaper and mine are -10's
[15:40] <eroomde> also his modules are cheaper
[15:40] <UpuWork> 145.175 is only in -3
[15:40] <fsphil> http://instantrimshot.com/
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[15:42] <UpuWork> chortle
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[15:50] <OZ1SKY_Brian> Nice troposcatter today, we just need a HAB to send a signal, hi
[15:51] <eroomde> hello?
[15:51] <gonzo___> if it's that good, send it from the ground!
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[15:55] <OZ1SKY_Brian> gonzo___ hehe yeah
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[15:59] <fsphil> hello hello eroomde
[16:02] <ike> http://www.dans.bg/en/about-sans-menu-en - intelligence gathering on behalf of alien forces;
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[16:05] <jcoxon> afternoon all
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[16:05] <fsphil> howdy jcoxon
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[16:06] <jcoxon> hey fsphil
[16:07] <eroomde> yoyoyoyoyo jcoxon
[16:08] Nick change: Randomskk -> adamgreig
[16:09] <jcoxon> hey eroomde
[16:11] <Hix> any web scraping knowledgables out there?
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[16:43] <Geoff-G8DHE> Ooh new "Dongle" http://groups.yahoo.com/neo/groups/sdr-radio-com/conversations/topics/18983
[16:44] <Geoff-G8DHE> http://uk.groups.yahoo.com/neo/groups/airspy/photos/photostream
[16:44] <fsphil> GPL issues?
[16:44] <Geoff-G8DHE> Apparently not! :-)
[16:46] <mfa298> 10MHz bandwidth sounds nice :D
[16:46] <Geoff-G8DHE> Indeed and 12bit so better dynamic range
[16:48] <Geoff-G8DHE> and they are retaining ability to add daughter boards for other ideas like Tx ...
[16:50] <fsphil> ah, sdrsharp is not free software in the GPL sense
[16:50] <nats`> nop specific license
[16:50] <nats`> but I hate all the GPL troll
[16:51] <nats`> people doing soft can decide on their own the license they want
[16:51] <fsphil> indeed
[16:51] <eroomde> although making up licenses is annoying
[16:52] <fsphil> making entirely new hardware just to avoid GPL'ed code is a bit drastic :)
[16:52] <fsphil> not entirely unwelcome though. hopefully the hardware is well documented so everyone can use it
[16:52] <Geoff-G8DHE> But 12bit and 10MHz isn't !
[16:53] <fsphil> there should be more of these dongles with a TX option by now
[16:53] <Geoff-G8DHE> Don't you just hate it when a disk drops out of a RAID array for no visible reason :-(
[16:54] <fsphil> raid is frequently annoying
[16:54] <mattbrejza> screws come off?
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[17:11] <mfa298> I thinkraid has caused me as many problems as it's solved at home
[17:12] <fsphil> good for speed
[17:12] <fsphil> but that's about it
[17:13] <Geoff-G8DHE> It's saved me several times, and helps with speed, especially for processing the Pano's!
[17:13] <Geoff-G8DHE> Its just your more nervous about making changes when a disk does have a problem, to make sure you
[17:13] <Geoff-G8DHE> don't do anything silly with the remaining one until its rebuilt!
[17:14] <fsphil> hot swapping is handy too
[17:14] <mfa298> I think it slows down my VMware ESXi box, but that's got proper hardware raid set to protect mode so it checks data is written before confirming it is.
[17:14] <mfa298> and sata probably isn't the right choice for that sort of access profile, SAS or SSD would be better.
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[18:33] <Willdude123> I passed
[18:33] <mfa298> well done, now you need a callsign and radio.
[18:34] <Willdude123> Heh
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[18:37] <Ericcc> any one know which size is suit to about 1000g things?
[18:38] <mfa298> Ericcc: do you mean what size balloon for a 1000g payload ?
[18:39] <mfa298> if so have a play with http://habhub.org/calc/
[18:39] <Ericcc> thanks!
[18:39] <Ericcc> I have another question
[18:39] <Ericcc> oh
[18:40] <Ericcc> I mean if I fly a 1000g payload
[18:40] <Willdude123> M6WGD is taken
[18:40] <Ericcc> how big parachute should I get
[18:42] <Ericcc> will the Li-ion battery still work at 30000m?
[18:42] <mfa298> There's a calculator for parachutes at http://randomaerospace.com/Random_Aerospace/Parachutes.html there should also be a page on ukhas.org.uk
[18:42] <Ericcc> Thats pretty cold and low pressure will it break?
[18:42] <mfa298> cold might reduce it's performance.
[18:43] <mfa298> you may also want to question whether you really need to fly 1000g of stuff, that's fairly heavy compared to what a lot of UK people fly.
[18:44] <Ericcc> Im planning for my first flight
[18:44] <mfa298> more weight will generally need bigger balloon and more gas so costs more
[18:44] <Willdude123> So. M6KIK
[18:45] <Upu> M6EMO taken ?
[18:45] <Upu> :)
[18:45] <Upu> congrats btw
[18:45] <Upu> whens the intermediate ?
[18:45] <Willdude123> 22nd and 23rd feb
[18:46] <Ericcc> what do most people use to power supply
[18:46] <Ericcc> still the li-ion better?
[18:46] <Ericcc> bettery
[18:46] <mfa298> Energizer Ultimate Lithium's are popular, but it might depend on what youre powering
[18:46] <Upu> err no
[18:46] <Upu> those batteries Ericcc
[18:47] <OZ1SKY_Brian> congrats Willdude123
[18:47] <Willdude123> Upu: I'm not an emo. That's a social group I don't want to mix with. Plus I sorted those problems out.
[18:47] <Willdude123> Thanks
[18:47] <OZ1SKY_Brian> M6LID :-)
[18:49] <Ericcc> I want to set the camera to take picture per second. what will you set? anyone tried rasperberry pi?
[18:49] <fsphil> M6SIX
[18:49] <OZ1SKY_Brian> i know OH5LID, he is very proud of his callsign :-)
[18:50] <OZ1SKY_Brian> HAS or HAB , would look good for a flight callsign
[18:51] <mfa298> Ericcc: you can use a raspberry pi although there are some extra considerations with them. You can also use a canon camera with chdk
[18:51] <mfa298> Ericcc: where are you located in the world ?
[18:51] <OZ1SKY_Brian> Is the M6 mandatory?
[18:51] <Ericcc> Taiwan
[18:51] <mfa298> and what are you planning on flying - or have you not decided anythign yet?
[18:52] <Willdude123> I was thinking and I think I will shelve the remote operation idea and just get used to operation
[18:52] <fsphil> There may be some M5 callsigns left
[18:52] <fsphil> or was it M5?
[18:53] <Ericcc> Im collecting the information....
[18:53] <mfa298> I think you mean M3
[18:53] <fsphil> M3
[18:53] <fsphil> that' sit
[18:53] <Ericcc> there is no information here
[18:53] <mfa298> M5 was between M1 and M0 ( Full license with 5wpm morse when those things mattered)
[18:53] <fsphil> raspberry pi's are quite nice but there is more to go wrong with them
[18:53] <Willdude123> Woah
[18:54] <Willdude123> I think it got done
[18:54] <Willdude123> I have a license now
[18:54] <fsphil> compared with just a canon and a small script just to take photos every 10 seconds
[18:54] <fsphil> soon as you pick it, it's valid Willdude123
[18:54] <Willdude123> Oh awesome
[18:54] <mfa298> sitting in front of a radio to operate is much easier - especially once you get down to HF.
[18:55] <fsphil> I've never had much success on HF
[18:55] <fsphil> not with voice anyway
[18:57] <Ericcc> how does the Spot GPS messenger work? If I buy the device , Should I pay more money to active it?
[18:57] <mfa298> It's been variable for me, although I think all the contacts I've had have been under club or special event callsigns not under my own.
[18:58] <OZ1SKY_Brian> fsphil looks like M2,4,6-0 are not in use?
[18:58] <OZ1SKY_Brian> sorry M0 is
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[18:59] <mfa298> M0, M1, M3, M5, M6 are all in use. and I think one of the others is assigned to something totally different
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[19:00] <Willdude123> This is so annoying
[19:00] <Willdude123> I tried to change my password
[19:00] <Willdude123> 3 times
[19:01] <Willdude123> And now they've locked me from changing it
[19:01] <Willdude123> Despite the fact I'm logged in
[19:01] <OZ1SKY_Brian> And G9 is for commercial use somehow
[19:01] <Willdude123> So I have to phone them
[19:01] <Willdude123> They reset my password to something obvious by phone last ime because I forgot it
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[19:04] <SpeedEvil> http://habhub.org/calc/
[19:05] <SpeedEvil> If I specify a burst diameter, why isn't the altitude the same for all balloons if they've got positive lift?
[19:05] <SpeedEvil> Oh
[19:05] <SpeedEvil> never mind
[19:05] <SpeedEvil> Stupid question.
[19:11] <Willdude123> Why is it my license doc only has the first three pages?
[19:11] <Willdude123> The PDF is only three pages long
[19:12] <mfa298> I think you have to download a seperate pdf for the main terms
[19:12] <mfa298> I think that's what I linked you do the other day
[19:13] <fsphil> yea the first three pages have your details
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[19:47] <chrisstubbs> YAY hobbyking order arrived :D
[19:47] <SpeedEvil> chrisstubbs: what'd you get?
[19:48] <chrisstubbs> loads of bit to build a hexacopter
[19:48] Action: SpeedEvil is sort-of-pondering a teeny order.
[19:48] <chrisstubbs> just waiting for GPS and a regulator for it
[19:48] <chrisstubbs> one note: SCSExpress SUCK
[19:49] Nick change: Willdude123 -> M6KIK
[19:49] <fsphil> congrats M6KIK :)
[19:50] <chrisstubbs> Hah nice one
[19:50] <daveake> *daveake is now known as 2E0<pending>
[19:50] <mfa298> you've managed to do the exam then ?
[19:51] <daveake> Yup
[19:51] <daveake> craag sorted it out
[19:51] <daveake> Just got back
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[19:51] <mfa298> well done (assuming you're not upsetting their high pass rate)
[19:52] <daveake> Yes I passed :)
[19:53] <tweetBot> @daveake: That's the RSGB intermediate exam passed :-). Should be able to choose my new callsign sometime next week. #UKHAS
[19:56] <daveake> Prolly go for 2E0RPI first
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[19:58] <SP9UOB-Tom> evening all
[19:58] <Upu> evening Tim
[19:58] <Upu> err Tom
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[20:03] <SP9UOB-Tom> ;-)
[20:05] <anerDev> hi guys
[20:06] <eroomde> i love it when people come round for dinner but not until late
[20:07] <eroomde> i get to do like cheffy things like 'preparation'
[20:07] <eroomde> and then sit and wait until i need to get the oven on
[20:07] <eroomde> there is probably a chefft french word for preparation but i don't know it
[20:09] <mfa298> I thought the chefs had minions to do the preparation for them.
[20:09] <eroomde> well yes probably
[20:10] <eroomde> but i like to imagine sometimes
[20:10] <eroomde> i can shout at myself for being slow
[20:10] <eroomde> https://www.dropbox.com/s/ckho2vjxnq6ku3u/2013-12-12%2019.58.01.jpg
[20:11] <mfa298> that looks very well prepared
[20:11] <eroomde> chinesey duck with honey and soy, stirefry veg, some rice
[20:11] <eroomde> yes! it feels so novel!
[20:11] <eroomde> usually i get home at 7 with people coming at 7.30 and do a panic
[20:12] <eroomde> and try and do something from the Jamie book of lies
[20:12] <M6KIK> Heh
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[20:19] <daveake> Ah yeah I did a Jamie "cook this in 15 mins" one
[20:19] <daveake> He needs a new watch
[20:20] <Upu> I don't like his books
[20:20] <Upu> I have one
[20:21] <Upu> its just poncy
[20:21] <jonsowman> it's a lot less poncy than some
[20:21] <jonsowman> tbh, it's fine, as long as you take it as read that "Jamie's x minute recipes" really take 4x minutes
[20:23] <Upu> talking of OT I bet the head line writers loved this one :
[20:23] <Upu> http://www.bbc.co.uk/news/uk-25344656
[20:29] Action: SP9UOB-Tom finally has roof ;-)
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[20:33] <M6KIK> How can I compute the required antenna height to have LOS with my local repeater?
[20:34] <eroomde> how high is the local repeater
[20:34] <mfa298> there are websites that will show you
[20:34] <MLow> hey i got a question, my HX1 has this crystal on the back that says 144.39
[20:34] <mfa298> you can do it in google earth as well if you use the path tool
[20:34] <MLow> could i buy perhaps a different crystal and say get it to work on another frequency?
[20:35] <eroomde> infact, i have a better algorithm
[20:35] <M6KIK> eroomde: I think it's 140m
[20:35] <mfa298> you might not even need LOS for 2/70 operation to a repeater from a handheld.
[20:36] <bertrik> my rule of thumb is distance in km = 3 to 4 times the square root of the height in meters
[20:36] <fsphil> there's a 70cm repeater about 10 miles from here, and I can hear it on a handheld downstairs
[20:36] <fsphil> definitly not LOS
[20:37] <MLow> anyone got an idea on how to make this basically useless radio tuned to the APRS frequency but doesnt have the bandwidth to actually do APRS, make it usefull somehow?
[20:37] <mfa298> I think when I was a student I got into GB3SN from my room in halls on a handheld and I think you're closer to SN then I was
[20:43] <M6KIK> mfa298: tried google earth
[20:44] <M6KIK> Doesn't let you set a variable height for the path
[20:44] <M6KIK> As in repeater is higher than I am
[20:44] <mfa298> if you've get an elevation profile on the path you should get an idea of whether things are in the way or now
[20:44] <mfa298> not
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[20:46] <M6KIK> Very very poor los
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[20:46] <mfa298> for SN going from roughly where you are it looks a bit like there's a hill in the middle (near the m3), although there's less in the way for me
[20:47] <mfa298> you should be able to get into GB3ET no problem (which is on 70cms)
[20:50] <M6KIK> I guess GB3NE is a no-go
[20:50] <M6KIK> Rig that I'm starting off with is 2m only
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[21:02] <mfa298> M6KIK: looking on ukrepeater.net might help as well as there are coverage maps of where they should cover.
[21:03] <mfa298> you might want to try GB3JB as that looks like you might be in range (just about) although it's cuttently offline.
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[21:15] <Reb-SM3ULC> M6KIK: there are websites that use google maps + usgs-data for path calculations
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[21:18] <Geoff-G8DHE> For path stuff you need http://www.heywhatsthat.com/profiler.html and remember to take curvature of the Earth into account if your going for more than a few miles.
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[21:46] <DL7AD> evening
[21:46] <M6KIK> Herro
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[22:29] <M6KIK> ping Upu just to let you know ima need my vps domain changed, moving nodes again
[22:29] <Upu> mail me with changes
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[22:31] <M6KIK> Sure, I think I'll only find out the ip once they change my node on sunday
[22:31] <M6KIK> ju
[22:31] <M6KIK> So I have an amateur radio license, and nothing to do with it yet
[22:31] Action: mfa298 thinks Upu should start charging per change.
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[22:37] <M6KIK> mfa298 it's my provider's fault
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[22:55] <tweetBot> @stratodean: http://t.co/dLG1j0JGVy #santasleightest #itstime #ukhas
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[23:03] <S_Mark> Hi All - here is the video from our Stratodean 3 launch / Santa Sleigh Test last week! http://www.youtube.com/watch?v=C7lxiP4aNLY
[23:07] <cm13g09> S_Mark: impressive :)
[23:08] <S_Mark> yeah sorry about the santa voice haha
[23:08] <S_Mark> but thanks
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[23:10] <fsphil> rated PG
[23:11] <cm13g09> yep - nicely done S_Mark
[23:11] <fsphil> that's great
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[23:16] <M6KIK> Well I just read the whole ft 857 operating manual
[23:17] <M6KIK> It is making me tired
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[23:20] <DL7AD> SP9UOB-Tom: tom? how long will your balloon survive?
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[23:26] <mfa298> M6KIK: if you can't afford a radio like that for a while have a look around at the various options. There's quite a range of radios out there with various different features
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[00:00] --- Fri Dec 13 2013