highaltitude.log.20111112

[00:00] <fsphil> least I got some data decoded tonight. lately I've not been receiving too much
[00:01] <fsphil> not sure if weather is the cause or maybe water is getting into the antenna
[00:03] <gonzo_> I'm sure you will sort it phil
[00:03] <fsphil> I'm afraid of heights ;)
[00:03] <gonzo_> gn all. Ta for a good evening's balloon chasing
[00:04] <fsphil> night gonzo_
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[00:06] <Upu> right calling it a night laters all
[00:06] <staylo> Whoops, overwrote my channel log. Who was it who had hacked a 808HD keychain camera to record on demand?
[00:07] <fsphil> dave I think
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[00:08] <staylo> ah cool, thanks
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[00:11] <Graham_G3VZV> wonders what happened to Atal whilst he has been out on the town?
[00:11] <Graham_G3VZV> *Atlas
[00:11] <jcoxon> short float
[00:11] <jcoxon> then burst
[00:12] <jcoxon> very difficult launch conditions
[00:12] <Lunar_Lander> and then swim
[00:12] <fsphil> short float, followed by a drop, then another float :)
[00:12] <jcoxon> but payload performed well
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[00:15] <Graham_G3VZV> thanks- sorry I had other things I had to do...I hope you get it back soon:)
[00:15] <jcoxon> it won't come back :-)
[00:15] <OZ1SKY_Brian> im off, see you nexdt time, goodnight
[00:15] <OZ1SKY_Brian> next
[00:15] <jcoxon> thanks OZ1SKY_Brian
[00:15] <jcoxon> maybe next time for you
[00:15] <fsphil> night OZ1SKY_Brian
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[00:30] <Lunar_Lander> OK people
[00:30] <Lunar_Lander> jcoxon, thanks for a great flight!
[00:30] <jcoxon> np
[00:30] <Lunar_Lander> I wish you all a good night
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[00:39] <jcoxon> night all
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[00:59] <griffonbot> Received email: Oliver De Peyer "[UKHAS] New Mexico?"
[00:59] <fsphil> what's sort of accuracy would people normally use for gps? 0.0001 degrees?
[01:00] <Randomskk> should should suffice
[01:01] <SpeedEvil> 1m
[01:01] <SpeedEvil> A degree is 100km
[01:01] <Randomskk> in latitude or longitude? ;)
[01:02] <Darkside> i use 0.00001
[01:02] <Randomskk> does your gps really give that much useful resolution?
[01:02] <Darkside> yeah
[01:03] <Randomskk> 10cm? really?
[01:03] <fsphil> I used 0.00001 on hadie too, though it's a bit extreme maybe :)
[01:03] <Darkside> wait what
[01:03] <Randomskk> and I mean, that's 10cm at the equator
[01:04] <Darkside> 0.00001 degrees is 10cm?
[01:04] <Darkside> lol
[01:04] <Darkside> oh well
[01:04] <Darkside> we do it anyway
[01:04] <Randomskk> to be fair that could be up to 1m if it's a latitude at the equator
[01:05] <Randomskk> there's almost an argument for having a different precision in each
[01:05] <SpeedEvil> yeah
[01:05] <SpeedEvil> Not really though
[01:06] <SpeedEvil> It's only around half at UK latitudes.
[01:06] <Randomskk> for 3m accuracy GPS at best, on a HAB where to be honest we don't really even care about that, 1m is probably pointless anyway
[01:06] <Randomskk> but yea
[01:07] <Darkside> its only 2 more characters
[01:23] <fsphil> a 4 byte value gives about 1cm accuracy at the equator
[01:23] <fsphil> good 'nuff :)
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[02:13] <griffonbot> Received email: Robert Darlington "Re: [UKHAS] New Mexico?"
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[05:51] Nick change: plate -> board
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[07:54] <M1ELR> Morning everyone, what happened to Atlas?
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[07:58] Nick change: Horus -> Guest25997
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[08:07] <jcoxon> morning
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[08:21] <Upu> morning
[08:21] <jcoxon> morning Upu
[08:22] <Upu> good night last night got quite busy in here :)
[08:22] <jcoxon> yeah
[08:22] <jcoxon> was lots of fun
[08:22] <Upu> so going again next week ?
[08:23] <jcoxon> well i need to build a new payload
[08:23] <jcoxon> so will have to see
[08:25] <Upu> ok so less gas then next time ?
[08:25] <jcoxon> easier wind conditions
[08:25] <jcoxon> and less gas
[08:25] <jcoxon> was a little too fast
[08:26] <Upu> eah
[08:26] <Upu> yeah
[08:26] <Upu> though we are building up a picture of these balloons now
[08:26] <Upu> I think you had the same RoA as Ava
[08:26] <jcoxon> the ascent rate turned out to be 4m/s
[08:27] <jcoxon> rather than the 2-3 i aimed for
[08:27] <Upu> interesting it didn't float for long
[08:28] <jcoxon> i think that these balloons have a 'burst' altitude
[08:28] <jcoxon> defined by the material and then damage etc
[08:28] <jcoxon> if you reach that point it'll burst
[08:28] <jcoxon> so this balloon was 30733m
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[08:28] <jcoxon> if we had floated say at 35km it would have been a longer float
[08:28] <Upu> well manufacturer says 38km but with 5.5m/s
[08:29] <jcoxon> 37033m*
[08:29] <number10> morning
[08:29] <Upu> morning
[08:30] <Upu> what was really wierd last night , I'm listening to Atlas on USB and suddendly this voice pipes up, it was Rob Harrison transmitting but it made me jump
[08:30] <Upu> wasn't expecting it
[08:32] <jcoxon> he was talking over my balloon - how rude
[08:32] <Upu> like a Darlek
[08:37] <number10> I may have to get antenna higher next time - first uploaded was at 782m and last 2335m
[08:37] <number10> is there anyway to save all the local fldigi text decode
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[08:40] <Robert_M0RJX> Not that far off cromer then
[08:40] <Robert_M0RJX> number10 there is a log file
[08:40] <Robert_M0RJX> see if it's enabled ele it's a cut and paste
[08:41] <Robert_M0RJX> nice alt jcoxon
[08:41] <number10> I noticed in the hab mode the operations for enable text logging are not there, thanks rob, I'll take a look
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[08:43] <Robert_M0RJX> number10 misc/text capture in the config options
[08:43] <number10> ta
[08:54] <jcoxon> Robert_M0RJX, yeah not bad at all
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[09:11] <Darkside> apologies for the shit on the tracker tonight
[09:12] <Darkside> lots of payload testing to do
[09:12] <jcoxon> its okay
[09:12] <jcoxon> i've done my screenshot
[09:12] <Darkside> ok
[09:12] <griffonbot> Received email: James Coxon "[UKHAS] Re: Atlas 3 launch Friday 11/11/11 18:00ish"
[09:12] <Darkside> should be uploading now..
[09:12] <jcoxon> thought i'd leave atlas up for a bit just so people logging in can see what happened
[09:13] <Darkside> jcoxon: did you fly a ublox 6?
[09:13] <number10> its a pitty there was not a historical viewer
[09:13] <jcoxon> Darkside, no it was a 5 in the end
[09:14] <Darkside> hmm mine isnt uploading to the tracker
[09:15] <Darkside> its saying the sentences are being upload
[09:15] <Darkside> but i'm not seeing anything..
[09:15] <Upu> morning WillDuckworth, got there all ready ? wow
[09:15] <Upu> so frist class does still work
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[09:25] <Darkside> so guys
[09:25] <Darkside> does anyone know why data isnt showing up on the tracker
[09:26] <WillDuckworth> yeah Upu - thanks :)
[09:26] <WillDuckworth> surprised me
[09:26] <jcoxon> Darkside, i don't have access to the habitat debug output
[09:26] <Darkside> crap
[09:27] <Darkside> maybe its the ,;s
[09:27] <jcoxon> your data is reaching the server
[09:27] <jcoxon> its in view.php
[09:27] <jcoxon> so i suspect that the flight doc isn't correct
[09:28] <jcoxon> ping DanielRichman, Randomskk
[09:28] <Darkside> there it is
[09:28] <Darkside> it didn't like the ;'s
[09:28] <jcoxon> yeah they are trying to phase that out
[09:28] <Darkside> i changed them to ,'s and it works
[09:28] <Darkside> ok
[09:37] <fsphil> all working?
[09:37] <Darkside> yes
[09:38] <Darkside> well, apart from dl-fldigi running in a vm
[09:38] <Darkside> thats not working
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[09:43] <Lunar_Lander> hello
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[10:12] <staylo> daveake: Sorry, I'm sure I've asked about this before but I've lost the channel logs: Did you hack one of those 808 keychain cams?
[10:13] <Upu> staylo http://habhub.org/zeusbot/
[10:16] <DanielRichman> jcoxon: hi
[10:16] <staylo> Upu: Thanks :)
[10:16] <DanielRichman> is everything ok now?
[10:18] <jcoxon> oh yeah
[10:18] <jcoxon> i was pinging on behalf of Darkside
[10:18] <jcoxon> who was stressing out
[10:19] Action: SpeedEvil hugs good relatives.
[10:19] <SpeedEvil> Birthday presents arrived in post.
[10:19] <SpeedEvil> Cheap android tablet that looks quite fun. A couple of heating valves, and some thermite.
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[10:19] <SpeedEvil> Well - Al and FeO2
[10:21] <fsphil> happy explosive birthday :)
[10:21] <daveake> staylo - Yes, 3 trannies and a couple of Rs.
[10:21] <staylo> A guy could have a pretty good weekend in vegas...
[10:21] <daveake> lol
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[10:24] <staylo> Great, thanks. Do you still have any pics of the board? I'm looking through the logs but no luck so far.
[10:28] <cuddykid> I've been thinking - would putting one balloon inside another give it a greater burst alt? Perhaps the friction between the balloons might cause an earlier burst though..
[10:30] <SpeedEvil> No.
[10:31] <SpeedEvil> As the balloons don't weigh nothing
[10:33] <cuddykid> but surely it would act as greater resistance (having to stretch 2 rather than 1), or would that be negligible?
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[10:41] <SpeedEvil> Yes.
[10:41] <SpeedEvil> But the burst diameter would be constant
[10:42] <SpeedEvil> I guess to properly answer ths would need someone to measure burst pressuer
[10:42] <SpeedEvil> I think it's unlikely though.
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[10:49] <daveake> staylo - sorry, working today :-(. Will have a look
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[10:58] <daveake> staylo: See last 2 photos in this set - http://www.flickr.com/photos/daveake/sets/72157627579944313/
[11:02] <Upu> dirty hack
[11:02] <Upu> but I like it
[11:02] <daveake> Yep
[11:02] <daveake> :)
[11:04] <fsphil> ah, unrivalled image quality. 9 out of 10 blind people preferred it
[11:05] Nick change: AndChat| -> NigeyMoby
[11:06] <daveake> And the 10th blind person was mad anyway
[11:06] <daveake> or deaf and didn't hear the question
[11:06] <daveake> Buzznik won't have the camera or LEDs, but will have some heftier batteries in case it floats
[11:06] <fsphil> also "DRINK!" counts as a "yes, it's much better"
[11:06] <daveake> GIRLS!
[11:09] <fsphil> hmmm... HORUS is walking down the street
[11:10] <SpeedEvil> That would be an ecumenical matter!
[11:10] <daveake> This balloon is very small. That balloon is far, far away
[11:13] <fsphil> great show that
[11:14] <Darkside> lol fsphil
[11:15] <Darkside> i just turned it off
[11:15] <NigeyMoby> ds
[11:15] <SpeedEvil> I guess the real position was in the backyard?
[11:15] <Darkside> not quite
[11:15] <Darkside> but close
[11:15] <Darkside> it coudl only see 5 sats
[11:15] <SpeedEvil> ah
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[11:16] <SpeedEvil> Ah - clear sky (ish) to the southwest.
[11:16] <SpeedEvil> ?
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[11:55] <joph> hi fsphil, is it possible to receive with the funcube dongle the gps signal? and does an active antenna (powered via 5V through sma) works with this dongle?
[11:57] <fsphil> joph, I think the gps signal is too wide for the fcd
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[11:58] <joph> dealextreme has some sma antennas, do you have experiences with one?
[11:59] <fsphil> I don't. I usually use the one that came with my yaesu, or the watson mag mount on the car
[12:03] <SpeedEvil> In principle, you can recieve the GPS signal with a much narrower than normal bandwidth.
[12:03] <SpeedEvil> The SNR will just drop lots.
[12:03] <Darkside> yeah but its not happening with the funcube dongle
[12:03] <SpeedEvil> And the precision will fall.
[12:03] <SpeedEvil> I think tens of kHz may work.
[12:04] <joph> the gps antenna costs just 5$, so let's have a try
[12:04] <joph> gives the dongle a phantom power?
[12:05] <Darkside> joph: theres no software yo do it
[12:05] <Darkside> to do it*
[12:06] <joph> was just an idea ;)
[12:06] <Darkside> newer versions of the funcube dongle have a bias T on them, but i dont know how much current it can supply
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[12:06] <Darkside> and the funcube dongle isn't really designed to work at those frequencies
[12:07] <joph> but 434MHz and 64-150MHz are working, or?
[12:07] <Darkside> yes
[12:07] <joph> thats good
[12:07] <Darkside> the tuner chip in the funcube dongle is meant for DAB and DVB reception i believe
[12:07] <SpeedEvil> The above was a very 'in principle' answer.
[12:07] <joph> and the gsm frequency?
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[12:08] <SpeedEvil> It's theoretically possible to receive GPS with a few tens of kHz bandwidth, but it will require at least a good antenna, as you'd be losing >>90% of the signal, and the remaining signal would be harder to correlate.
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[12:35] <nosebleedKT> hello all
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[12:56] <Lunar_Lander> good afternoon
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[13:30] <nosebleedKT> well, that my new milky flight system.
[13:30] <nosebleedKT> http://a6.sphotos.ak.fbcdn.net/hphotos-ak-snc7/301353_316437105037007_259791880701530_1439918_734649948_n.jpg
[13:33] <SpeedEvil> It goes inside a milk-bottle?
[13:34] <BrainDamage> it will deployed in a cow's tit
[13:36] <Lunar_Lander> ROFL!
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[13:43] <joph> you're using a lot of connectors
[13:43] <joph> solder the parts directly
[13:44] <joph> this'll make the pcb much smaller
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[13:44] chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) joined #highaltitude.
[13:49] <SpeedEvil> And cheaper
[13:49] <SpeedEvil> And more reliable.
[13:55] <joph> yeah
[13:55] <joph> a solder joint is the best connection you can get
[14:07] <Lunar_Lander> SpeedEvil,I talked with nosebleedKT about the Gpsbee
[14:07] <Lunar_Lander> he said that for connecting it to an arduino, the data lines have to be equipped with voltage dividers to bring them down to 3.3V
[14:07] <nosebleedKT> my secret pics from the exhibtion are online:
[14:07] <nosebleedKT> http://ammar.gr/myloader/vfile.php?i=1c28f5f2363b8ee336d1743b436123dd-DSC_9649.resized.JPG
[14:07] <nosebleedKT> damn!
[14:09] <SpeedEvil> Or you use a 3.3V GPS
[14:09] <Lunar_Lander> well it is one
[14:09] <Lunar_Lander> but the arduino lines are on 5V or so
[14:09] <SpeedEvil> er - 3.3V ...
[14:12] <nosebleedKT> SpeedEvil arduino tx sends 5v to 3v3-rx of gps
[14:12] <Laurenceb_> http://i.imgur.com/M7YFB.jpg
[14:12] <SpeedEvil> yeah - I meant 3.3V arduino - I've not properly woken up
[14:12] <nosebleedKT> isnt that the voltage divider that he needs
[14:12] <SpeedEvil> Laurenceb: The right way
[14:13] <nosebleedKT> i used to face the same problems some year ago, and SpeedEvil helped me ouy
[14:13] <Lunar_Lander> yea
[14:15] <SpeedEvil> Laurenceb: http://www.youtube.com/watch?feature=player_profilepage&v=mpftN-q2SKs#t=49s
[14:16] <Lunar_Lander> well
[14:16] <Lunar_Lander> I'll be back later
[14:16] <Jessica_Lily> hey
[14:16] <NigeyS> http://www.youtube.com/watch?v=BvmKu-A09yw&feature=related
[14:16] <NigeyS> 1 way to keep dry in the rain i guess
[14:18] <Jessica_Lily> is there any data from the flight last night?
[14:20] <NigeyS> dont think james has put it on line yet, if you goto the tracker the altitude graph will still be on there
[14:22] <DanielRichman> it's (relatively) easy to get the data if you want it
[14:24] <DanielRichman> you can have a text file of all the sentences (essentially csv), a load of json objects with parsed data, or if you can python something else.
[14:24] <NigeyS> DanielRichman, an export to csv function for telem lines would be a cool feature ;)
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[14:25] <DanielRichman> yeah it's quite easy to do currently; we're gonna add a couchdb list to do; a single-url export of all data for a flight
[14:25] <NigeyS> nice! :D
[14:28] <Jessica_Lily> oo someone has the cvs?
[14:28] <Jessica_Lily> *csv
[14:28] <Jessica_Lily> xD
[14:28] <DanielRichman> http://pastie.org/private/vqa2pzkci1urmlkchxq
[14:29] <DanielRichman> flight appears to start on line 58
[14:29] <Jessica_Lily> why use a non-sql db ?
[14:29] <Jessica_Lily> :P
[14:29] <DanielRichman> because schemalessness is cool
[14:30] <Jessica_Lily> xD sure
[14:30] <DanielRichman> and couchdb replication
[14:30] <Jessica_Lily> im a fan of mongodb
[14:30] <Jessica_Lily> though i tend to use sql because i like it
[14:30] <Jessica_Lily> im old school like that ;)
[14:31] <Randomskk> Jessica_Lily: also it meants http based access direct for javascript web frontends
[14:31] <Randomskk> and views and lists and all sorts of clever db-processing stuff
[14:31] <Randomskk> it means we don't actually have any software that handles writes to the database - clients recieving telemtry can just write direct to the db
[14:31] <NigeyS> basically couchdb kicks sql's butt .. lol
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[14:31] <Randomskk> the parser sees new telem appear, parses it and writes it back
[14:32] <Jessica_Lily> thats fair enough
[14:32] <Jessica_Lily> that sounds a good reason
[14:32] <Randomskk> NigeyS: well, I mean, it's horses for courses. some times sql is more appropriate, like if you actually have relational data
[14:32] <Jessica_Lily> ^
[14:32] <Randomskk> Jessica_Lily: and its replication means people without internet can download the database and write to it locally while tracking and then syncrhonise later, etc
[14:32] <Randomskk> it's got a lot of fantastic features for our use case
[14:32] <NigeyS> true, depends on the application, impressed with couch so far, but really not looked into it in huge detail
[14:32] <Randomskk> the tradeoff is in disk space and the inability to do quick arbitary queries, but
[14:32] <Randomskk> not a big deal for us
[14:33] <Jessica_Lily> though if people don't normalise relational dbs i will put them in a slurry pit
[14:33] <Jessica_Lily> :P
[14:33] <jonsowman> harsh
[14:33] <Jessica_Lily> :P
[14:33] <Jessica_Lily> yep
[14:33] <NigeyS> very :o
[14:33] <jonsowman> debatably fair
[14:33] Action: Randomskk enjoys denormalising data
[14:33] <Jessica_Lily> :P
[14:34] Action: Jessica_Lily covers Randomskk in dimethylmercury
[14:34] <Jessica_Lily> enjoy :P
[14:34] <Randomskk> some people are like "omg 6nf my data is teh best"
[14:34] <Randomskk> couchdb is like, 0nf
[14:34] <Randomskk> kinky
[14:34] <Jessica_Lily> xD best i didn't go into CS im a stuckup programmer :P
[14:34] <NigeyS> lmao
[14:35] <DanielRichman> couchdb is working great for the tracker; my only concern is speed
[14:35] <NigeyS> hrm im sure this atmega is meant to get this hot :|
[14:35] <Jessica_Lily> chemistrys awesome i getta go into lectuers like "yehhhh atoms n stuff ^_^"
[14:35] <jonsowman> :\
[14:35] <NigeyS> atoms.. mm .. 99.9% empty space
[14:36] <Jessica_Lily> :P
[14:36] <Jessica_Lily> best way really
[14:37] <NigeyS> oh i dunno, there's something disconcerting knowing that if we removed the empty space from our bodies we'd all be the size of an apple :|
[14:37] <Jessica_Lily> we'll be less than the size of an apple xD
[14:37] <Jessica_Lily> much much less
[14:37] <NigeyS> cherry tomato?
[14:37] <Jessica_Lily> we're talking about 1 person right?
[14:37] <Jessica_Lily> or the worlds population
[14:38] Action: Upu ponders
[14:38] <Jessica_Lily> if 1 person far far less than a cherry tomarto
[14:38] <Jessica_Lily> *tomato
[14:39] <NigeyS> stop, i feel little now :(
[14:40] <Jessica_Lily> awhh :P
[14:43] Action: Jessica_Lily pets NigeyS
[14:43] <NigeyS> xD
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[14:44] <Lunar_Lander> back
[14:44] <Lunar_Lander> XD!
[14:45] <Jessica_Lily> heyy Lunar_Lander
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[14:45] <Lunar_Lander> ;(
[14:45] <Jessica_Lily> my german physicist ^_^ :D
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[14:45] <Lunar_Lander> Randomskk, that might be what my friend asked about: He wanted to know if dl-fldigi could be used offline to plot positions on a map
[14:46] <Lunar_Lander> i.e. when you take a laptop in the tracking car without an internet stick
[14:46] <Lunar_Lander> Jessica_Lily, my british chemist :)
[14:46] <Jessica_Lily> :P
[14:46] <Randomskk> Lunar_Lander: soon but not yet
[14:46] <Lunar_Lander> I just had the vegetable with the greatest error in science
[14:46] <Lunar_Lander> spinach
[14:46] <Lunar_Lander> :P
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[14:47] <Lunar_Lander> (error because someone shifted the comma for the Fe value back then)
[14:47] <Lunar_Lander> cool Randomskk
[14:48] <Jessica_Lily> huh
[14:51] <Lunar_Lander> yeah
[14:52] <Lunar_Lander> people thought spinach has much iron
[14:52] <Lunar_Lander> but back in that paper, someone set the comma wrong
[14:53] <Jessica_Lily> o xD
[14:53] <Jessica_Lily> that'd be a fun experiment
[14:53] <Jessica_Lily> probs a titration would do it
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[14:54] <Jessica_Lily> so actually it wouldn't be that fun :P
[14:54] Action: Jessica_Lily doesn't like titrations
[14:55] <Jessica_Lily> Lunar_Lander whats the ball park figure?
[14:55] <Jessica_Lily> if its under like 100ppm there is no chance of a titration
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[14:58] <Lunar_Lander> wolfrramalpha says
[14:58] <Lunar_Lander> in 85g of spinach should be 2.3 mg of Fe
[14:58] <Lunar_Lander> 2.7 mg in 100 g
[15:00] <Jessica_Lily> o
[15:00] <Jessica_Lily> :P
[15:00] <Jessica_Lily> thats not ppm
[15:00] <Jessica_Lily> ppm is 10^6 difference
[15:00] <Jessica_Lily> nor could that be done by titration me thinkssss
[15:01] <Lunar_Lander> yea
[15:01] <Jessica_Lily> well that makes it more fun! :D
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[15:02] <Lunar_Lander> xD
[15:02] <griffonbot> Received email: James Coxon "[UKHAS] Re: Atlas 3 launch Friday 11/11/11 18:00ish"
[15:03] <stratos> Hi! Need help attaching the rope from thepayload to the parachute, and the parachute to the rope to the balloon
[15:03] <Randomskk> knots & duct tape
[15:04] <stratos> curtain rings?
[15:04] <stratos> Kinda worried that if the centre of the parachute is tied to the rope that goes to the balloon, the balloon would tug too much and rip the parachute ropes (which are quite flimsy)
[15:08] <Jessica_Lily> Lunar_Lander wtf am i on about& 2.7ppt -(to ppm)-> 270ppm
[15:08] Action: Jessica_Lily bangs head against wall
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[15:10] <Lunar_Lander> oh
[15:10] Action: Lunar_Lander stops Jessica_Lily and gives her a cup of tea
[15:14] <Lunar_Lander> if you like tea
[15:18] <Lunar_Lander> Jessica_Lily, are you allright?
[15:26] <stratos> anything else apart from "Harmless Science Experiment" needed on the payload?
[15:27] <Randomskk> a contact phone number is often good
[15:27] <fsphil> you don't even need that-- it's just nice to have :)
[15:27] <stratos> Heh, yup, got that too.
[15:27] <Lunar_Lander> and a british flag
[15:27] <stratos> What else do the notices normally include?
[15:27] <Lunar_Lander> XD
[15:27] <stratos> got the british flag too, lol!
[15:28] <Randomskk> translate it into every language :P
[15:29] <DanielRichman> mebe we should have some stock translations on the wiki if we don't already
[15:29] <Randomskk> ones of a higher quality than google translate? :P
[15:29] <DanielRichman> yeah
[15:30] <DanielRichman> I can bully alex into providing french and greek
[15:30] <fsphil> "Payload found if contact me email"
[15:30] <fsphil> it's been suggested a few times that, stock hab phrases on a website
[15:30] <fsphil> Lunar_Lander can do german for us
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[15:31] <Randomskk> oh, oh, I can do english!!
[15:31] <DanielRichman> :O
[15:31] <fsphil> that's the difficult one, you sure you can handle it?
[15:32] <DanielRichman> but who will do pirate?
[15:32] <Randomskk> I have like an A* in english gcse!
[15:32] <Lunar_Lander> xD yeah fsphil
[15:32] <Lunar_Lander> LOL
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[15:33] <fsphil> "Achtung. Kleine radioaktive satellit"
[15:34] <stratos> Haha :D
[15:34] <fsphil> means Harmless Satellite ... of course ...
[15:34] <stratos> So, any suggestions on tying rope from parachute to balloon?
[15:35] <Randomskk> usually we just loop some rope around the payload, hold it in place with duct tape, then tie it to the parachute rigging
[15:35] <Randomskk> oh, to balloon
[15:35] <fsphil> the parachute is usually tied to the line from the payload to balloon
[15:35] <Randomskk> rope from apex of parachute to balloon if you have any on the parachute
[15:35] <Lunar_Lander> XD fsphil !
[15:35] <Randomskk> otherwise just tie it to the parachute rigging too
[15:35] <Randomskk> there's a guide on the wiki iirc
[15:35] <Randomskk> including tying the rope to the balloon which is also important :P
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[15:37] <stratos> "the parachute is usually tied to the line from the payload to balloon" - requires a hole through the middle of the parachute?
[15:38] <Randomskk> doesn't requrie it
[15:38] <stratos> Couldn't find the guide on the wiki, was looking yesterday
[15:38] <Randomskk> many parachutes have this, but if not, it's no biggie
[15:38] <Randomskk> the parachute just hangs upside down while going up
[15:38] <fsphil> yea, I just hung the parachute from the cord
[15:38] <fsphil> my new one has the hole in the middle but I may just leave that one dangling too
[15:39] <fsphil> it's worked well that way for me
[15:40] <stratos> wow, just hanging upside down from the cord, didn't think of that
[15:41] <stratos> But the ropes from the parachute attach to the cord by a knot?How would they not slip down?
[15:41] <stratos> Sorry i know it's simple, but I don;t want to risk doing it wrong :P
[15:42] <fsphil> I got someone else to tie mine, so I can't help there
[15:42] <fsphil> I'm useless at knots :)
[15:42] <Randomskk> stratos: don't have one line from payload to balloon and tie the parachute to it
[15:42] <Randomskk> rather, have a line from payload to parachute, and another from parachute to balloon
[15:43] <Lunar_Lander> stratos, may I ask where you are from? I'm from germany
[15:43] <stratos> LL, I'm in South East UK.
[15:44] <stratos> But Randomskk, I'm worried about the flimsy parachute lines snapping from the 700g payload weight
[15:44] <nosebleedKT> another UK guy :P
[15:44] <Lunar_Lander> yea
[15:44] <Randomskk> they probably won't
[15:45] <fsphil> those nylon cords can take a *lot* of weight, believe me :)
[15:45] <fsphil> I had an hour long fight trying to get my payload out of a tree -- the cords wouldn't snap
[15:47] <stratos> But where the tiny cords attach to the parachute - they seem so snappable. It's a model-rocket ripstop 24" parachute
[15:48] <Randomskk> they're designed for rockets :P
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[15:48] <fsphil> yea they won't experience as much force on a balloon
[15:48] <stratos> heh, is that a good thing or a bad thing?
[15:49] <stratos> :)
[15:49] <Randomskk> the lack of atmosphere at high altitudes means there tends to be much less of a parachute jerk as it opens
[15:49] <Randomskk> so you get much less of a sudden snap than you might encounter with rockets
[15:49] Action: Randomskk is butchering various technical words here
[15:54] <SpeedEvil> Also balloons are moving at well under mach 1 when they burst.
[15:54] <SpeedEvil> Unless you've put waaay too much helium in.
[15:55] <SpeedEvil> I wonder what the maximum ascent rate of a - say - 2.5km dia helium balloon is.
[15:57] <Randomskk> so much drag
[15:57] <stratos> how does a 7 metres per second descent rate sound?
[15:57] <SpeedEvil> If it's proportional to sqrt(diameter), I think it's about 200m/s
[15:58] <SpeedEvil> I guess a 5km one might approach sonic.
[16:00] <stratos> does 7m/s sound a bit fast, though? 16mph at sea level
[16:00] <Randomskk> meh it's about okay
[16:00] <Randomskk> 5m/s would be marginally better
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[16:02] <stratos> :) - so, how would you tie rope from apex of parachute to balloon?
[16:03] <Randomskk> some parachutes have rope in a hole in the middle
[16:03] <Randomskk> so just knot through it
[16:03] <Lunar_Lander> btw
[16:04] <Lunar_Lander> how can we put a cutdown above the chute?
[16:05] <Upu> Hey Randomskk
[16:05] <Upu> http://imagebin.org/183788
[16:05] <Upu> [16:05] <Upu> http://imagebin.org/183789
[16:06] <Upu> any comments on that (apart from my tended vias)
[16:06] <Upu> lack of
[16:06] <Randomskk> it looks a lot like Zuph's version
[16:07] <Upu> indeed
[16:07] <Upu> I liked what he'd done with the harmonic filter
[16:07] <Randomskk> http://imgur.com/1QFa7
[16:07] <Randomskk> did you see my comments on his?
[16:07] <Upu> copied that bit the rest is basically as it is on the data sheet
[16:08] <Upu> no shoot
[16:08] <Randomskk> basically like a lot of things it will probably work but I'd advise caution about, at the least, the inductors all being in the same orientation
[16:08] <Randomskk> and a few other things like potentially having effective shared ground resistances
[16:08] <Randomskk> hang on
[16:08] <Upu> yes I have been advised you need to put them 45' to each other ?
[16:08] <Upu> I have the link
[16:08] <Upu> for best practices
[16:08] <Randomskk> http://www.maxim-ic.com/app-notes/index.mvp/id/4636
[16:08] <Randomskk> uh
[16:08] <Upu> yeah that one
[16:08] <Randomskk> 90 degrees really
[16:09] <Upu> ok
[16:09] <Randomskk> you want every inductor to be 90 degrees
[16:09] <Randomskk> but obviously that limits you to two inductors
[16:09] <Upu> yeah
[16:09] <Randomskk> so keep them as far apart as possible
[16:09] <Upu> bit hard really
[16:09] <Randomskk> https://randomskk.net/u/adf.png was my output stage
[16:09] <Randomskk> and each inductor is perpendicular to the one nearest it
[16:10] <Randomskk> it also uses up less board space
[16:10] <stratos> my parachute doesn't have a hole in the middle
[16:10] <Randomskk> but the other thing to note is that my top layer isn't a ground plane and instead each thing that needs grounding has a direct via to the actual ground plane
[16:10] <Upu> ok cheers I'll go have another look at it thx
[16:10] <Randomskk> (see figure 6 on that maxim app note)
[16:10] <Randomskk> also I'd be a bit concerned about how long your RF output path is
[16:11] <Upu> looked so neat as well :)
[16:11] <Upu> all noted thanks
[16:11] <Upu> I'll go work on it
[16:11] <Randomskk> I can't tell a length from the image very well
[16:11] <Randomskk> but any longer than about 4cm for 434MHz operation and you need to be concerned about things like microstrips or other transmission lines
[16:11] <Upu> 3.3cms
[16:12] <Randomskk> probably just about get away with it ;P
[16:12] <Upu> I'll fix it
[16:12] <Randomskk> I mean, you know, you can get away with just about anything
[16:12] <Randomskk> it'l "work" fcvo work
[16:12] <Upu> I'd rather do everything I can to make it work as best as we can
[16:12] <Randomskk> the concerns tend to be more with things like efficiency, how much power your antenna actually gets, how much noise you spit out, how inside the band you stay
[16:12] <Randomskk> but it's pretty much all black magic :P
[16:13] <Upu> btw as long as you're on the ground technically you can loose the harmonic filter as the 3rd harmonic is still within amateur bands :)
[16:13] <staylo> daveake: Great, thanks for the link!
[16:13] <Upu> joke btw
[16:13] <Randomskk> haha yes
[16:13] <Randomskk> I was going to be like "but you're not transmitting your amateur callsign anyway so"
[16:14] <Randomskk> then decided not to >_>
[16:14] <Upu> its a nice filter we modelled it on LTSpice very nice cut off
[16:14] <Upu> well attenuation
[16:14] <Randomskk> the schematic is fine, yes
[16:15] <Randomskk> but spice doesn't model pcb layout
[16:15] <Randomskk> so you can end up with inductive coupling between aligned inductors essentially providing a bypass route, or that issue with shared ground resistances
[16:16] <Randomskk> you can route the entire PCB for this design with a single ground plane on the bottom and every other trace on the top, too, which is nice
[16:16] <Randomskk> vias can make RF sad
[16:17] <Lunar_Lander> so again
[16:17] <Lunar_Lander> how can we put a cutdown above the chute?
[16:17] <Upu> yeah but eventually this circuit will be on a more integrated board
[16:17] <Randomskk> Lunar_Lander: just tie the chute line to the cutdown, and the balloon line to the cutdown? the same as you'd put it anywhere else
[16:17] <Randomskk> Upu: doesn't affect this part of the circuit, though
[16:17] <Lunar_Lander> ah
[16:17] <Lunar_Lander> thanks Randomskk
[16:17] <Randomskk> you can still have the entire radio section be this circuit and even put a nice ground trace all around it to help isolate it
[16:18] <Upu> true
[16:18] <Randomskk> see e.g. Laurenceb_'s board where the radio section is pretty much isolated from the rest of the (very very integrated) pcb
[16:18] <Upu> got a link ?
[16:19] <Randomskk> https://github.com/Laurenceb/Dactyl/raw/master/Hardware/Schematics/Board.png
[16:19] <Upu> yes I see it just
[16:19] <Upu> wow
[16:20] <Randomskk> the radio has a split ground plane with a ground trace on the top side and the only connections in/out go over where the ground plane joins the main system ground
[16:20] <Upu> bit easier to see here
[16:20] <Upu> https://github.com/Laurenceb/Dactyl/blob/master/Hardware/11thSept_all.png
[16:21] <Upu> ok cheers
[16:21] <Randomskk> indeed
[16:21] <Randomskk> note how all his traces are on one side, with one big ground plane on the other :P
[16:21] <Upu> yeah
[16:22] <Upu> right getting summoned
[16:22] <Upu> back soon
[16:22] <Randomskk> seeya
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[16:23] <Lunar_Lander> damn he gets summoned?
[16:23] <Lunar_Lander> that doesn't sound good :S
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[16:25] <NigeyS> dam, and i thought swift was a busy pcb :|
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[16:53] <fsphil> um... http://habhub.org/predict/#!/uuid=b9b95626140931bcd9afb3c48e25e6cafd92d45d
[16:53] <fsphil> first potential flight day ;)
[16:53] <Randomskk> looks good! :P
[16:54] <eroomde> NigeyS: I reckon atlas went above 36km...
[16:58] <number10> give you 40 quid if you can get it to land on the isle of man fsphil
[16:58] <Lunar_Lander> BBL
[17:02] <fsphil> Now that would be a tricky landing spot
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[17:04] <fsphil> haha
[17:04] <fsphil> http://habhub.org/predict/#!/uuid=b0038a28d3685ebfa30df4c0f5492ea4bf2f0015
[17:05] <fsphil> it seems to get ...er ... a bit fractal at the end
[17:06] <SpeedEvil> You should totally launch that
[17:06] <Randomskk> good lord
[17:06] <Randomskk> I think you might find it has totally run out of wind data :P
[17:06] <fsphil> a bit lol
[17:06] <fsphil> "which way now?" "um.... "
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[17:08] <fsphil> if the winds stay like this I'll launch the 1600g
[17:08] <fsphil> basic payload
[17:09] <fsphil> I suppose a 1600g with a pinhole is pretty certain to float
[17:09] <mattltm> When you planning of launching Phil?
[17:09] <fsphil> asap mattltm, just waiting on weather
[17:10] <fsphil> one long distance one, and one very short range
[17:11] <mattltm> Cool.
[17:18] <DanielRichman> http://habhub.org/zeusbot/ <-- !look! log searching! woo, google!
[17:24] <stratos> Ooh, this is nice: http://habhub.org/predict/#!/uuid=670a0a3894c022b25f3a6ae49febb229e102f856
[17:32] <fsphil> not bad
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[18:17] <futurity> Hi, Does anyone know the UK time of the Horus launch? I suspect in the next few hours?
[18:18] <fsphil> about 2300
[18:20] <futurity> fsphil: thanks
[18:22] <fsphil> well 22:30 but you know that isn't happening :)
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[18:45] <nosebleedKT> Hi, I want to convert a byte value eg 0xFF to a string represantation eg '255' in c++. How I do that?
[18:46] <fsphil> snprintf
[18:46] <nosebleedKT> thx
[18:46] <fsphil> oh, c++
[18:46] <fsphil> not sure :)
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[19:08] <Lunar_Lander> back
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[19:10] <DanielRichman> in c++ you can use sprintf or an ostringstream
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[19:45] <juxta> morning all
[19:45] <fsphil-laptop> hiya juxta, up early
[19:46] <juxta> too early!
[19:49] <juxta> fsphil, hoping some cloud cover clears in time for launch
[19:49] <juxta> http://www.bom.gov.au/australia/satellite/
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[19:49] <fsphil-laptop> it's pretty patchy from the looks of it
[19:50] <juxta> at the moment I can't see the sky at all :(
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[20:15] <Lunar_Lander> hi RocketBoy
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[20:18] <Lunar_Lander> is Jessica_Lily back?
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[20:24] <Lunar_Lander> hi TimZaman
[20:24] <griffonbot> @NigeyUK: #ukhas New post: Atlas Flight Review http://t.co/ajh1zzd8 [http://twitter.com/NigeyUK/status/135453004924063744]
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[20:28] <Jessica_Lily> Lunar_Lander yerp
[20:28] <Darkside> fff
[20:28] <Darkside> ok
[20:28] <Lunar_Lander> I was scared that you hurt youself when you hit the wall with your head
[20:28] <Lunar_Lander> :(
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[20:29] <fsphil-laptop> you appear to be awake Darkside
[20:29] <griffonbot> @darksidelemm: Up and at them, getting ready for the launch of Horus 18 #projecthorus [http://twitter.com/darksidelemm/status/135454193770176513]
[20:29] <Darkside> i only appear to be awake
[20:29] <Darkside> appearances can be deceiving
[20:29] <fsphil-laptop> aah, I'm often doing that
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[20:34] <Lunar_Lander> btw by chance I found an old Uni of North Dakota site on ballooning
[20:34] <Lunar_Lander> they did flights 1998-2007
[20:34] <Lunar_Lander> surely some interesting reading
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[20:55] <Lunar_Lander> hi Darkside what's up?
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[21:19] <griffonbot> @shenki: RT @darksidelemm: Up and at them, getting ready for the launch of Horus 18 #projecthorus [http://twitter.com/shenki/status/135466709028044801]
[21:20] <Lunar_Lander> COOL: http://www.youtube.com/watch?v=X_ymmKy5TO8
[21:22] <joph> so, orderd the sma stuff for the funcube dongle :D
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[21:30] <Lunar_Lander> http://www.youtube.com/watch?v=QLKwJbr1t0s&feature=related
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[21:40] <eroomde> we speak another language
[21:40] <eroomde> "so, orderd the sma stuff for the funcube dongle :D"
[21:41] <eroomde> if i was a random person reading that, i've no idea what i'd make of it, except trying to work together S&M, funcubes, and dongles - a fairly acrobatic image
[21:42] <Lunar_Lander> ROFL
[21:42] <Lunar_Lander> funcubes could be in Portal 3
[21:42] <Lunar_Lander> after the weighted companion cube
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[22:03] <griffonbot> @darksidelemm: http://t.co/PHy6OxSS 70cm payload ready to go! #projecthorus [http://twitter.com/darksidelemm/status/135477962811252736]
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[22:11] <Laurenceb_> sup all
[22:11] <fsphil-laptop> horus... shortly
[22:12] <Laurenceb_> Upu: thanks for the pcb
[22:12] <Laurenceb_> looks good
[22:12] <Laurenceb_> any populated yet?
[22:12] <Laurenceb_> - ill populate mine on monday - have nicer kit at work XD
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[22:15] <griffonbot> @darksidelemm: http://t.co/uGxMdYo9 Filling the balloon. #projecthorus [http://twitter.com/darksidelemm/status/135480809502150656]
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[22:29] <Upu> hey Laurenceb no ones tried them yet
[22:29] <Upu> waiting on feed back
[22:29] <Lunar_Lander> hey Upu
[22:29] <Lunar_Lander> how are you?
[22:29] <Upu> very well thanks
[22:30] <Upu> what you up too ?
[22:30] <Laurenceb_> lol kangaroo island
[22:30] <Laurenceb_> i wonder why its called that
[22:30] <Upu> btw did you ever make Dactyl ?
[22:30] <Laurenceb_> 320m elevation is high - didnt realise australia was so heavy
[22:30] <Laurenceb_> Upu: yes
[22:30] <Laurenceb_> its on my desk
[22:30] <Upu> that is one beast of a PCB
[22:31] <Laurenceb_> https://github.com/Laurenceb/Dactyl/tree/master/Hardware/Assembly
[22:31] <Laurenceb_> the firmware is a bigger beast
[22:31] <Laurenceb_> its coming close to being kind of finished
[22:31] <Laurenceb_> im going to stop working on the software soon and finalise the version 2 BOM
[22:32] <Laurenceb_> then finish a flight grade version of the firmware on the next pcb i think
[22:32] <Lunar_Lander> I'm thinking about my GPS, I think it needs a voltage divider because the data lines on the arduino are 5V
[22:32] <Laurenceb_> im contemplating going BGA with version 2
[22:32] <Lunar_Lander> and nosebleed said on the GPS they are 3.3BV
[22:32] <Lunar_Lander> *V
[22:32] <Laurenceb_> BGA cortex M4
[22:33] <Upu> do you need that amount of processing power ?
[22:33] <Laurenceb_> of course XD
[22:33] <Laurenceb_> just make a bigger kalman filter
[22:33] <Laurenceb_> but yeah going past ~300mhz with an fpu theres little point
[22:34] <Lunar_Lander> Upu and what are you up to?
[22:34] <Upu> about to play Battlefield I think
[22:34] <Lunar_Lander> cool :)
[22:35] <Laurenceb_> Upu: im going to use ublox6 on version 2
[22:35] <Laurenceb_> but im tempted to put your board on the mini rogallo and give it another flight
[22:36] <griffonbot> @darksidelemm: http://t.co/UQiXfUG9 Chase car! #projecthorus [http://twitter.com/darksidelemm/status/135486082367229954]
[22:36] <Upu> almost the same as the falcom you have on there
[22:36] <Lunar_Lander> btw did someone have the gpsBee too?
[22:36] <Lunar_Lander> can you still buy the Falcom somewhere?
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[22:37] <Upu> no idea
[22:37] <mattltm> Lunar_Lander: Are you not using the Veuns GPS?
[22:38] <Lunar_Lander> I am still trying to use it
[22:38] <Lunar_Lander> I have to get hold of a laptop and carry it outside
[22:38] <Upu> Michael from Bello Mondo said the uBlox 6 is very good, gets quick lock even indoors on the passive antenna
[22:38] <Lunar_Lander> do I need to take any precautions, i.e. does it need any external resistors or so?
[22:38] <Upu> anyway afk a few
[22:38] <Lunar_Lander> or just "plug and play" to the arduino mattltm ?
[22:39] <mattltm> The venus is just plug and play.
[22:39] <Lunar_Lander> good
[22:39] <Lunar_Lander> so I just connect it to my antenna
[22:40] <mattltm> No need for a voltage divider
[22:40] <Lunar_Lander> and try to expose the antenna to the sky
[22:40] <Lunar_Lander> yeah
[22:40] <Lunar_Lander> that makes it easier
[22:40] <mattltm> Mine works very well with the arduino
[22:40] <Lunar_Lander> yeah
[22:40] <Lunar_Lander> mine as well, it receives all the data
[22:40] <Lunar_Lander> but it still thinks it is in Taiwan
[22:40] <Lunar_Lander> btw
[22:41] <Lunar_Lander> what about that thing about updating the firmware that I read somewhere?
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[22:43] <mattltm> Yes, download the new firmware and the pc app from the sparkfun site
[22:43] <Lunar_Lander> OK
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[22:43] <mattltm> Connect the venus up to a serial connection on you pc
[22:43] <Lunar_Lander> yeah
[22:43] <Lunar_Lander> with the FT-232?
[22:43] <mattltm> and run the app
[22:43] <staylo> Those 808 keychain cams might be scarce soon: http://www.rcgroups.com/forums/showpost.php?p=19852894&postcount=8173
[22:43] <mattltm> Yes
[22:44] <Lunar_Lander> good
[22:44] <Lunar_Lander> I once had it like that and ran the app
[22:44] <Lunar_Lander> it found two satellites
[22:44] <Lunar_Lander> but then that was it
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[22:45] <mattltm> upload the new firmware and lower the update rate
[22:46] <Lunar_Lander> yes
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[22:47] <mattltm> Both of mine get lock in less than 3 minutes from a cold start
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[22:48] <Lunar_Lander> sounds good
[22:49] <Laurenceb_> proper ublox5/6 setup should get it in less than 30 seconds
[22:50] <Laurenceb_> my gs406 with backup battery is usually <1s with a clear sky
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[22:55] <Lunar_Lander> hi Paradoxial
[22:58] <Lunar_Lander> mattltm, I will try it
[22:58] <Lunar_Lander> I only think where the Venus and the FT-232 are
[22:58] <Lunar_Lander> I got a small sparkfun box
[22:58] <Lunar_Lander> this also contains some solder
[22:58] <Lunar_Lander> I can't find it
[22:58] <Lunar_Lander> and I looked at university and it isn't there
[22:58] <Lunar_Lander> so it must be here somewhere
[23:01] <mattltm> Did you look under your stairs?
[23:02] <griffonbot> @darksidelemm: http://t.co/N29lOZfy About to take the balloon out. #projecthorus [http://twitter.com/darksidelemm/status/135492640404807681]
[23:02] <fsphil-laptop> behind the sofa
[23:03] <Lunar_Lander> xD it can't be under the stairs and I got no sofa
[23:03] <mattltm> Lunar_Lander: Where is the last place you would look?
[23:03] <mattltm> Thats where it will be
[23:03] <mattltm> Its always in the last place that you look.
[23:03] <Lunar_Lander> inside the cupboards as I don't think it is in there, there are only books
[23:03] <Lunar_Lander> yea
[23:04] <fsphil-laptop> mattltm, I kept looking one time just to prove that wrong ;)
[23:04] <mattltm> Maybe a small rodent has taken it and used it for a nest?
[23:04] <Lunar_Lander> xD!
[23:05] <Lunar_Lander> my parents would be outraged if we got mice or rats in the house
[23:05] <mattltm> a mongoose?
[23:05] <fsphil-laptop> A mongoose dog?
[23:06] <griffonbot> @darksidelemm: http://t.co/pAfLW88u Bringing the balloon out. #projecthorus [http://twitter.com/darksidelemm/status/135493581505957891]
[23:06] <mattltm> Oh, i think you may be on to something fsphil
[23:06] <fsphil-laptop> http://www.youtube.com/watch?v=a1i0iWJahPY
[23:07] <fsphil-laptop> Gir is the best sidekick in the history of sidekicks
[23:07] <mattltm> So your saying the Gir stole Lunar_Lander's box?
[23:07] <fsphil-laptop> yes
[23:07] <mattltm> Seems plausable
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[23:08] <mattltm> My moneys on penfold
[23:08] <Paradoxial> Hi Lunar
[23:08] <TimZaman> you guys have to check this out
[23:08] <TimZaman> https://www.youtube.com/watch?v=9E_One7YuEc
[23:08] <mattltm> its always the quiet ones...
[23:08] <fsphil-laptop> he was actually after the GPS, cause he left his guidy chippy thing at home: http://www.youtube.com/watch?v=sSHluUJ-64w
[23:09] <Lunar_Lander> LOL
[23:09] <Paradoxial> So I walked into an abandoned house today, and sitting on a shelf was a doll.
[23:09] <Lunar_Lander> oh
[23:09] <fsphil-laptop> spooky
[23:09] <TimZaman> Paradoxial: what did it say?
[23:10] <fsphil-laptop> arg, youtube buffering
[23:10] <Paradoxial> Luckily nothing, but I think it was the scariest thing I've ever seen
[23:10] <Paradoxial> http://flic.kr/p/aE8WdW
[23:10] <Paradoxial> It just doesnt belong there
[23:11] <TimZaman> omg in broad daylight
[23:11] <TimZaman> how is that scary
[23:11] <TimZaman> that lightbulb is pretty brilliant
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[23:13] <griffonbot> @darksidelemm: http://t.co/r23SQiyt Almost at launch time... #projecthorus [http://twitter.com/darksidelemm/status/135495429025570817]
[23:13] <fsphil-laptop> birds nest?
[23:13] <TimZaman> horus launch? what kind?
[23:14] <fsphil-laptop> that's working well TimZaman
[23:15] <TimZaman> fsphil-laptop: thanks. any thoughts on thermal issues?
[23:17] <fsphil-laptop> will the photos develop when it's cold?
[23:17] <vk3vcl> Looks like we have a flying machine :)
[23:17] <fsphil-laptop> horus away!
[23:17] <number10> looks like Horus 18 is up
[23:17] <number10> snap
[23:18] pelican (3ce4e8d5@gateway/web/freenode/ip.60.228.232.213) joined #highaltitude.
[23:19] <juxta-chasecar> vk2kaw, i see you there :)
[23:19] <vk2kaw> ok
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[23:20] <fsphil-laptop> not much risk of a float this time
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[23:21] <fsphil-laptop> hey the fast telemetry is great to watch
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[23:23] <TimZaman> fsphil what blaloon they usin
[23:24] <fsphil-laptop> good question actually, not sure
[23:25] <VK5ZEA> watching on the internet, can't set up a telemetry RX radio this launch.
[23:25] <fsphil-laptop> the ground speed must be impressive
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[23:25] <fsphil-laptop> it looks to be covering a lot of ground very quickly
[23:26] <fsphil-laptop> travelled over 10km already
[23:26] <TimZaman> someone needs to implement a groundspeed ticker
[23:26] <TimZaman> oh there is.
[23:26] <Laurenceb_> what size balloon is this using?
[23:26] <TimZaman> 62kmh isnt that fast right
[23:26] <Lunar_Lander> no
[23:26] <SpeedEvil> TimZaman: Fast walking pace.
[23:26] <Lunar_Lander> we observed up to 240 km/h in jetstrams
[23:26] <Lunar_Lander> jetstreams
[23:26] <fsphil-laptop> you can walk at 62km/h?
[23:26] <TimZaman> SpeedEvil: they've seen >150kmh in Oz, right
[23:26] <SpeedEvil> :)
[23:27] <SpeedEvil> TimZaman: yeah - especially on the chase-cars.
[23:27] <TimZaman> His name isnt SpeedEvil coz he likes to sit on the couch
[23:27] <fsphil-laptop> lol
[23:27] <TimZaman> hahaha
[23:27] <Lunar_Lander> 72 km/h
[23:27] <Lunar_Lander> whoa!
[23:27] <Lunar_Lander> is SpeedEvil the Stig?
[23:28] <SpeedEvil> I cannot comment on the existance of any NDA I may or may not have signed with regards to my identity.
[23:30] <griffonbot> @vk2kaw: RT @darksidelemm: http://t.co/r23SQiyt Almost at launch time... #projecthorus [http://twitter.com/vk2kaw/status/135499698457935874]
[23:31] Action: SpeedEvil crosses fingers.
[23:31] <fsphil-laptop> time delay
[23:32] <TimZaman> so what kind a launch is this and what balloon?
[23:32] <fsphil-laptop> think it's a video launch, gopro
[23:34] <Darkside> yep
[23:35] <TimZaman> nice.
[23:35] <TimZaman> do you like go pros?
[23:35] <TimZaman> my launch next weeek will include two of those
[23:35] <TimZaman> and a friggin puppet. any advice on attaching the puppet?
[23:36] <TimZaman> ok im off
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[23:39] <quail-htc> just let all know horus can be heard in stockport north of adelaide
[23:40] <SpeedEvil> :)
[23:40] <vk2kaw> not hearing anything yet on 434.650
[23:41] <quail-htc> i could not get dl fldigi to compile, and not sure how to get fldigi to upload data
[23:41] <griffonbot> @shenki: RT @darksidelemm: http://t.co/PHy6OxSS 70cm payload ready to go! #projecthorus [http://twitter.com/shenki/status/135502412457848832]
[23:42] <SpeedEvil> Aren't there binaries of fldigi somewhere?
[23:42] <quail-htc> fldigi yes, dl-fldigi no
[23:42] <SpeedEvil> http://www.w1hkj.com/FldigiHelp-3.12/fldigi-static.html says google - I have no idea if this is a
[23:42] <SpeedEvil> doh
[23:42] <SpeedEvil> sorry - not awake
[23:43] <SpeedEvil> you're on linux, I guess?
[23:43] <quail-htc> the ubuntu packages dont work under debian
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[23:44] <quail-htc> SpeedEvil: yeah
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[23:44] <SpeedEvil> Someone will probably read backscroll in a few min, and pop up with an answer.
[23:45] <quail-htc> cool
[23:45] <quail-htc> i outside atm due to inspection, sell house
[23:45] <polycarbonate1> da Rx'ing from O'Halloran Hill
[23:46] <Darkside> polycarbonate1: you're not uploading tho
[23:46] <fsphil-laptop> quail-htc, it should be very simple to compile dl-fldigi
[23:46] <fsphil-laptop> in anything except fedora 16 anyway ;)
[23:46] <fsphil-laptop> and osx lion it seems
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[23:47] <quail-htc> fsphil-laptop: tried lastnight, and it kept failing to compile
[23:48] <fsphil-laptop> do you remember the error? most likely a missing dependency
[23:48] <polycarbonate1> fsphil-laptop: I'm on Mac OS 10.6 :P
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[23:48] <fsphil-laptop> where you able to build it polycarbonate1?
[23:49] <polycarbonate1> nope
[23:49] <fsphil-laptop> I think it might be the same problem for both lion and F16 -- the newer fltk
[23:50] <quail-htc> fsphil-laptop: final error i gave up on was with libjpeg8
[23:50] <fsphil-laptop> aah, did you install the jpeg-dev package?
[23:50] <polycarbonate1> I might one day get it to build
[23:50] <fsphil-laptop> configure doesn't check for it yet
[23:50] <Darkside> polycarbonate1: i can get you a binary
[23:51] <quail-htc> fsphil-laptop: i had all dep. installed
[23:51] <polycarbonate1> Darkside: awesome
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[23:51] <Darkside> http://pipe2.darklomax.org/dump/dl-fldigi-3.20.34.dmg
[23:51] <quail-htc> oh
[23:51] <polycarbonate1> thanks Darkside
[23:51] <fsphil-laptop> or libjpeg-dev .. not sure what ubuntu calls it
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[23:52] <quail-htc> fsphil-laptop: will have a try again when get inside
[23:53] <quail-htc> i had libjpeg8-dev installed
[23:53] <fsphil-laptop> I'm not familiar with ubuntu but I guess that should have worked too
[23:54] <quail-htc> yeah i not farmiliar with ubuntu too
[23:54] <DanielRichman> i can find a load of info for building on ubuntu. I think I have a squeese vm so may be able yo try it myself
[23:55] <Laurenceb_> wow 3 chase cars
[23:55] <Laurenceb_> you could have a chase car drag race
[23:55] <Darkside> yup
[23:55] <fsphil-laptop> yea about the chase cars .. is that data being uploaded to spacenear.us directly? it doesn't seem to be on habitat
[23:55] <Darkside> its to spacenearus directly
[23:55] <fsphil-laptop> aah
[23:55] <Darkside> we're using the old system
[23:55] <polycarbonate1> 22:47:49 < polycarbonate1> FUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU-
[23:55] <polycarbonate1> derp
[23:55] <fsphil-laptop> on habhound I have VK5VZI mast which is following the payload :)
[23:55] <fsphil-laptop> but that's it, no cars
[23:55] <Darkside> yeah
[23:55] <polycarbonate1> Darkside: it no work
[23:55] <Darkside> terry is using th enew system too
[23:56] <polycarbonate1> copypasta fail
[23:56] <Darkside> polycarbonate1: you ight need to recompile libraries with +universal
[23:56] <DanielRichman> sounds like we need a spacenear.us -> habitat forwarder for chase car info :P
[23:56] <Darkside> polycarbonate1: are you using macports?
[23:56] <polycarbonate1> yep
[23:56] <DanielRichman> quail-htc: have some URLs: 18:25 < DanielRichman> this: http://pastie.org/private/zf1cs0bktvzuyisssj36ca worked on lucid & oneiric (only two i had to hand)
[23:56] <Lunar_Lander> XD it's funny how the cars move on the map
[23:56] <DanielRichman> and http://ukhas.org.uk/projects:dl-fldigi:build-ubuntu
[23:57] <DanielRichman> if those don't help then I think I can try building on debian myself
[23:57] <Darkside> polycarbonate1: you may need to recompile with port install libname +universal
[23:57] <DanielRichman> quail-htc: please note though the first two links clone danielrichman/dl-fldigi which is a beta work in process version
[23:58] <DanielRichman> use jamescoxon/dl-fldigi and the libjsoncpp dependency is not necessary
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[23:59] <Laurenceb_> ascent rate is dropping
[23:59] <quail-htc> DanielRichman: thanks, will try when back inside
[23:59] <Laurenceb_> is it a 2000gram?
[23:59] <Darkside> DanielRichman: how many position submitters are you seeing
[00:00] --- Sun Nov 13 2011