highaltitude.log.20141111

[00:01] <anarcat> i'll try to tune to the thing now, in montreal
[00:03] <anarcat> so i have a ham radio station here (yaesu ft-100d), tuned to 434.500 in USB mode - so i guess i should be getting some signals.. maybe? :)
[00:04] <anarcat> what are the green and blue lines on the map? http://habitat.habhub.org/mobile-tracker/?filter=B-64
[00:06] <mattbrejza> !ping b-64
[00:06] <SpacenearUS> 03mattbrejza: Last contact with 03B-64 was 033 minutes ago
[00:06] <lz1dev> anarcat: the circles?
[00:07] <anarcat> lz1dev: i see a blue and green concentric circles around the balloon on this map http://habitat.habhub.org/mobile-tracker/?filter=B-64
[00:07] <anarcat> i am guessing they are LOS and radio horizons?
[00:07] <lz1dev> yes, that's the hirizon
[00:07] <anarcat> how often does the payload send signals?
[00:08] <lz1dev> depends on the payload
[00:08] <anarcat> well, let's say B-64
[00:08] <mattbrejza> anarcat: fairly sure its not transmitting on 434.5 over n. america
[00:09] <anarcat> mattbrejza: ah - which frequency would B-64 transmit over then?
[00:09] <lz1dev> every few minutes i think
[00:09] <anarcat> aprs?
[00:09] <lz1dev> yep
[00:09] <lz1dev> !payload b-64
[00:09] <SpacenearUS> 03lz1dev: Payload 03B-64 10(3afe) 03$$B-64 - 03Primary - 03434.5 MHz USB 03DominoEX with speed 0316
[00:09] <lz1dev> or that one, but not sure if it does over the US
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[00:10] <anarcat> hmmm
[00:19] <Laurenceb> there is only aprs over US/Canada
[00:19] <Laurenceb> aiui
[00:20] <Laurenceb> due to band allocation rules
[00:22] <Laurenceb> i wonder if the lipo has degraded, or if it needs to be held at >0C and 4.2v for extended duration
[00:22] <Laurenceb> from my experience extended trickle charge helps quite a bit with capacity
[00:22] <anarcat> okay, so i can't pickup this thing
[00:22] <Laurenceb> you need 2m band
[00:22] <Laurenceb> whatever the us aprs frequency is
[00:23] <anarcat> i'm on 144.390
[00:23] <anarcat> i'm picking up other APRS signals
[00:23] <anarcat> [0] VE2RTA-3>APN391:!4517.36NS07238.26W#PHG5630/W2 op VE2AAY<0x0d>
[00:23] <anarcat> [0] M0XER-4>APRS64,VE2PCQ-3*:!/7Zhb;b.yO ^5[9!c^+cC8v`87:eSC*kvYk>i/A=041994|+7@r!!97!+|
[00:23] <anarcat> oh!
[00:23] <anarcat> here it is?
[00:23] <anarcat> N 45 13.3199, W 074 17.8605, alt 41994 ft
[00:23] <theRealSIbot> In real units: 41994 ft = 13 km
[00:23] <Laurenceb> heh
[00:23] <anarcat> holy crap!
[00:26] <lz1dev> is real :)
[00:27] Action: Laurenceb zzz
[00:28] <arko> luckkkyyyy
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[00:31] <anarcat> this is pretty awesome
[00:32] <anarcat> N 45 15.5446, W 074 03.1086, alt 42007 ft
[00:32] <theRealSIbot> In real units: 42007 ft = 13 km
[00:35] <anarcat> is there anything i should do with the data i get?
[00:42] <anarcat> awesome, i hooked this thing up to xastir and i *think* i'm rebroadcasting those coordinates on the network
[00:43] <mattbrejza> !ping b-64
[00:43] <SpacenearUS> 03mattbrejza: Last contact with 03B-64 was 032 minutes ago
[00:43] <mattbrejza> well someones getting it at least :)
[00:44] <lz1dev> !aprs ping m0xer-4
[00:44] <SpacenearUS> 03lz1dev: Last contact with 03M0XER-4 was 03a few seconds ago
[00:44] <anarcat> haha awesome
[00:44] <anarcat> can you tell which station is rebroadcasting?
[00:45] <lz1dev> you can look on aprs.fi
[00:49] <anarcat> ah yes
[00:49] <anarcat> it's been a while
[00:51] <qyx_> uh -53°C
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[00:53] <englishman> hey, is anyone receiving b-64 in here
[00:53] <lz1dev> not really
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[00:54] <englishman> its only a few km from me, someone has it on aprs atm
[00:54] <anarcat> i was a few minutes ago
[00:54] <anarcat> N 45 23.1193, W 073 07.4616, alt 42112 ft
[00:54] <theRealSIbot> In real units: 42112 ft = 13 km
[00:54] <lz1dev> !aprs info m0xer-4
[00:54] <SpacenearUS> 03lz1dev: 03M0XER-4 is near 03Rouville Regional County Municipality, QC, Canada 10(45.38533,-73.12437) - 12http://aprs.fi/M0XER-4
[00:54] <anarcat> still haven't figured out how to relay that info
[00:54] <anarcat> xastir is being a dick
[00:54] <englishman> which freq anarcat?
[00:54] <anarcat> APRS
[00:55] <anarcat> 144.390MHz, FM
[00:55] <englishman> alright, thanks
[00:55] <englishman> im getting something, every few seconds, what can i use to demodulate?
[00:56] <anarcat> englishman: i'm using a combination of direwolf and xastir
[00:56] <anarcat> englishman: but just piping the audio in direwolf worked here
[00:57] <anarcat> i just plugged a mini jack in my computer and started direwolf and magic happened
[00:57] <englishman> is there a way to do it without routing audio, just sdr?
[00:57] <anarcat> still trying to figure out how to send this to aprs.net
[00:57] <anarcat> englishman: not sure what you mean
[00:57] <englishman> well i can hear it in hdsdr
[00:58] <englishman> and i can make out fm modulation in the waterfall
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[01:09] <anarcat> it's going out of reach from me now
[01:09] <anarcat> haven't seen it for a few minutes
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[01:10] <anarcat> N 45 27.3970, W 072 28.9587, alt 41994 ft
[01:10] <theRealSIbot> In real units: 41994 ft = 13 km
[01:10] <anarcat> got it through a repeater
[01:11] <englishman> im still getting packets but recording them isnt working :(
[01:11] <englishman> so they are just bright fm blobs on the waterfall
[01:14] <englishman> and its gone
[01:14] <englishman> bye, b-64
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[01:15] <anarcat> i still see it through repeaters
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[01:17] <lz1dev> its going like 120mph
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[02:05] <kf7fer> zzqa: glad to hear you got things working. As far as the channel spacing goes, 12.5 isn't correct? I thought that was what I was supposed to use
[02:05] <kf7fer> I see the FCC is pushing for 12.5 for 2m
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[02:24] <zzqa> kf7fer: every UHF/VHF radio service except ham and GMRS are being forced to 12.5khz channels
[02:24] <zzqa> a 12.5khz fm transmission gets captured by a 25khz wide fm receiver, it will just be undermodulated from the pov of the 25khz wide receiver
[02:25] <zzqa> so it will be quiet
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[02:26] <zzqa> got my sa818 breakout radio working with a t3 mini btw
[02:26] <zzqa> receive works great, but tx needs quite a bit of delay before the packet
[02:26] <zzqa> I'm using a cobbled together power supply situation right now while I wait for my order of 5v lm1117s that should be here tomorrow
[02:27] <zzqa> so decent chance it is related to that
[02:27] <zzqa> have you seen anything like that?
[02:37] <kf7fer> Well... you mean a delay between power up and the actual transmit?
[02:37] <kf7fer> sorry I wasn't paying attention
[02:38] <kf7fer> And you mean I should switch to 25 then? I'll have to give that a try
[02:39] <kf7fer> Given the feedback from NiceRF, I modified Trackuino to power up the SA818 1s before I actually started to transmit
[02:39] <kf7fer> I also increased the default PTT delay to 100ms
[02:40] <kf7fer> I guess that's a long way around to say yes eh? :-)
[02:44] <kf7fer> And BTW very cool you've been able to receive; I did a quick test with my first board and wasn't able to receive anything but I really didn't follow up on that given some other issues
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[04:11] <SpacenearUS> New vehicle on the map: 03t_chase - 12http://habhub.org/mt/?focus=t_chase
[04:12] <zzqa> good feedback, I'm not powering it down, but was only doing 50ms of delay between ptt and transmit (default for the tracker3)
[04:12] <zzqa> got much better results at 100 and 150ms
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[05:37] <SpacenearUS> New position from 03PS after 036 hours silence - 12http://habhub.org/mt/?focus=PS
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[06:23] <Myself> anarcat: I'm grinning like a fool over here, someone who'd never heard of this was able to fire up a radio and listen to the actual payload! After it went past my location when I wasn't paying attention, I was annoyed at myself for having missed a historic chance, but now I feel like I didn't really miss out after all. :)
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[06:42] <DL7AD> !hysplit B-64
[06:42] <SpacenearUS> 03DL7AD: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141111-04_143852_B64.gif
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[08:40] <amell> hmm, is the mobile tracker down?
[08:40] <fsphil> fine here
[08:40] <amell> ok. thx.
[08:43] <LazyLeopard> If you're looking at B-4 it can take quite a while to get anywhere...
[08:43] <LazyLeopard> B64, even...
[08:43] <amell> finally loaded. so lap 9 should start about 4pm tomorrow :) Is it coming up to 8 completed? its hard to keep count.
[08:44] <daveake> B-64 has lasted for longer than some governments
[08:44] <amell> 122d
[08:46] <amell> 53% of the distance to the moon.
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[08:49] <amell> It would take light 0.68s to travel the distance flown of B-64.
[08:52] Nick change: BitEvil -> SpeedEvil
[08:52] <gonzo_> 2.15^-8 lightyears
[08:53] <gonzo_> (not wanting to upset dave)
[08:54] <fsphil> it's well on its way to infinity
[08:55] <gonzo_> gives up quite a buzz really
[08:56] <gonzo_> us
[08:59] Action: daveake aims his LED laser beam
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[10:09] <WillDWork> quick one daveake/upu - do you think the pits code will work for the A+ as per the B+ as-is, or is some tweakage required?
[10:09] <UpuWork> should just work
[10:09] <edmoore> tm
[10:10] <daveake> Will need a very slight tweak
[10:10] <daveake> The code checks to see if its a B+ or A/B
[10:10] <daveake> There's no check yet for an A+
[10:10] <daveake> I'll run it up later and perform said tweak
[10:11] <WillDWork> cool beans :)
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[11:30] <Sputnik_> Hello!
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[11:34] <SA6BSS> Sputnik_: hi there!!
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[11:36] <SpacenearUS> New vehicle on the map: 03PI_SKY - 12http://habhub.org/mt/?focus=PI_SKY
[11:36] <Sputnik_> Hello! We are two students from Sweden making a HAB project for the 20th of december. We have a dilemma of what kind of a tracking method we should use to track the payload. We ordered a SPOT 2GPS Messenger from eBay but we´va also got recommendations of tracking with telemetry using a raspberry pi computer.
[11:37] <Sputnik_> We are real amateurs with this kind of equippment and appreciate some advice!
[11:37] <edmoore> 99% of people fly with a simple gps, microconttoller and radio
[11:37] <edmoore> they put these together themselves
[11:37] <edmoore> having radio tracking through the entire flight is very useful - spot doesn't give you that
[11:38] <SA6BSS> yeah, heard of your mission, from david sm0ulc
[11:38] <edmoore> there do exist off-the-shelf radio trackers based on the pi
[11:38] <SA6BSS> have you bought the pi-sky kit??
[11:38] <Sputnik_> Ok. Wich of these methods is most safe?
[11:39] <SA6BSS> the idea of pi in the sky is to hock up cameras and other stof to it, downside is battery time
[11:40] <edmoore> yes - a raspberry pi consumes about 500x more power than is necessary to convert gps data to something to send over the radio - but it will work if you are in a hurry
[11:40] <edmoore> the most safe thing is to build your own microcontroller-based tracker
[11:40] <ulfr> Sputnik_: can go for trackuino or something similar for tracking
[11:40] <ulfr> aprs vise that is.
[11:40] <Sputnik_> ok!
[11:41] <ulfr> it's fairly simple to get running if you have some basic knowledge of electronics
[11:41] <Sputnik_> We can have the sopt as a backup.
[11:41] <ulfr> yeah
[11:41] <SA6BSS> lowpowerd tracker will last for a couple of days if recovey is in a hard to get aeria
[11:41] <ulfr> I've used spot as a backup
[11:41] <ulfr> sometimes it works, sometimes it doesn't.
[11:42] <Sputnik_> Unfortunately i have no basic knowledge for this kind of electronics
[11:42] <SA6BSS> I can send you a barebone tracker with powersupply and atmega 328 fitted for feee
[11:42] <ulfr> There are also "commercial" solutions like BigRedBee's stuff.
[11:42] LWK (LWK@pdpc/supporter/student/lwk) got netsplit.
[11:42] ljenkins (~ljenkins@137.190.80.249) got netsplit.
[11:42] <SA6BSS> you just have to fit a rfm22b and a gps ship to it
[11:42] <SA6BSS> *chip
[11:43] <ulfr> The idea of fitting a ship on a balloon.. I've heard of that somewhere.
[11:43] <SA6BSS> gps and rfm22 is like 230 sek all incl
[11:43] <Sputnik_> ok!
[11:43] <Sputnik_> Thanks everyone! I will come back later on because my lesson starts now. Thank you!
[11:43] <SA6BSS> pm me you adress in case of
[11:44] <UpuWork> 11:40] <edmoore> yes - a raspberry pi consumes about 500x* more power than is necessary to convert gps data to something to send over the radio
[11:44] <ulfr> SA6BSS: is the rfm22 the 2m/70cm chip?
[11:44] <SA6BSS> 70cm
[11:44] <UpuWork> * 10x actually
[11:44] <edmoore> i thought it was about 1W
[11:45] <SA6BSS> ulfr: rfm22b
[11:45] <edmoore> which is what i based my 500x on, seeing as i can convert nmea string to rtty in 2mW easily
[11:45] <ulfr> hm
[11:45] <ulfr> I always forget, what was the stuff that had the capabilities to tx both on 2m and 70cm?
[11:46] <edmoore> or is it now 20mW to run a pi UpuWork?
[11:46] <UpuWork> 220mW for a Pi B+ less for an A+
[11:46] <SA6BSS> rfm can do 315, 434, 863 and915
[11:46] <UpuWork> and about 20mW to run a full low powered tracker with no power saving
[11:46] <ulfr> ah okay
[11:47] <edmoore> ok, so 100x then
[11:47] <UpuWork> err
[11:47] <UpuWork> mA
[11:47] <mattbrejza> so the B+ is 1W?
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[11:48] <UpuWork> no via the buck boost from 6V in it takes about 220mA
[11:48] <UpuWork> not tested A+ yet but expect it to be much lower
[11:48] <edmoore> yeah i'm confused with you staing mA then mW
[11:48] <mattbrejza> so 1.2W?
[11:48] <UpuWork> my 1.8V tracker to do the same thing from ~1.6V takes about 20mA
[11:49] <mattbrejza> that includes gps current though?
[11:49] <edmoore> yeah, so it is about 1W (greater than even) so i was right with my 500x thing
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[11:51] <SpacenearUS> New vehicle on the map: 03VORTEX4 - 12http://habhub.org/mt/?focus=VORTEX4
[11:52] <day> why do gps receiver consume so much power?
[11:52] <UpuWork> I'm confusing amps and watts just ignore me
[11:53] ljenkins (~ljenkins@137.190.80.249) got lost in the net-split.
[11:53] LWK (LWK@pdpc/supporter/student/lwk) got lost in the net-split.
[11:53] <craag> day: magic requires power
[11:53] <day> i some cases its the same, UpuWork :)
[11:53] <craag> and so does the amount of maths they have to do
[11:53] <mattbrejza> a ublox will consume 20mA at 2V?
[11:53] <edmoore> day, they're doing quite a lot of computation
[11:53] <mattbrejza> i wouldnt call that much
[11:53] <craag> along with the extreme low noise RF
[11:53] <edmoore> to track the signal from the gps sattelites
[11:53] <day> hm really doesnt sound like much
[11:54] Action: craag can think of a talk you need to watch...
[11:54] <edmoore> if you want 2 hours of hand waving on the topic, i gave a talk on how to decode gps a couple of yrs ago at the ukas conf
[11:54] <edmoore> vid online
[11:54] <day> i just thought because its commonly claimed that phones die a lot faster with gps on
[11:54] <craag> day: http://ukhas.org.uk/general:ukhasconference2013
[11:54] <craag> Look at the talk links
[11:54] <craag> GPS Part I-IV
[11:55] <edmoore> it has an introduction to SDR in general in I and II
[11:55] <mattbrejza> also when you hve the gps on you also usually have the screen on to follow a map, and perhaps you render this fancy 3D eye level thing too
[11:56] <day> mattbrejza: :P
[11:56] <craag> The gps current is minimal compared to the current required for the fancy screens tbh.
[11:57] <day> gps coordinates only look good on 75hz 4k oled 500dpi displays
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[12:03] <ulfr> haha
[12:03] <edmoore> it's true though
[12:03] <edmoore> i find non-retina screens annoying now
[12:04] <edmoore> even just for using a terminal which is what i mostly do
[12:04] <ulfr> They are quite nice.
[12:07] <day> edmoore: i dont understand why people are bothered by pixeled fonts :/
[12:07] <SpacenearUS> New vehicle on the map: 03VORTEX6 - 12http://habhub.org/mt/?focus=VORTEX6
[12:08] <mattbrejza> can you get retina 22/24" monitors?
[12:08] <day> i have my 2 1080p displays. need nothing else atm
[12:08] <daveake> eroomde This is what you need for a terminal http://www.secretgeometry.com/apps/cathode/
[12:08] <mattbrejza> i saw someone using in the lab the other day
[12:08] <edmoore> day, it's an approximation of the real thing
[12:09] <edmoore> plato doesn't like it
[12:10] <day> edmoore: written words itself try to emulate the real thing
[12:10] <edmoore> no they don't
[12:10] <day> yes they do
[12:10] <edmoore> define 'the real thing'
[12:10] <day> you speak them while you read them
[12:10] Action: daveake grabs popcorn
[12:11] <day> you cannot read without thinking the word :>
[12:11] <craag> what about born-deaf?
[12:11] <edmoore> ok sure, they represent the idea of a word
[12:11] Action: craag ducks
[12:11] <edmoore> but 'saying' them isn't the real thing either
[12:12] <day> craag: yes i wonder what they do :/
[12:12] <edmoore> it's just another instantiation of an idea
[12:12] <day> true
[12:12] <day> what purpose does it have to remove pixels from the xth layer?
[12:12] <day> it doesnt speed up your reading
[12:12] <day> it does nothing :/
[12:13] <edmoore> i find it does help me read
[12:13] <day> if thats the case, fine
[12:14] <day> i think some languages really do profit from it (japense, chinese etc.)
[12:14] <day> but latin characters, are so...crude...they show clearly in a 8x4 matrix
[12:15] <edmoore> i agree with you
[12:15] <edmoore> it's the clunky aliasing i didn't like
[12:15] <edmoore> or rather anti-alising
[12:15] <edmoore> i like the greater impression of crispness, like you get with print
[12:16] <edmoore> i find i tend to read papers on the screen more now, instead of printing them off, for example
[12:20] <day> i dont think my font uses antialiasing. I read a lot of textbooks on the desktop as well.
[12:20] <day> i take that back it does
[12:24] <ulfr> talking about retina
[12:24] <ulfr> I just fixed the wifi on a student's laptop here, mac book pro none retina.
[12:25] <ulfr> My eyes are now literally bleeding.
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[12:36] <day> I have a 15" 1024x768 notebook here :>
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[12:36] <mattbrejza> HD!!!!
[12:37] <day> and right now im sitting in front of a 17" 1280x tft :>
[12:38] <day> Oh. its actually a 19" display :o
[12:39] <amell> goddamn, i love that cathode application. thanks for the pointer. takes me back.
[12:40] <ulfr> I'm so glad that the CRT era is over (mostly)
[12:41] <amell> my only concern about cathode, is that it doesnt have a BBC mode 0 display.
[12:42] <amell> damn, it even has a degauss button
[12:44] <daveake> I should buy a mac just so I can run that
[12:45] <amell> you should. it is totally awesome.
[12:47] <amell> It even has the sound effect just right for degauss :)
[12:50] <day> like one of those c&c tesla coils?
[12:50] <day> i would be degaussing all.day
[12:58] <Laurenceb> B-64 might make the azores this evening
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[13:04] <Laurenceb> http://www.theregister.co.uk/2014/11/11/texas_boffins_put_radio_waves_in_a_spin/
[13:04] <Laurenceb> some high tech stuff there
[13:04] <Laurenceb> a ring of L and C
[13:06] <Laurenceb> i thought this already existed?
[13:07] <Laurenceb> "Of course it is all nonsense. The transmitted signal is not going to find a perfect match on the antenna, especially when the user keeps moving their hands around near it. So some transmitted RF will be reflected back into the receiver."
[13:07] <Laurenceb> ^that
[13:12] <SpeedEvil> I can see in ~10-20 years, portable wireless devices (not really phones as such anymore) having >30 antennas, and doing real-time beamforming taking into account the battery life, and the attenuation environment at a 200hz or so rate.
[13:12] <SpeedEvil> Or more likely, everyone will wear a hat, with a little parabolic gimballed dish
[13:13] <mattbrejza> and at 60GHz or so
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[13:20] <WillDWork> daveake/upu - are you still involved with that lohan thing - or has it gone quiet for you guys?
[13:20] <daveake> We decided to discontinue our involvement
[13:21] <WillDWork> nicely put
[13:21] <UpuWork> too much crazy
[13:22] <WillDWork> was getting a bit mental... but you got the t-shirt though yeah ;)
[13:22] <amell> didnt seem that bad to me.
[13:22] <UpuWork> I mean this politely amell but you have no idea :)
[13:23] <amell> apparently you are a sponsor.
[13:23] <UpuWork> I know they are still using a tracker
[13:23] <amell> lindsey lohan has apparently declined to comment according to the latest article
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[13:25] <daveake> She probably didn't want to sour her reputation
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[13:29] <SpacenearUS> New vehicle on the map: 03PI_SKY_PLUS - 12http://habhub.org/mt/?focus=PI_SKY_PLUS
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[16:41] <chrisstubbs> Got some uBlox MAX-7Q's in the post today
[16:41] <chrisstubbs> http://i.imgur.com/D1Ldwpu.jpg
[16:41] <chrisstubbs> http://ava.upuaut.net/store/image/cache/data/MAX7-3-A-Top-500x500.jpg
[16:41] <chrisstubbs> they look legit
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[16:43] <UpuWork> how much did they cost ?
[16:44] <chrisstubbs> $11.25 each
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[16:45] <Oddstr13> Fun, I stumbled uppon the police radio frequency when browsing the spectrum
[16:46] <Oddstr13> that stuff is clearly using repeaters :P
[16:46] <chrisstubbs> TETRA?
[16:46] <Oddstr13> the police radio? NFM voice ._.
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[16:47] <chrisstubbs> In the UK?
[16:47] UpuWork- (~UpuWork@2a02:b80:12:1:74d9:d15b:9e85:d39) joined #highaltitude.
[16:47] <Oddstr13> Norway
[16:47] <chrisstubbs> Ah right
[16:47] <Oddstr13> Kinda suprised it wasn't atleast scrambled now a day
[16:47] <chrisstubbs> UpuWork- Are the QR code thingys supposed to be different on each chip, or is it a batch thing?
[16:48] <adamgreig> (they are datamatrix fyi)
[16:49] <chrisstubbs> ah thanks adamgreig
[16:49] <chrisstubbs> decodes to 12345678 lmao
[16:49] <adamgreig> hahaha
[16:49] <adamgreig> what nooooo
[16:49] <adamgreig> oh that's poor
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[16:52] <chrisstubbs> http://i.imgur.com/16kppIL.png
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[16:54] <mattbrejza> http://i.imgur.com/mahFHXU.png
[16:54] <chrisstubbs> lol
[16:54] <chrisstubbs> nice try china
[16:54] <adamgreig> wonder what's inside
[16:54] <adamgreig> and how compatible they are
[16:55] <adamgreig> if it's just like a sirfstar that kicks out nmea, lol
[16:55] <adamgreig> but like what about the i2c and spi and ubx and and and
[16:55] <adamgreig> many questions
[16:55] <chrisstubbs> If I can keep them after I get a refund I will have a play
[16:55] <chrisstubbs> will they work at altitude?
[16:55] <adamgreig> who knows :P
[16:55] <adamgreig> sirfstars won't
[16:55] <chrisstubbs> I dont have any legit modules
[16:56] <chrisstubbs> I was going to see if the tracks on the underside look the same
[16:56] <mattbrejza> fairly sure last time someone got fake ubloxes they were legit ublox ics that were perhaps rejects, but with a non legit pcb
[16:56] <adamgreig> curious
[16:57] <daveake> I have a few ebay £6 NEO 6M s here. All the codes are different
[16:57] <chrisstubbs> interesting
[17:03] <Myself> not sure waht you mean by codes
[17:03] <mattbrejza> serial number
[17:03] <Myself> ohhh, scrollback, got it
[17:04] <Myself> sorry :) that's funny, I'll check the datamatrix on my ebay 6m's later
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[17:14] <diegoesep> hello all
[17:15] <chrisstubbs> hi diegoesep
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[17:28] <Upu> chrisstubbs they are probably genuine UBX chips with non genuine parts around them
[17:29] <Upu> or they maybe just end of life 7 series purchased in bulk
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[17:30] <Upu> I got a NEO and a Dx.com NEO
[17:30] <Upu> http://i.imgur.com/VCNb6RT.jpg
[17:31] <Upu> "fake" one used about 1-2mA more
[17:31] <craag> dat xo :O
[17:31] <Upu> and I'd put money the crystal and stuff won't be the same spec as the originals
[17:31] <Upu> oh thats because I overheated it getting the can off
[17:31] <chrisstubbs> Aha
[17:31] <bertrik> no so well soldered
[17:31] <craag> haha ok
[17:31] <Upu> thats actually the real one
[17:32] <daveake> lol
[17:32] <chrisstubbs> I will see what the seller says
[17:32] <Upu> but anyway stop being a cheap skate and get them from me next time
[17:32] <daveake> I remember betting wrong on that pic before
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[17:32] <Upu> do they work ?
[17:33] <chrisstubbs> Not tried them out yet
[17:34] <Upu> you know I dropped the price on modules , ok can't get down to that price but only £4 more
[17:35] <Upu> btw i just decoded the datamatrix from one of my 7Q's here
[17:35] <Upu> 354001582960200
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[17:46] <chrisstubbs> Cheers Upu
[17:47] <chrisstubbs> I agree, if I needed them in any kind of hurry habsupplies would be 100% the best choice
[17:48] <Upu> I'd be very interested to know if they are faked, the 1234567 thing is a bit suspect
[17:53] <Upu> actually post me one up I'll send you a genuine 8Q or 8C back
[17:53] <Upu> lets get one pulled apart
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[18:04] <diegoesep> daveake, Upu chrisstubbs
[18:04] <daveake> pong
[18:05] <diegoesep> i've created a new website for my high altitude balloon launches
[18:05] <diegoesep> the 2nd November I've recovered my payload with RPI including captures of the OLED screen running in the stratosphere
[18:06] <diegoesep> the website is http://fab4space.com for detailed information
[18:06] <edmoore> yeah the view of earth sucks
[18:06] <edmoore> photobomb with the oled
[18:06] <edmoore> oh speaking of which
[18:06] <diegoesep> and I've just uploaded a youtube video showing the OLED screen from the RPI camera
[18:06] <diegoesep> http://youtu.be/tklq7wM6iVw
[18:10] <edmoore> so you have been beaten to space by oled screens
[18:10] <edmoore> thanks to young laurence who decided a GUI was necessary for his hab
[18:10] <edmoore> with a sexy desktop picture
[18:10] <edmoore> http://ukhas.org.uk/_detail/projects:mihab:p1030033.jpg?id=projects%3Amihab%3Amihab3_glider_master_unit
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[18:11] <diegoesep> lol
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[18:34] <LeoBodnar> lol Laurence
[18:34] <Dale__> heya
[18:35] <Dale__> i've had some progress in regards to my uni project, to thos I talked to before
[18:35] <Dale__> http://postimg.org/image/5o5ms23bv/ http://postimg.org/image/z0rfe847v/ http://postimg.org/image/ie9v55ba3/
[18:36] <SpacenearUS> New vehicle on the map: 03C91TDD_chase - 12http://habhub.org/mt/?focus=C91TDD_chase
[18:36] <Dale__> http://postimg.org/image/g6fo2pdbt/
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[18:41] <Dale__> A preview of the PCB http://postimg.org/image/6h22fe8ur/
[18:42] <Dale__> The Design is using a standard abs enclosure, replacing the lid with a PCB
[18:42] <edmoore> all looks fairly sensible
[18:42] <Dale__> GPS, temp, uv and light sensors on outside of enclosure
[18:42] <edmoore> why are you not using the lid?
[18:43] <edmoore> oh, for exposure to the environment
[18:43] <Dale__> inside enclosure micro, another temperature, battery etc
[18:43] <Dale__> yeah :)
[18:43] <Dale__> two small slots will be cut out of top of enclosure
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[18:43] <Dale__> for parachute strap
[18:43] <edmoore> where is your gps antenna?
[18:44] <Dale__> and a small hole on bottom for the rf antenna
[18:44] <Dale__> on rear side
[18:44] <mattbrejza> those RF connectors are a right pita
[18:44] <edmoore> sure but where on the rear
[18:44] <edmoore> i can see the gps
[18:44] <edmoore> but not the antenna
[18:44] <Dale__> its a antenna/ic module
[18:44] <edmoore> oh right
[18:45] <mattbrejza> where are the output caps for the tps61200?
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[18:46] <Dale__> using A2235H gps module
[18:47] <Dale__> isn't a tps61200
[18:48] <edmoore> that gps looks to be based on sirfIV chipset
[18:48] <edmoore> unless you specifically know otherwise, it's unlikely to work at altitude
[18:48] <mattbrejza> oh right, just a 10pin DFN next to power input is highly lickely to be a tps61200 around here
[18:49] <Dale__> tps 63031
[18:49] <edmoore> note the gps comment
[18:49] <edmoore> this is a show-stopper
[18:49] <Dale__> yeah
[18:49] <Dale__> ok i'll have to look into it
[18:50] <mattbrejza> oh right
[18:50] <Dale__> cheers for heads up
[18:50] <edmoore> np
[18:50] <edmoore> that's why we're here
[18:51] <mattbrejza> i would suggest you still have a look at your regulator layout
[18:51] <Dale__> out of curiosity, why not?
[18:51] <mattbrejza> reference layout is 2x10u
[18:51] <mattbrejza> and you could probably arrange them a bit better
[18:51] <edmoore> my answer is 2-part
[18:52] <edmoore> 1) gps chipsets have to (for most values of have to) comply with cocom regulations
[18:52] <Dale__> ah ok, its using 2 0603 10uf
[18:52] <edmoore> which set maximum altitudes and speeds for gps receivers so they can't be used in homemade missiles or whatever
[18:52] <edmoore> it's meant to be speed AND altitude exceeded, but often implemented as OR
[18:52] <edmoore> sirf implements as OR but separately has a maximum altitude of about 24km iirc
[18:53] <edmoore> just because their altitude filters assume that to reduce the search space
[18:53] <mattbrejza> i see one input cap and one output cap
[18:53] <edmoore> no use for hab
[18:54] <edmoore> most here use Ublox chipsets (thought you don;t have to) which are known-good at altitude, provided you pet them into airborne mode
[18:54] <Dale__> ah ok great thanks, i'll have to look into an alternative
[18:54] <Dale__> i've sent the PCB off
[18:54] <edmoore> ok
[18:54] <Dale__> but will be a good progression
[18:54] <Dale__> in my project
[18:54] <edmoore> maybe bodge-wire the tx and rx to an external ublox module
[18:54] <Dale__> development of board
[18:55] <Dale__> yeah
[18:55] <edmoore> upu will fix you up with such a thing
[18:55] <Dale__> can't grumble £15 for 10 pcbs from china
[18:55] <edmoore> yes, life is nice and cheap nowadays
[18:56] <edmoore> makes up for house prices
[18:56] <Dale__> sounds a silly one, black soldermask for being most emmissve?
[18:56] <Dale__> yeah hahaha
[18:56] <edmoore> that's probably a reasonable assumption
[18:57] <edmoore> but i can start to get complicated if you want to characterise the thermal environment properly
[18:57] <Dale__> i'll conformal coat around ICs then
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[18:57] <edmoore> not just in a handwavey way
[18:57] <Dale__> to spread heat
[18:57] <edmoore> to spread heat you just want a big copper pour
[18:58] <Dale__> yeah, fortunately I spent a year in industry last year so still have good ties with my old company for climatic chamber testing
[18:58] <Dale__> I tried a large pour
[18:58] <edmoore> you should be fine
[18:58] <edmoore> which micro are you using?
[18:59] <edmoore> and where was your YINI, out of interest?
[18:59] <Dale__> msp420g2553
[18:59] <Dale__> 430*
[18:59] <Dale__> Apollo Fire Detectors
[19:00] <edmoore> nice chip
[19:01] <Dale__> has some nice sleep modes
[19:02] <Dale__> quite flexible port mapping also
[19:03] <mattbrejza> you might be interested in cc430 which has a built in radio
[19:03] <Dale__> i've changed the eeprom ic package since that picture also
[19:04] <Dale__> yeah, I had seen the cc series
[19:04] <Dale__> Was going for the tried and tested radio module for time being
[19:04] <edmoore> also the fram MSP430's
[19:04] <edmoore> really interesting
[19:05] <Dale__> yeah
[19:05] <mattbrejza> well i have both tried and tested the cc430 and it works fine ;) (obviously the ntx2 is a better starting point)
[19:06] <Dale__> ah awesome, imagine it would bring size of overall pcb down
[19:06] <mattbrejza> you can also use this as the output balun/match/filter http://uk.farnell.com/johanson-technology/0433bm15a0001e/balun-433mhz-impedance-matched/dp/2148531?Ntt=0433bm
[19:07] <Dale__> oh right
[19:08] <Dale__> im going for a 1200mah single cell lipo for the power source at the moment
[19:08] <edmoore> keep it warm
[19:09] <edmoore> most use primary cells for up-down flights
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[19:09] <edmoore> better temp performance
[19:09] <Dale__> yeah was going to be inside enclosure
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[19:09] <Dale__> with insulation
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[19:15] <Dale__> cheers for help anyways so far
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[19:36] <Lunar_Lander> hello
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[20:12] <Geoff-G8DHE-Tab> Rosetta starts slewing to drop the lander
[20:13] <fsphil> it's programmed to take a picture of Rosetta on the way down
[20:13] <fsphil> should be a neat picture
[20:14] <Mirici> 2?12
[20:14] <SpeedEvil> https://www.youtube.com/watch?feature=player_detailpage&v=NxqSiNPheFQ#t=59 - on the release
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[20:17] <SpeedEvil> On a related topic.
[20:17] <SpeedEvil> One thing yet to be dropped - that would get lots of publicity - a ghetto blaster
[20:18] <fsphil> https://www.youtube.com/watch?v=yY2SGPtRmnA
[20:19] <fsphil> hopefully Philae doesn't have a red shirt on
[20:22] <Upu> any live feed ?
[20:22] <Babs> Evening all. Its been a while...
[20:23] <Upu> oh Mr Babbington good evening sir
[20:23] <Babs> what I haven't found out is whether philae has reaction wheels to orientate it on the way down
[20:23] <Upu> how is you overly complex but quite beautiful piece of engineering coming along ?
[20:23] <Upu> your
[20:23] <Babs> i can't imagine you could deploy it and get it anything other than a small rotation on the way down
[20:23] <Upu> and hows the kid ?
[20:23] <lz1dev> http://new.livestream.com/esa/cometlanding
[20:24] <Babs> evening upu. slowly - i blame the baby and my inability to master the crimping tool
[20:24] <Upu> ta lz1dev
[20:25] <Babs> the wiring is getting complex https://www.flickr.com/photos/91049302@N00/15381431277/in/set-72157636929911016
[20:25] <Babs> but neat and tidy
[20:25] <Babs> https://www.flickr.com/photos/91049302@N00/15380807989/in/set-72157636929911016
[20:25] <Babs> if you aren't colour coding your heat shrink you just aren't playing properly
[20:26] <fsphil> pretty
[20:26] <Upu> looks great
[20:26] <Babs> pre assembly
[20:26] <Babs> https://www.flickr.com/photos/91049302@N00/15280867529/in/set-72157636929911016
[20:26] <Babs> thanks fsphil
[20:26] <Babs> i have even taught myself some c++ and programmed myself a tracker
[20:27] <Babs> it has two temperature sensors and works out the triangulation angles between its position and the position i want to point at, then outputs an analogue signal to control a board to control the three pointy motor things
[20:28] <lz1dev> Upu: apperantly
[20:28] <lz1dev> next go is at 0130 UTC
[20:28] <Upu> yeah will probably be in bed
[20:28] <Upu> let me know how it goes :)
[20:29] <pc1pcl> The next Go/NoGo, to confirm that the commands are ready to be uploaded and that the orbiter is in good health, will be made at 00:00 UTC/01:00 CET.
[20:30] <pc1pcl> ^--http://blogs.esa.int/rosetta/2014/11/11/gonogo-1-rosetta-is-on-track/
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[20:35] <Geoff-G8DHE-Tab> Live stream
[20:35] <Geoff-G8DHE-Tab> http://new.livestream.com/ESA/cometlanding
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[21:22] <Geoff-G8DHE> !hysplit
[21:22] <SpacenearUS> 03Geoff-G8DHE: HYSPLIT available for: 03B-64
[21:22] <SpacenearUS> 03Geoff-G8DHE: No HYSPLIT for that callsign
[21:22] <Geoff-G8DHE> !hysplit b-64 kml
[21:22] <SpacenearUS> 03Geoff-G8DHE: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141111-16_156398_B64.gif
[21:23] <Geoff-G8DHE> !hysplit kml b-64
[21:23] <SpacenearUS> 03Geoff-G8DHE: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141111-16_156398_B64.kmz
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[21:36] <anarcat> how long does b-64 take to cross the atlantic?
[21:36] <arko> depends on the winds at the altitude it's floating at
[21:37] <arko> ive seen it happen in like a day
[21:37] <arko> sometimes a few days
[21:38] <Myself> anarcat: it seems we've acquired another addict! :)
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