highaltitude.log.20140925

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[00:12] <kf7fer> And not to be difficult but given https://github.com/HABduino/HABduino/blob/master/Software/habduino/habduino.ino#L446-L468 Upu I think that line 452 is an error, don't you think? Otherwise you call sendUBX twice
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[00:34] <amell> kf7er: that line is part of the array&
[00:36] <kf7fer> amell: I'm sorry... what? Line 452 calls sendUBX... and then, since gps_set_success isn't set, isn't it called again at 455?
[00:36] <kf7fer> oh wait... NM... I get you
[00:36] <kf7fer> it's the argument to the call
[00:37] <kf7fer> oops... my bad
[00:37] <amell> return value is arg to the call
[00:37] <kf7fer> right. Sorry, I was confused. I thought the line was truncated
[00:37] <amell> it does get called twice, unnecessarily though. just store return value and reuse it.
[00:38] <kf7fer> just thought I'd caught a slight error is all
[00:39] <kf7fer> So can you sell me on why I should kill NMEA and just use UBX? I really didn't study the code for Habduino but isn't that what it does?
[00:40] <amell> if i recall rightly need to use UBX if you want to change flight mode etc as it cant be done with NMEA but i could be wrong on that
[00:40] <amell> Im not a salesman, if you want a sell go to someone else.
[00:41] <kf7fer> Heh. I didn't mean that, I was just hoping you knew a reason why using UBX would be better. I use it to set flight mode but I still get NMEA data. I _thought_ I'd read someplace that you can configure the ublox to just talk UBX and there are some good reasons for that
[00:42] <kf7fer> as opposed to pulling NMEA data from the gps "as normal"
[00:42] <amell> reasons probably got lost in the mists of time
[00:42] <amell> everyone does it that way, cos its always been done that way
[00:42] <kf7fer> cargo cult?
[00:43] <kf7fer> I just figured I was missing something good
[00:43] <kf7fer> doesn't look like there is any magic I missed
[00:45] <kf7fer> historically I'm in the bathroom when the good stuff gets handed out. Take that comment as you will :-)
[00:46] <amell> i shall refrain from comment on your bathroom habits
[00:47] <amell> and on that note, I shall bade farewell as its time to hit the sack.
[00:47] <kf7fer> I always suspected you were a gentleman
[00:47] <zyp> I'm not making HAB stuff, but if I did, I'd use UBX
[00:47] <zyp> because dealing with binary data is easier than parsing ascii strings
[00:48] <kf7fer> zyp: so that is the difference? Instead of polling ASCII data you're polling binary? I am ignorant, sorry. I thought that using UBX allowed you do to things like poll the GPS when you wanted data vs. it always sending you data
[00:49] <zyp> unsure, I haven't studied the differences in command sets
[00:49] <kf7fer> oh ok. It's just that parsing ASCII NMEA data has been done to death so there are lots of code examples on ways to do it. Seems easy
[00:49] <zyp> I'd expect UBX to also be able to send unsolicited messages just like NMEA
[00:49] <zyp> probably
[00:50] <kf7fer> but probably binary data is smaller? saves time?
[00:51] <zyp> less code to write, less code to run, less data to transfer
[00:52] <kf7fer> fair enough. I'll take a look at using UBX but there are a few fixes I have to do first... ;-)
[00:53] <kf7fer> I was just looking for the epic moment where I see the light and the universe changes and all that junk
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[01:32] <mheld> hey y'all
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[01:45] <kf7fer> hey mheld. Having any good luck today?
[01:45] <mheld> bought myself 24 hours with the customer
[01:45] <mheld> so, that's fun
[01:46] <kf7fer> with any luck things will change between now and then eh?
[01:48] <mheld> I dunno!
[01:48] <mheld> I can't get my GPS module to get a quick enough fix
[01:48] <mheld> nor can I get cell triangulation to be accurate
[01:48] <mheld> so
[01:48] <mheld> yeah
[01:48] <kf7fer> how quick is quick?
[01:48] <mheld> within a minute
[01:48] <kf7fer> what unit?
[01:48] <kf7fer> ublox?
[01:49] <kf7fer> I've been playing with the MAX-7 and sometimes I get a fix in 60s or less, other things much longer (say 5+ mins)
[01:50] <kf7fer> but more often than not it's longer than 60s. But I hear the MAX-8 is better :-)
[01:50] <mheld> kf7fer: yeah max7
[01:50] <mheld> which to me is absurd
[01:51] <kf7fer> what sort of antenna are you using?
[01:51] <SpeedEvil> mheld: why absurd?
[01:51] <kf7fer> things=times just to show how slow I am
[01:51] <mheld> taoglas ones
[01:52] <mheld> SpeedEvil: I'm impatient?
[01:52] <kf7fer> like a chip antenna? They have lots of antennas ;-)
[01:53] <mheld> kf7fer: it's an external antenna
[01:53] <mheld> I don't know the model number
[01:53] <kf7fer> active?
[01:53] <mheld> oh wait
[01:53] <kf7fer> so you did the inductor off the MAX-7?
[01:53] <kf7fer> and a resistor... I forget what you really need to do an active antenna
[01:53] <mheld> http://www.mouser.com/Search/ProductDetail.aspx?R=AP.25F.07.0078Avirtualkey57580000virtualkey960-AP25F070078A
[01:53] <mheld> that one
[01:54] <kf7fer> so you just output to a U.FL or something?
[01:54] <mheld> I think so?
[01:55] <mheld> is it sensitive enough?
[01:55] <kf7fer> Got me. I was just wondering how you wired the MAX-7 to the antenna. This is your own board or a custom board?
[01:56] <mheld> hah, I guess it's my board
[01:56] <mheld> I paid for the development of it
[01:56] <mheld> but didn't design it
[01:57] <kf7fer> well I was just going to say that my first attempt at doing an off-board antenna for the MAX-6 was a failure because I didn't power the antenna, so it only really worked with a passive antenna
[01:57] <kf7fer> that's why I was asking how it was wired
[01:57] <kf7fer> not that the antenna you mention needs power... I'm not 100% sure
[01:57] <kf7fer> just wondering
[01:57] <mheld> I don't think so
[01:57] <mheld> it works
[01:57] <mheld> it's just slow as hell
[01:57] <kf7fer> just slow?
[01:58] <kf7fer> ah ok. always slow? Never fast?
[01:58] <mheld> I also wish it worked indoors
[02:00] <kf7fer> I've been putting these http://ava.upuaut.net/store/index.php?route=product/product&path=59_65&product_id=55 on my boards and I get fix times that are sometimes terrible... but I do get a fix
[02:00] <kf7fer> even indoors if I wait 10+ mins sometimes
[02:00] <mheld> oh those are cute
[02:00] <kf7fer> very small and light
[02:02] <kf7fer> Sorry I can't help with your problem. I'd assume that if you needed an active antenna and weren't powering it... it wouldn't work - at all. Not be slow, just not work.
[02:02] <kf7fer> but I'm often wrong so... <shrugs>
[02:02] <mheld> hah
[02:02] <mheld> maybe I can set up nav mode
[02:02] <mheld> and get a fix outside
[02:24] <mfa298> I suspect active antenna without power may work in some cases but it will depend on the antenna. If it does work I could well be slower.
[02:26] <mfa298> You may want to look at the rf side of the ublox as I think they're also very sensitive. so if there's no protection it could be possible to blow it's front end making it deaf.
[02:27] <mfa298> I'm only really repeating what others have said
[02:28] <mfa298> the data sheet on that gps antenna suggests it's active so you probably want to check it's got the components to alllow it to be powered
[02:34] <mfa298> Time to get a lock will in part depend on how good a veiw of the sky you have. Before you can calculate position you need to download all the empheris data. If you have a poor view of the sky or the gps/antenna isn't optimal then it could take a while to get the data and have enough sats to get a lock
[02:35] <mfa298> if you can report the time/position/number of sats/ fix status in your sent data /debug output then that might give an idead of how it's working
[02:36] <mfa298> and getting it outside could help a lot.
[02:37] <mfa298> lastly it may help if you can share the circuit design and/or layout as someone (probably more knowledgeable than me) may be able to spot things that cause issues
[02:40] Action: mfa298 heads back to bed (monologue over)
[03:10] <aadamson> kf7fer, ping PM
[03:11] <mheld> hah I can do that! https://www.dropbox.com/s/xquj2603g7j8946/schematic.png?dl=0
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[03:44] <_2_marii14> hi!
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[07:11] <SpacenearUS> New vehicle on the map: 03DDF5WXF_chase - 12http://habhub.org/mt/?focus=DDF5WXF_chase
[07:12] <SpacenearUS> New vehicle on the map: 03DF5WXF-9_chase - 12http://habhub.org/mt/?focus=DF5WXF-9_chase
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[09:34] <SpacenearUS> New vehicle on the map: 030x01 - 12http://habhub.org/mt/?focus=0x01
[09:36] <fsphil> hex marks the spot
[09:37] Action: amell looks forward to 0x02
[09:39] <thasti> :)
[09:40] <thasti> with these 10 PCBs, we should get to 0x0a at least :p
[09:40] <daveake> Might be as well to skip /0xDEAD
[09:40] <amell> lets avoid any lost balloons by skipping 0xDEAF
[09:40] <fsphil> what?
[09:42] <daveake> I want 0xBAC0 and 0xF00D
[09:44] <lz1dev> how about some 0xDEADBEEF
[09:45] Action: craag_philcrump 's home v6 subnet is DEAD:AC1D:D0D0
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[09:47] Nick change: 7F1ABCNFV -> edmoore
[09:48] <fsphil> this is the main reason for switching to IPv6
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[09:50] <edmoore> what is?
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[09:58] <mfa298> I had an old sparc station with dead rtc battery (also stored the mac address) which I always set the mac address to 8:0:20:13:de:ad
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[10:04] <craag_philcrump> For a websdr we thought about using a subnet for multicast audio streaming, with a connection to :145:350:F3E for 145.350 FM demodulated.
[10:04] <craag_philcrump> :J3E for ssb etc
[10:04] <mfa298> lol
[10:20] <fsphil> :J3E would be tricky
[10:20] <craag_philcrump> good point
[10:20] <craag_philcrump> afsk from now on then :P
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[10:21] <TCMSLP> Hey all
[10:21] <fsphil> yo
[10:21] <TCMSLP> I met some HAB types at EMF camp in the UK
[10:21] <amell> Im sorry to hear that
[10:22] <TCMSLP> They had tiny trackers which could either send telemetry via an fldigi friendly mode, or APRS
[10:22] <TCMSLP> hehe ;)
[10:22] <edmoore> making trackers is a fun part of the hobby
[10:22] <TCMSLP> I'm looking for such a tracker. It was about the size of an OXO cube, weighed a few grams, output in mW
[10:22] <amell> you probably met mattbrejza
[10:23] <edmoore> most people make them themselves
[10:23] <TCMSLP> They were a great bunch. We (the amateur radio village) helped track a balloon launch.
[10:23] <gonzo_> it's probably the main part opf the hobby for a lot of us
[10:23] <TCMSLP> I'd be keen to get involved in the hobby myself
[10:24] <TCMSLP> are they any cheap commercially available APRS trackers?
[10:24] <edmoore> 1) you can't fly APRS in the uk
[10:24] <TCMSLP> s/they/there/
[10:24] <UpuWork> well depends on cheap however
[10:24] <UpuWork> what Ed said
[10:24] <TCMSLP> edmoore: Sure, but I'm interested for another use :)
[10:25] <TCMSLP> I'd like to try fitting a low power APRS tracker to my car
[10:25] <edmoore> 2) Some people sell trackers. You can buy one if you feel you really must
[10:25] <UpuWork> byonics
[10:25] <UpuWork> trackuino
[10:25] <TCMSLP> I'm assuming you guys buy the RF module and control with a PIC/Arduino?
[10:25] <UpuWork> or Kenwood and Yaesu do some handhelds with it
[10:26] <edmoore> TCMSLP, that's one option
[10:26] <TCMSLP> UpuWork: Yeah, was looking for simple stand-alone boards
[10:26] <edmoore> there are many off the shelf radio modules and DIY, and many flavours if microcontroller
[10:26] <LeoBodnar> mW won't work on a car
[10:26] <TCMSLP> ok - I'll do some more research
[10:26] <UpuWork> 300mW works fine
[10:26] <TCMSLP> depends on the antenna
[10:26] <LeoBodnar> well its Ws in my book
[10:26] <gonzo_> there were some pic based aprs designs, a while ago, that took in NMEA data and sapt out audio tones and an TX line. There are bound to be a few more designs around by now
[10:26] <LeoBodnar> i meant 10-50mW
[10:27] <gonzo_> spat
[10:27] <UpuWork> http://ava.upuaut.net/store/index.php?route=product/product&path=71_63&product_id=69
[10:27] <mfa298> TCMSLP: for car use you could potentially also look at using one of the many low powered arm boards which could potentially do other things as well (people have done basic APRS nodes like that which can do RF APRS and APRS-IS
[10:27] <UpuWork> one of those with a microcontroller and a gps
[10:27] <UpuWork> and a decent antenna
[10:27] <edmoore> for car use a cheap handheld might be the thing
[10:27] <edmoore> generate the audio with a micreo
[10:27] <edmoore> micro*
[10:27] <LeoBodnar> UpuWork's APRS Pi thing
[10:28] <daveake> I use a Baofeng + Bluetooth TNC + Android for the car.
[10:28] <TCMSLP> Yeah, lots of options - I'd quite enjoy hacking something together. The balloon tracker grabbed my attention as it was everything in a small package (GPS, controller, TX)
[10:28] <daveake> Yeah but you do need watts rather than mW as LeoBodnar said
[10:28] <edmoore> yeah - the balloon trackers work because of Line of Sight
[10:29] <edmoore> but they're only 10mW
[10:30] <TCMSLP> I'd be happy with mW - the gain of a decent antenna vs power increase - perhaps not such a big deal :)
[10:30] <TCMSLP> But anyway - I've got lots to start researching now - thanks
[10:31] <craag_philcrump> 10mw -> 100 mW would need a 10dB better antenna
[10:31] <craag_philcrump> An omnidirectional of that gain is in no way practical at 144MHz
[10:32] <edmoore> http://www.4x4central.com/n0lrj.jpg
[10:33] <edmoore> or maybe http://upload.wikimedia.org/wikipedia/commons/f/f4/Alma_antenna_in_transit.jpg
[10:34] <mfa298> that last vehicle would make the commute to work fun (as long as you're the one driving it)
[10:35] <edmoore> too many low bridges round me
[10:35] <SpeedEvil> edmoore: Just fit some bridge-bars.
[10:36] <edmoore> given most 2m repeaters are just people talking about traffic, it might be interesting to check in: "I AM the traffic"
[10:36] <mfa298> they'll only be low bridges for the first commute in ;)
[10:36] <SpeedEvil> Push them gently but firmly out of the way
[10:37] <gonzo_> I know someone who has a 3mtr dish on a trailer
[10:38] <gonzo_> has to be towed with it facing sideways to the horison. I'm really would not feel safe towing something withb that size sail
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[10:39] <gonzo_> I did suggest that he should bring the ax rotator control into the car and use it like a rudder
[10:39] <SpeedEvil> you mean vertically pointed downwards?
[10:39] <gonzo_> az
[10:39] <gonzo_> nope, pointing sideways
[10:40] <gonzo_> but side on, so it would be less drag
[10:40] <SpeedEvil> Pointing sideways - so that it's a massive aerofoil?
[10:40] <gonzo_> it does have a curved raydome on the front, so iut should not present too much of an aerofoil section
[10:42] <gonzo_> it's pretty balanced in terms of airflow. But to do that the front dome has to have a power bulge for the feed assy. So it looks like a huge tit
[10:42] <gonzo_> I have been forcably excluded from his yard, when drunk and in posession of marker pens
[10:44] <SpeedEvil> ah
[10:44] <SpeedEvil> :)
[10:45] <SpeedEvil> i'm guessing he really likes Sky, and goes to africa a lot?
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[11:28] <gonzo_> actually he does not have a tv. But Africa?
[11:29] <SpeedEvil> Large dishes are sometimes used to pick up british TV at extended ranges outside the nominal footprint
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[12:24] Action: amell curses as he realises he needs to remove a header from a PCB.
[12:25] Action: SpeedEvil passes amell a chainsaw.
[12:26] <daveake> Dremel shirley?
[12:27] <amell> dont call me shirley
[12:27] <amell> https://www.youtube.com/watch?v=0A5t5_O8hdA
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[12:29] <edmoore> hands up if you actually need that reference explained
[12:30] <gonzo_> and 'you can tell me, I'm a doctor' ?
[12:31] <aadamson> amell, if it's a male one and it's the type has has the little plastic block on it, you can sometimes remove the block carefully in one piece (depending on length) and then you can remove 1 pin at a time
[12:31] <aadamson> if femail... well. all bets are off :)
[12:32] <edmoore> you can pull the pins through the block too
[12:32] <edmoore> one at a time
[12:32] <aadamson> yep, that works too
[12:32] <aadamson> or, if you have hot air, you can get it all at once, but they are always tricky and I've pulled more via's that I care to admit trying to remove a header
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[12:43] <fsphil> there must be a soldering iron tip designed to remove headers
[12:43] <fsphil> http://mywidaco.com/wp-content/uploads/2014/02/T0054173499-450x450.jpg
[12:43] <fsphil> yay
[12:46] <mattbrejza> in labs we have a solder sucker + iron which works very well
[12:46] <Darkside> also desoldering guns
[12:46] <mattbrejza> providing UGs dont destroy the tip
[12:46] <Darkside> which ar emagic
[12:47] <mattbrejza> we're probably talking about the same thing
[12:47] <fsphil> yea that's probably the best way
[12:47] <Darkside> easy to lift pads with a desoldering gun tho
[12:47] <Darkside> if you try a bit too hard
[12:47] <mattbrejza> the tip is hollow and when you press a button it sucks through the tip?
[12:47] <Darkside> yes
[12:47] <Darkside> and they are made of win and awesome
[12:49] <fsphil> I've destroyed many a board trying to get stuff desoldered :)
[12:49] <fsphil> must get one
[12:49] <amell> ive succeeded in destroying my soldering station
[12:50] <mattbrejza> http://www.jbctools.com/div-premium-pneumatic-desoldering-station-product-94-category-2-menu-2.html
[12:50] <mattbrejza> is pretty good
[12:50] <amell> the metal insulator thing came out without me noticing, put iron back, and wondered what the smell was 10 mins later.
[12:50] <amell> iron holder is now a gob of melted plastic stuck to the iron. great
[13:18] <SpeedEvil> http://stm.sciencemag.org/content/6/255/255ra133
[13:18] <SpeedEvil> Closed-loop neuromodulation of spinal sensorimotor circuits controls refined locomotion after complete spinal cord injury
[13:18] Action: SpeedEvil ponders headless bird UAVs.
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[13:40] <mheld> anybody have any sort of GSM library that knows what to do with messages you get from a modem?
[13:45] <edmoore> what form are the messages from the modem?
[13:45] <edmoore> AT commands or something?
[13:45] <mheld> AT ones
[13:45] <mheld> yeah
[13:46] <edmoore> think i've always just rolled my own
[13:46] <gonzo_> I've worked on thye seimens MC35's a while ago. All At commands. But clunky but doable
[13:46] <gonzo_> snap
[13:46] <myself> that's the idea of open-source, puff, puff, pass..
[13:46] <daveake> snap2
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[13:47] <craag_philcrump> snap3
[13:47] <craag_philcrump> can't oss mine though
[13:47] <gonzo_> and one want to crackle and pop?
[13:47] <daveake> Just pray it has SMS text mode so you don't need to do PDU ...
[13:47] <gonzo_> thuink mine was just a wodge of asm
[13:47] <mikestir-work> daveake: do you know what the difference is between the rfm96w and the rfm98w?
[13:48] <daveake> I think the 96 potentially has a wider freq range
[13:48] <gonzo_> the siemens ones you could do sms with AT commands, through a term prog
[13:48] <gonzo_> I used to have to do that to set up credit on it
[13:49] <daveake> I have an rtty/gsm tracker here. Never flown it, but the SIM card did (after testing) receive a message "We understand you have recently had an accident ..."
[13:50] <mikestir-work> daveake: right, the SX1278 vs SX1276 then presumably? HopeRF seems to sell the two modules despite them being apparently identical
[13:50] <daveake> yep
[13:50] <mikestir-work> are you aware of any practical difference assuming you're only going to use the 434 MHz band?
[13:51] <daveake> There are none if you are using 434
[13:51] <daveake> same modes, same everything
[13:52] <mikestir-work> ok ta. thought I might get some to have a look at - have a potential non-HAB application, but obviously I might as well build an rx for your trackers at the same time
[13:58] <edmoore> so the end customer can hear voices coming from the heavens
[13:58] <edmoore> civilations in the future will hear B64 and think it an angel
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[16:54] <ajay_> Hi, I have a question about FLdigi?
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[16:55] <ajay_> So I can configure the software to track someone else's balloon but how do I track my own? I need to test whether my GPS tracker is working. I have it on 434.6255 mhz and it picks up what I imagine is my GPS. How do I then display that information?
[16:56] <mattbrejza> you can manaully set shift/bits etc in the modem menu
[16:56] <mattbrejza> right click on the bit that says RTTY50 bottom left
[16:56] <mattbrejza> (iirc)
[16:57] <ajay_> right, what next?
[16:57] <mattbrejza> you have a box with a range of settings?
[16:58] <mattbrejza> !wiki connecting+arduino
[16:58] <SpacenearUS> 03mattbrejza: No results for your query
[16:58] <daveake> !wiki tracking guide
[16:58] <SpacenearUS> 03daveake: Found 0310 results for you query - 12http://ukhas.org.uk/start?do=search&id=tracking%20guide
[16:58] <mattbrejza> !wiki connecting arduino
[16:58] <SpacenearUS> 03mattbrejza: No results for your query
[16:58] <mattbrejza> pfft
[16:58] <daveake> !wiki arduin+ntx2
[16:58] <SpacenearUS> 03daveake: No results for your query
[16:58] <daveake> !wiki arduino+ntx2
[16:58] <SpacenearUS> 03daveake: No results for your query
[16:58] <daveake> wut
[16:58] <daveake> !wiki arduino ntx2
[16:58] <SpacenearUS> 03daveake: No results for your query
[16:59] Action: daveake gives up
[16:59] <ajay_> I have a box of settings yeah.
[16:59] <daveake> hmm
[16:59] <daveake> make them the same as your tracker is sending
[17:00] <ajay_> I'm actually using your HABduino tracker dave!
[17:00] <daveake> Not mine
[17:01] <ajay_> oh sorry i thought you designed it.
[17:01] Action: daveake points at Upu
[17:02] <Upu> 7n2
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[17:11] <ajay_> Ok I've configured the settings. However I'm getting an error : GPS set buf has failed....
[17:12] <Lunar_Lander> evening
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[17:15] <ajay_> Sorry the error was : Error GPS setvbuf( has failed. Any idea what this is?
[17:16] <mfa298> is that an error on dl-fldigi, in which case are you trying to get it to update it's location from gps ?
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[17:18] <ajay_> yeah it's on dl-fldigi. I'm testing my gps tracker and i'm getting this error. I get a string of characters but it doesn't seem to get the location.
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[17:21] <mfa298> the location settings in dl-fldigi are for dl-fldigi's location not your trackers position.
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[17:21] <mfa298> on windows getting dl-fldigi's position via gps doesn't work. On linux it can work but you need a suitable gps device connected to the computer.
[17:22] <mfa298> for now it's probabbly best to just manaually configure them.
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[17:22] <ajay_> yeah those have been set to be uploaded automatically.
[17:22] <mfa298> the position from the tracker will come in over the radio link and decoded by the rtty settings
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[17:24] <ajay_> i have everything setup. The gps is transmitting, the radio is connected to fldigi and is picking up the signal. It just isn't giving me the greenlight to say it has decoded the string, instead i get that error message
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[17:26] <mfa298> you probably want to setup dl-fldigi a bit like http://ukhas.org.uk/guides:tracking_guide#computer
[17:27] <mfa298> the bit in dl client -> location is about where that dl-fldigi instance is not where the tracker is so in general should be set to stationary listener which I think is what your error is
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[17:30] <ajay_> yeah sorry it's set to stationary listener and i've put it my gps coordinates and elevation etc.
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[17:31] <mfa298> with that right you should see an antenna on the map where you live with your name on it (whatever you set as callsign in the dl-fldigi settings)
[17:31] <ajay_> yep i can see that
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[17:31] <mfa298> that means you can upload packets
[17:32] <mfa298> then you just need to get the rtty settings right to be able to decode the recieved audio
[17:32] <ajay_> do you know what could be causing the issue?
[17:32] <ajay_> in the RTTY settings i mean?
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[17:33] <mfa298> bad audio level (there's a diamond at the bottom of the screen that should be green), then bits, stop bits, shift baud rate etc in rtty settings
[17:33] <ajay_> the diamond flashes from green to red
[17:34] <ajay_> sorry and yellow, it's not constant
[17:34] <mfa298> some screenshots of what you're seeing and the rtty settings might help
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[17:36] <daveake> Also what radio, are you tuned in correctly, and have you tried the Rv button in dl-fldigi?
[17:36] <ajay_> these are my settings: http://imgur.com/ccnRhaG
[17:37] <daveake> Need to see the signal
[17:37] <ajay_> its an FDK-750e radio, tuned to 434.645 (which is what the gps tracker is transmitting) and yes i've tried the rv button
[17:38] <ajay_> ok its managed to decode it but it didn't pass the checksum
[17:38] <daveake> You've got the shift set to 535, which seems unlikely
[17:38] <mfa298> that looked more like 1200 shift but that seems high if it's a habduino
[17:39] <mfa298> it might be looking at a harmonic / image rather than the main siganl
[17:40] <mfa298> back later
[17:40] <ajay_> dave do you mean the carrier shift?
[17:41] <x-f> isn't FDK-750e a 2m radio?
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[17:42] <ajay_> it is a 2m radio but I have a expander
[17:42] <x-f> ah
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[17:45] <daveake> Can you post an image that includes the signal please
[17:47] <ajay_> http://imgur.com/TwdkiOs
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[17:49] <ajay_> oh it's just gone green. passed the checksum
[17:50] <ajay_> sorry false alarm, its gone back to red.
[17:50] <x-f> tune up a bit to get the signal in the centre, also turn off SQL (lower right), select USB (next to the freq) and then turn off Rv
[17:53] <ajay_> is the signal not central enough? Where should it be around?
[17:54] <craag_philcrump> in the middle of the blue bit
[17:54] <x-f> around 1500 Hz
[17:54] <ajay_> ah sorry.
[17:57] <ajay_> it's still saying checksum bad
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[17:57] <tjanos> good afternoon
[17:57] <x-f> reduce the sound volume, diamond should be green
[17:58] <x-f> good evening
[17:58] <daveake> also you have it set to 1 stop bit not 2
[17:58] <tjanos> thasti: what about your 0x01 balloon?
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[18:01] <ajay_> still no luck. still red
[18:02] <ajay_> the diamond constantly moves from green, yellow and red
[18:02] <tjanos> thasti: is it your utrak design?
[18:03] <ajay_> sorry what is i
[18:03] <ajay_> what is a 'utrack'?
[18:03] <ajay_> *utrak
[18:04] <tjanos> or what is 0x01?
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[18:12] <thasti> tjanos: ajay_ sorry busy right now
[18:12] <thasti> yes it is
[18:12] <thasti> just test for now, launch will be next week
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[18:14] <ajay_> could the bad check sum be a code issue?
[18:14] <tjanos> ok, thanks! we are waiting for the fly...
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[19:39] <SpacenearUS> New vehicle on the map: 03UAD - 12http://habhub.org/mt/?focus=UAD
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[20:35] <arko> env x='() { :;}; echo WAT' bash -c "echo OH NO"
[20:36] <mfa298> that's the old one. There's an updated one for which I dont think a patch has been released yet
[20:37] <arko> heh
[20:38] <mfa298> why did I move away from using tcsh as my default shell
[20:39] <mattbrejza> so that shouldnt echo OH NO on a patched system?
[20:39] <Upu> [root@noc ~]# env x='() { :;}; echo WAT' bash -c "echo OH NO"
[20:39] <Upu> bash: warning: x: ignoring function definition attempt
[20:39] <Upu> bash: error importing function definition for `x'
[20:39] <Upu> OH NO
[20:40] <craag_philcrump> mattbrejza: It shouldn't echo WAT
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[20:40] <amell> having a brain fart here. How do I print a byte array? i.e. Serial.println(buffer); where buffer is defined as byte buffer[40]
[20:40] <mattbrejza> ah
[20:40] <amell> google isnt helping
[20:41] <mattbrejza> set up dma at the start of the array
[20:41] <mattbrejza> make sure its not in circular mode
[20:43] <mfa298> Upu: that means you've got the current set of patched packages. but there's now CVE-2014-7169
[20:43] <mfa298> http://www.theregister.co.uk/2014/09/25/shellshock_bash_worm_type_fears/
[20:45] <mfa298> although the main attack vector looks to be bash CGI scripts which I thought went out of fashion in the 90's all the 'cool' kids use php
[20:45] <mfa298> and the knowledgable ones use python or ruby
[20:46] <amell> changing from byte array to char array solved my issue, is there really a difference?
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[20:49] <mattbrejza> one might be signed
[20:50] <mattbrejza> was it a compiler error or did it just not work?
[20:50] <amell> compiler error complaining about overloading.
[20:51] <amell> i think its sorted now.
[20:51] <mattbrejza> well if it wanted char and you gave it byte...
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[20:56] <amell> shellshock - tbh, i am surprised it was not discovered before now.
[20:57] <mfa298> probably was by gchq / nsa but why would they share such discoveries (/paranoia)
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[21:03] <craag_philcrump> mfa298: What's the tweeted line on that article meant to do?
[21:03] <craag_philcrump> env X='() { (a)=>\' sh -c "echo date"; cat echo
[21:03] <mfa298> creates a file called echo with the date in it.
[21:03] <craag_philcrump> doesn't here
[21:03] <craag_philcrump> or on any of my boxes
[21:04] <craag_philcrump> I believe ubuntu patched the second one last night
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[21:06] <mfa298> It wasn't patched earlier today
[21:06] <amell> as an aside, I met Stephen Bourne once, nice chap.
[21:06] <craag_philcrump> Haven't installed a patch for bash since..
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[21:07] Nick change: [1]chrisstubbs -> chrisstubbs
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[21:10] <mfa298> https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1373781
[21:10] <mfa298> only opened 13 hours ago...
[21:11] <craag_philcrump> huh
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[21:12] <craag_philcrump> maybe automatic updates did finally work..
[21:12] <mfa298> ah, that tweet version fails on ubuntu as sh != bash
[21:12] <mfa298> sh on ubuntu is dash
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[21:14] <mikestir> I haven't found a single vulnerable box yet either
[21:14] <mfa298> if you change the sh to bash you'll get the date printed (you might want to run in /tmp and rm echo first)
[21:14] <mfa298> env X='() { (a)=>\' bash -c "echo date"; cat echo
[21:14] <mikestir> and the whole thing about embedded systems being vulnerable is total tosh - virtually all of them will be running busybox
[21:15] <murb> lalalalala.
[21:15] Action: murb hides in a corne.
[21:15] <amell> jesus, arduino ide sucks ass. started programming another board with the wrong code just because i clicked on the code while i was compiling the first.
[21:15] <mfa298> I don't agree with the places that say it's a bigger bug that heartbleed. That was as big although in a different way
[21:16] <murb> it is certainly trivial to exploit.
[21:16] <mikestir> only if you find a remote attack vector
[21:16] <murb> mikestir: yeah, the low targets will get hit first.
[21:16] <murb> then the things that dhcp etc.
[21:17] <murb> almost certain an embedded box i know of is vulnerable to a dhcp attack.
[21:17] <mikestir> so what's the dhcp attack? is it against the server or clients?
[21:17] <mfa298> the thing this bug really does show up is the whole Linux is secure because you can read the source code.
[21:17] <mfa298> obviously no ones read the source for bash in ~20 years
[21:18] <mfa298> so maybe Linux will be secure in 2114 if we're lucky
[21:18] <mfa298> mikestir: I think it's a theoretical client side vuln for dhcp as dhclient can run scripts as hooks
[21:19] <mfa298> so if I set my dhcp server to send an option with an exploit code in it and the client pases that to a script then it's exploted.
[21:22] <mfa298> the isc dhpcp server can also run scripts but that's a less common setup.
[21:23] <mfa298> looking in /etc/dhcp/chclient*/ the scripts do look sh/bash like although I'm not sure what shell they're run under
[21:26] <mfa298> that looks like it could be exploitable ...
[21:26] <mfa298> mike@gateway:/etc/dhcp$ file /sbin/dhclient-script
[21:26] <mfa298> /sbin/dhclient-script: Bourne-Again shell script, ASCII text executable
[21:26] <mfa298> mike@gateway:/etc/dhcp$ head -1 /sbin/dhclient-script
[21:26] <mfa298> #!/bin/bash
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[21:30] <mfa298> although that just means you're friendly sysadmin can remote explot your box, and chances are they can do more nasty stuff instead...
[21:33] <mikestir> so that new test (echo date one) still doesn't seem to work on a debian box even if I explicitly run bash first
[21:34] <mikestir> I thought that one remained unpatched?
[21:38] <mfa298> I dont have any debian stuff to play with so maybe they've pushed something to try fixing it or tried something else.
[21:38] <mfa298> it looked like there's an unoffical patch for that 2nd bug and a few other suggestions on how to fix, but nothing official
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[21:39] <mfa298> I think Ubuntu were possibly going down the unofficial patch line
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[21:39] <mfa298> link in the launchpad url I pasted earlier
[21:40] <mfa298> I think some people were suggesting just replacing bash with dash
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[22:07] <SpacenearUS> New vehicle on the map: 03KC5UFS_chase - 12http://habhub.org/mt/?focus=KC5UFS_chase
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[00:00] --- Fri Sep 26 2014