highaltitude.log.20141023

[00:02] <esculca> what is the usual RSSI value?
[00:03] <esculca> I am wondering if this value is too much
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[00:11] <ulfr> Unless you're really close to transmitter, it shouldn't really matter that much.
[00:11] <ulfr> Just the lower threshold matters.
[00:11] <ulfr> And it depends on how the RSSI is calibrated to begin with,
[00:12] <ulfr> What is the distance between RX/TX antennas?
[00:13] <esculca> right now I have them separated by 2meters
[00:13] <ulfr> Not knowing what kind of modules these are, what is the TX power?
[00:13] <ulfr> RFI can cause some weird issues sometimes
[00:14] <esculca> The HAB is sending 80 byes packets once every 5 seconds
[00:14] <ulfr> so shielding them off from each other might help.
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[00:15] <esculca> I will try to get an longer power cable and separate them apart
[00:15] <esculca> I am not shielding the LORA modules at all
[00:16] <esculca> I simply create the PCB board and solder them
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[01:50] <SpacenearUS> New position from 03RA4NHY after 038 hours silence - 12http://habhub.org/mt/?focus=RA4NHY
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[02:05] <SpacenearUS> New position from 03B-64 after 032 days silence - 12http://habhub.org/mt/?focus=B-64
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[02:08] <arko> YEAHHHHHH
[02:08] <arko> nice B-64
[02:08] <arko> float on little dude
[02:08] <arko> !hysplit B-64
[02:08] <SpacenearUS> 03arko: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141022-22_111071_B64.gif
[02:08] <arko> hm
[02:08] <arko> i dont recall how to make it force an update
[02:08] <arko> !whereis b-64
[02:08] <SpacenearUS> 03arko: 03B-64 is over 03Guangshui, Suizhou, Hubei, China 10(31.6783,113.7772) at 0312857 meters
[02:13] <arko> my
[02:13] <arko> my heart
[02:14] <arko> dear god
[02:14] <arko> are my eyes really seeing this...
[02:14] <arko> http://ready.arl.noaa.gov/hypubout/113881_trj001.gif
[02:14] <arko> i cant believe it
[02:15] <arko> B might fly by los angels
[02:15] <arko> LeoBodnar: DUUUUDDEEEEE
[02:15] <arko> b-64 is coming to LA!!!!
[02:18] <kf7fer> B-64 finally went Hollywood?
[02:18] <arko> YESSSSSSSSSSSSSSS
[02:18] <arko> im so excited
[02:19] <arko> im gonna get my radio equiptment ready
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[02:20] <kf7fer> So it's BACK in 5 more days?! Wow... that was quick
[02:20] <arko> :D
[02:20] <arko> im so stoked
[02:23] <arko> i'll test the equiptment tonight
[02:23] <arko> to be 100% sure im ready for B-64
[02:24] <arko> if it flies close enough, i'll get my high power telescope out and try to take a picture of it
[02:24] <arko> wow it's moving fast....
[02:27] <kf7fer> 110+ MPH?
[02:27] <kf7fer> focus quickly ;-)
[02:28] <arko> heh
[02:32] <kf7fer> So I found 4 30g Kaymont balloons in a drawer... Not sure where I got them. Never drink and surf eBay I guess. I wonder if I'll get 100g lift if I combine them?
[02:32] <kf7fer> (well I mean the same lift as a 100g Kaymont since I don't think any of the predictors go down this small)
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[04:57] <goopypanther> anyone know anything about what kind of battery b-64 is using?
[04:58] <Bob_Saget> I have an idea, but minimum quanty order is 500
[04:59] <goopypanther> what chemistry is it?
[05:00] <Bob_Saget> geb... it needs a different electrode because of it's low operating temp
[05:01] <Bob_Saget> it's actually a gebl
[05:02] <goopypanther> is that a chemistry or a company?
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[05:14] <goopypanther> Li/SOCl2 look like they might be worth looking into, supposably work at low temperatures
[05:33] <Upu> its a lipo goopypanther
[05:36] <goopypanther> oh wow, that doesn't give any trouble?
[05:36] <Upu> they have to get above 0 to charge
[05:36] <Upu> are you wanting rechargable ?
[05:38] <Upu> Li-SOCl2 have crap current ability
[05:39] <goopypanther> yeah, I was looking for rechargable
[05:39] <goopypanther> I don't imagine running telemetry would draw very much current
[05:43] <Upu> if your flight is short duration
[05:44] <Upu> use Energiser L91 or L92
[05:45] <goopypanther> yeah I used l522 on my first flight
[05:46] <goopypanther> We think they froze dispite insulation, auto cutdown never happened, flight extended a few hours longer that it was supposed to and the payload skipped the state
[05:47] <Upu> yeah use the L91's
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[07:19] <peterbjornx> upu: ping
[07:19] <UpuWork> pong
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[07:36] <ok1cdj> gm all
[07:40] <fsphil> morns
[07:40] <daveake> morn
[07:42] <ok1cdj> i need help with fldigi on ubuntu 14.4, is there any package or i need compile from source ?
[07:42] <fsphil> have you tried https://launchpad.net/~simrunbasuita/+archive/ubuntu/dl-fldigi ?
[07:43] <fsphil> I'm not a ubuntu user so dunno if these would work on 14.4
[07:45] <ok1cdj> yes but there are packages only for older version..
[07:46] Nick change: priyesh_ -> priyesh
[07:46] <ok1cdj> ok, will try to compile from source..
[07:47] <fsphil> http://www.bbc.co.uk/news/uk-england-29687769
[07:48] <ok1cdj> second question, i would like to connect fldigi with gqrx and rtl-sdr is it possible without connecting speaker to mic with cable.. some virtual audio cable.. there are many ways ho to do it in linux, but what is the best ??
[07:48] <fsphil> you can use pulseaudio to do that
[07:49] <fsphil> in a program called pavucontrol
[07:49] <arko> fsphil:
[07:49] <arko> !hysplit B-64
[07:49] <SpacenearUS> 03arko: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141023-04_117057_B64.gif
[07:49] <fsphil> you'd set the dl-fldigi input to the sound card monitor
[07:49] <arko> looks like i maybe getting lucky
[07:49] <fsphil> lol
[07:49] <arko> :D
[07:49] <arko> sorry, didnt mean to derail conversation here
[07:50] <daveake> Had to happen eventually :)
[07:50] <arko> carry on
[07:50] <arko> im so excited
[07:50] <fsphil> sooo close
[07:50] <fsphil> hopefully it's not trolling you
[07:50] <arko> you guys know the drill at this point
[07:50] <arko> any time of day
[07:50] <fsphil> you need a B alarm
[07:51] <arko> i really do
[07:51] <fsphil> so do I
[07:51] <daveake> Prediction: It'll just be coming into range when LA gets that next big earthquake, cutting off all power
[07:51] <arko> LeoBodnar: if this happens, im buying you a cake
[07:51] <arko> lol
[07:51] <arko> i have batteries!
[07:51] <arko> muhaha
[07:51] <fsphil> ha
[07:51] <daveake> isleoflyingneararko.com
[07:51] <arko> "YES .. MAYBE... LETS SEE"
[07:52] <ok1cdj> fsphil ok thanks.. will test it..
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[07:53] <gonzo_> that BBC item aboiut the drones. "The BBC asked the CAA if it had the resources to deal with the growing popularity of drones, but it did not respond"..... Yep, they will have to be patient and DM may respond to them in a few weeks!
[07:53] <fsphil> lol
[07:53] <fsphil> so it's not just me he ignores
[07:53] <daveake> "Sorry we don't have the resources to answer your question"
[07:54] <daveake> "We blame daveake for all those notam requests"
[07:55] <gonzo_> I suspect you favoured as you tend to use the same site and it's easier to crank the handle.
[07:55] <daveake> yeah I think so
[07:55] <daveake> Also not a lot going on near here
[07:55] <gonzo_> new sites are work
[07:56] <daveake> We do get some jets and Chinooks practicing to see how low they can fly
[07:57] <daveake> but that's it
[07:57] <fsphil> doubt they'd care much about a notam
[07:57] <daveake> hah
[07:57] <fsphil> or possibly use your balloon for practice
[07:57] <daveake> target practice
[07:57] <daveake> snap
[07:58] <fsphil> I'm convinced my notams attract light aircraft
[07:58] <daveake> yup this is common I think
[07:58] <daveake> I get at least as many fly-pasts as I get calls re the notam
[07:59] <gonzo_> there is a helicopter training place nere my home town. When I was doing crop picking as a summer job, they would come over and see if they could hold a shadow over you when you were having a kip in the rows, rather ther than working
[07:59] <daveake> It's their problem. All you can do is a quick visual check and listen before you let go
[08:00] <gonzo_> I wonder how many calls the southampton uni lads get. Craag said they use Stoney Cross in the New Forrest as a notamed launch site. And that is a visual reporting point for VFR
[08:00] <gonzo_> -r
[08:02] <daveake> Very weather dependent. If it's the first nice sunny day for a while, I can get 4-6 calls
[08:02] <daveake> If it's wet and windy, none, for some reason
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[08:06] <gonzo_> hmmm, the whole drone issue..... Isn't a drone an autonamous vehicle. These quad copters are just RC craft
[08:07] <LeoBodnar> all their resources are dealing with drones themselves, not their popularity ""The BBC asked the CAA if it had the resources to deal with the growing popularity of drones.."
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[08:11] <SpacenearUS> New vehicle on the map: 03FOKUS-1 - 12http://habhub.org/mt/?focus=FOKUS-1
[08:11] <gonzo_> nice. Have considered joining the legal profession?
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[08:50] <MaXimaN> Good moaning
[08:50] <jcoxon> eek
[08:51] <MaXimaN> The tour of B-64 continues I see :)
[08:52] <fsphil> ah the nice korea this time
[08:53] <MaXimaN> That BBC article on drones... I think they misquoted. I'm pretty sure what they asked was, "The BBC asked the CAA if it had the resources to deal with morons flying multirotors dangerously."
[08:53] <fsphil> http://upload.wikimedia.org/wikipedia/commons/0/05/Waterfall_on_Jeju_Island%2C_Korea.jpg
[08:54] <fsphil> whoa
[08:54] <fsphil> B gets to visit all the nice places
[08:57] <jcoxon> yay for B-64
[08:57] <jcoxon> i wonder how south it went
[08:58] <jcoxon> we should be able to get the back data i hope
[08:58] <SpacenearUS> New vehicle on the map: 03MTG002 - 12http://habhub.org/mt/?focus=MTG002
[08:59] <LeoBodnar> STAY CALM AND B READY
[08:59] <jcoxon> hey LeoBodnar
[09:00] <jcoxon> how are you keeping busy these days?
[09:00] <LeoBodnar> i am "monitoring"
[09:00] <LeoBodnar> how's life?
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[09:01] <jcoxon> not bad thanks
[09:01] <jcoxon> day off
[09:01] <jcoxon> currently writing a ruby/curses script to display ukhasnet gateway data
[09:01] <edmoore> i could do with such a thing
[09:01] <LeoBodnar> full day? whoa
[09:01] <jcoxon> i know!
[09:01] <edmoore> i have jury duty from monday
[09:01] <edmoore> that's going to have to be my holiday
[09:01] <jcoxon> shame about the 13 shifts for the weekend
[09:01] <jcoxon> 13hr*
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[09:03] <Lunar_LanderU> morning
[09:04] <SpacenearUS> New vehicle on the map: 03VORTEX4 - 12http://habhub.org/mt/?focus=VORTEX4
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[09:27] Nick change: Matt_soton -> mattbrejza
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[09:40] <tweetBot> @SUSpaceflight: Soldering time! @dangerousproto @thecraag #ukhas http://t.co/TK1gIk7sNN
[09:40] <craag> \o/
[09:41] <mattbrejza> they beat your dhl shipped ones :P
[09:41] <mattbrejza> quite a headstart though
[09:42] <craag> yeah, if the tracking hasn't updated by tomorrow I'm going to ping them an email
[09:42] <craag> Looks a bit like they've been lost in the handover to dhl
[09:42] <mattbrejza> hmm :/
[09:42] <jcoxon> mattbrejza, what are those boards?
[09:43] <jcoxon> lora stuff?
[09:43] <mattbrejza> lora trackers and basestation
[09:43] <jcoxon> nice
[09:44] <mattbrejza> the basestation has a little lcd, bluetooth and usb
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[09:54] <fsphil> I'm thinking of re-using some old WRT54G cases for a lora base station
[09:54] <fsphil> would look nice
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[09:59] <gonzo_> brushed finish die cast ali is nicer
[09:59] <gonzo_> and screened
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[10:08] <craag> fsphil: That's a good plan
[10:09] <craag> I was looking at putting anthony's board in a case with SMA antennas, but then you've got 2 20cm antennas, 4 cm away from each other
[10:11] <mattbrejza> mimo ;)
[10:11] <craag> heh unfortunately only diversity
[10:13] <craag> I think getting mimo working is more your area matt ;)
[10:14] <fsphil> gonzo_: yea but I've got these cases sitting doing nothing, may as well use them for something
[10:14] <fsphil> plus I can steal all the front panel LEDs from the old boards
[10:14] <mattbrejza> it would need a bladerf
[10:16] <gonzo_> I'll join you with lora at some stage. Have an LNA begging to get used for somethinmg
[10:22] <SpacenearUS> New position from 03EDUPIC5 after 032 days silence - 12http://habhub.org/mt/?focus=EDUPIC5
[10:24] <jcoxon> just reading this old article
[10:24] <jcoxon> http://www.wired.com/2014/06/google-balloons-year-later/
[10:25] <jcoxon> claims that the record for circumnavigation is 22 days
[10:25] <UpuWork> haha
[10:25] <fsphil> oops
[10:25] <jcoxon> not sure what b-64 has done it in
[10:25] <mattbrejza> well 100/6 < 22
[10:25] <fsphil> I think the last one was definitly quicker than 22 days
[10:25] <UpuWork> last one was very quick I think
[10:26] <fsphil> should be able to calculate it...
[10:27] <fsphil> 53914 positions in the database
[10:27] <fsphil> nice
[10:33] <fsphil> loop 1 took 19 days
[10:33] <mattbrejza> are you checking if these are 'legit' loops?
[10:33] <fsphil> just the time between crossing the launch latitude atm
[10:34] <craag> Oh didn't know they were doing LTE -> handsets now
[10:34] <craag> that's impressive
[10:34] <craag> Some real link budget magic somewhere
[10:34] <jcoxon> its quite an old article
[10:35] <fsphil> yea the first one was a few months after that
[10:36] <fsphil> the last loop was 14 days
[10:36] <fsphil> if I've got the correct times
[10:36] <fsphil> that's impressive
[10:37] <UpuWork> yup
[10:37] <fsphil> it was quite far south too, so should count
[10:37] <UpuWork> whens it meant to hit Arko ?
[10:37] <mattbrejza> so its ment to hit arko or get lost in the atlantic?
[10:37] <mattbrejza> !hysplit b-64
[10:37] <SpacenearUS> 03mattbrejza: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141023-04_117057_B64.gif
[10:37] <fsphil> early next week I think
[10:39] <jcoxon> the guys down in melbourne are doing some really cool stuff
[10:39] <jcoxon> has anyone seen a blog about it?
[10:39] <UpuWork> Andy ?
[10:39] <jcoxon> i read something about wspr going on
[10:39] <UpuWork> http://picospace.net/
[10:40] <jcoxon> they've adapted the decoding software to upload to spacenear.us - thats so cool
[10:41] <UpuWork> Andy occasionally comes on here
[10:42] <fsphil> B-64's done 6 laps hasn't it?
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[10:44] <jcoxon> i think so
[10:47] <Geoff-G8DHE> B-64 flight path todate http://360.g8dhe.net/HAB_Flights/2014_Flights/B-64_20140712/index.php?ind=3
[10:47] <gonzo_> is not b64 on it's 6th lap now. 5 complete
[10:47] <fsphil> http://pastebin.com/JVG7Mk01
[10:47] <fsphil> think this is correct
[10:47] <Geoff-G8DHE> Its on the 7th lap at present
[10:47] <fsphil> 13 days is the fastest
[10:47] <gonzo_> I must have missed one?!
[10:48] <Geoff-G8DHE> but so far ony the first loop meets the FAI rules but this 7th loop may do so as well.
[10:48] <Geoff-G8DHE> see the image above
[10:49] <fsphil> ah I thought lap 6 did too
[10:49] <fsphil> too far north over russia
[10:49] <mattbrejza> that 3,300km line doesnt hvae to be centred on the pole, so i think a few should meet the requirement
[10:49] <mattbrejza> i had worked it out at one point
[10:50] <mattbrejza> also no reason for the lap to start at 0E
[10:50] <Geoff-G8DHE> No the loops have been to squashed must have at least 30 degrees seperation at all point in the loop, so you can fit the circle "cap" in
[10:51] <Geoff-G8DHE> the image above shows the cap for the first loop in Black
[10:51] <SpeedEvil> What are the rules - it's got to go round a virtual circle 6600km in diameter?
[10:51] <mattbrejza> you can 'optimize' by taking a points it has passed though, then draw great circle distances between them though?
[10:51] <mattbrejza> and that circle must cover the pole
[10:51] <Geoff-G8DHE> Not quite you can position two 30 degree diameter caps at any point and the flight path must be between them
[10:52] <fsphil> makes sense. not as easy to calculate though :)
[10:53] <Geoff-G8DHE> It means you must fly a path with at least 30 degree seperation at all points so no looping round a pole at say 80 degrees
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[11:11] <LeoBodnar> I think you are allowed to select arbitrary points spaced at certain distance [11:53] <Geoff-G8DHE> It means you must fly a path with at least 30 degree seperation at all points
[11:13] <LeoBodnar> I may be mistaken though
[11:13] <LeoBodnar> and use great circle paths between these points
[11:13] <Geoff-G8DHE> See section 4.8.3 of this document http://www.fai.org/downloads/cia/SC1
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[11:14] <LeoBodnar> "After the flight the pilot must choose: i) a selection of position check points"
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[11:15] <LeoBodnar> so not "all recorded points" but "all selected points"
[11:15] <Haxxa> Hi is anyone willing to lend me a hand with me antartica sensor?
[11:15] <Haxxa> I am having some software issues
[11:15] <Haxxa> Its based from an arudino
[11:15] <Haxxa> anyone here experienced in that?
[11:16] <Geoff-G8DHE> Yes I see what you mean LeoBodnar
[11:16] <mattbrejza> but 4.8.4.1 confirms great circle optimisation
[11:16] <LeoBodnar> is antarctica sensor binary?
[11:16] <jcoxon> Haxxa, antartica sensor?
[11:16] <mattbrejza> (Without having read the entire document, thre might be different sections for aircraft, balloons etc)
[11:16] <LeoBodnar> mine shows 0 all the time
[11:16] <Haxxa> Yer I am asking here because of similar conditions but I am sending a data logger to antartica
[11:17] <jcoxon> oh i see
[11:17] <jcoxon> what is the sensor?
[11:17] <jcoxon> and people might be able to help
[11:17] <Haxxa> an atmega328p standalone with a heat sensor, light sensor etc.
[11:17] <Haxxa> running arduino code
[11:18] <jcoxon> link to the code?
[11:19] <Haxxa> http://pastebin.com/ZAedUEqY
[11:20] <jcoxon> what is hte problem you are experiencing?
[11:20] <Haxxa> Ok so I will explain code first - otherwise it hard to intrept
[11:20] <Haxxa> *its
[11:21] <Haxxa> SO the code is designed to wake from sleep every so often and get the sensor values and upload them to the eeprom
[11:21] <Haxxa> So very basic data logger
[11:22] <Haxxa> problem is the sensor is not saving the data to the eeprom for some reason
[11:22] <jcoxon> so in the past i've had issues with using both the eeprom and the wdt
[11:23] <DL7AD_> hi
[11:23] <Haxxa> yer - the wdt works
[11:23] <jcoxon> how long are you planning to keep the device out in field?
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[11:24] <Haxxa> battery is all sorted and watchdog times are tested to be fine for current draw - 3 monthes
[11:24] <Haxxa> in any case battery and current draw are not issue
[11:24] <jcoxon> and the eeprom capacity?
[11:24] <jcoxon> is it hte onboard eeprom or external?
[11:24] <Haxxa> 32kb its enough - sounds small but onl3 digit number every 20 minutes so its fine
[11:25] <Haxxa> external
[11:25] <jcoxon> i see - i2c eeprom
[11:25] <Haxxa> The board can write to the eeprom fine using test code
[11:25] <Haxxa> yes
[11:25] <fsphil> would be an interesting project adding compression to that
[11:25] <Haxxa> It needs to leave asap
[11:25] <Haxxa> just need it to work ;)
[11:26] <Haxxa> in any case what I know - WDT works and waking works
[11:26] <Haxxa> polling dht sensor works
[11:26] <jcoxon> have you tried it without wdt?
[11:26] <Haxxa> yes
[11:26] <jcoxon> if you temporarily turn off wdt
[11:27] <Haxxa> the problem is the way in which I am writing to the eeprom
[11:27] <Haxxa> the format I think
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[11:27] <Haxxa> Its hard to debug as I have no serial output
[11:27] <Haxxa> just have to upload and check
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[11:28] <jcoxon> are you giving it enough time to re-initiate the peripherals
[11:29] <craag> The DHT method should give enough delay
[11:29] <craag> I'm wondering if there's something happening on the i2c bus when the avr is in sleep
[11:29] <Haxxa> yes there is a 2000 ms delay which was tested to give enough time
[11:29] <jcoxon> Haxxa, if the eeprom works without wdt then i doubt its your format
[11:30] <jcoxon> Haxxa, how about using a lighter sleep mode to see if that makes a difference
[11:30] <jcoxon> where it doesn't turn off its peripherals
[11:30] <Haxxa> jcoxon as in with test programwrite 123 and read back
[11:30] <Haxxa> okgive me a moment
[11:31] <craag> just try with 'delay(300*1000)' or something instead
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[11:31] <craag> so you know it's caused by some sleep mechanic
[11:31] <ok1cdj> hi
[11:31] <jcoxon> bbiab
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[11:32] <Haxxa> craag isn't that a huge delag
[11:32] <Haxxa> *delay
[11:32] <Haxxa> 30 seconds?
[11:32] <ok1cdj> does anyone have expirence with differencies between ublox7 and ublox8 modules. I have some problem with parsing output.. Paser with ublox6,7 works, but no with ublox8..
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[11:33] <craag> Haxxa: Yeah try that then
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[11:34] <craag> Ah you're sleeping for 8 seconds
[11:34] <craag> so do an 8s delay
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[11:35] <craag> then the only change will be the peripheral shutdown/boot, so you can isolate whether or not that's causing the issue
[11:35] <craag> it could possibly be a timing bug, so keep that constant for now
[11:35] <gonzo_> are you sure that your eeprom write has finished before going back into sleep.
[11:36] <craag> he does write 3 times, with 5ms delays after each
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[11:36] <gonzo_> have seen issues with cctry/functions that has internal buffering, so the actual actions carry on well after the fn has returned
[11:36] <gonzo_> fairy nuff
[11:37] <craag> Would be worth putting a second or so of powered-up delay before sleep to check, if replacing sleep with delay fixes it
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[11:40] <Haxxa> back
[11:40] <Haxxa> sorry bit confused...
[11:41] <Haxxa> so make delays longer...
[11:41] <craag> no
[11:41] <craag> currently:
[11:41] <anerDev> hey guys :)
[11:41] <craag> sense - write - sleep - sense - write....
[11:41] <craag> replace with:
[11:41] <craag> sense - write - delay(no powr off) - sense - write - delay - ...
[11:41] <craag> So you're not messing with peripherals
[11:42] <Haxxa> so disable sleep temp.
[11:42] <craag> if this works: the problem is with the peripherals
[11:42] <gonzo_> are you short of sleep
[11:42] <DL7AD_> !hysplit B-64
[11:42] <SpacenearUS> 03DL7AD_: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141023-10_127276_B64.gif
[11:42] <craag> if it doesn't - the problem somewhere else
[11:44] <Haxxa> whats the easiest way to disable sleep and wdt - what should I coment out
[11:45] <craag> enterSleep();
[11:45] <craag> in the loop
[11:45] <craag> comment it out
[11:45] <Haxxa> coment that out
[11:45] <Haxxa> ok
[11:45] <craag> and put delay(8000)
[11:45] <craag> ;
[11:45] <Haxxa> cool trying now
[11:46] <craag> Theoretically it should perform identically - just with more current draw
[11:46] <Haxxa> sorry I have to do like 5 steps to check if it works moving chips around so takes time - brb in 2
[11:46] <craag> np
[11:46] <Laurenceb> B-64 heading for arko
[11:46] <DL7AD_> yeah :D
[11:46] Nick change: DL7AD_ -> DL7AD
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[11:51] <craag> Haxxa: A bit of googling has found that you may need to call 'Wire.begin()' again after a POWER_DOWN sleep
[11:51] <craag> So try adding that before readSensor() in the main loop if the 'delay' test works.
[11:52] <daveake> Sounds very plausible
[11:56] <Haxxa> craag ok thanks for looking up
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[12:08] <Haxxa> craag http://files.sharenator.com/149302.jpg
[12:09] <Haxxa> Thank You you've helped a n00b student get a project ready to send to antartica
[12:10] <craag> :D
[12:10] <craag> Let us know how it goes!
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[12:15] <day> paypal checkout makes things too easy T_T
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[12:25] <edmoore> gluck haxxa
[12:25] <edmoore> i enjoy your midnight hacking
[12:25] <Darkside> hehe
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[13:11] <MaXimaN> Wow
[13:12] <MaXimaN> B-64 was doing 130mph on the last update
[13:12] <Geoff-G8DHE> Has the APRS feed for B-64 stopped ? SNUS doesn't appear to be upto date as APRS is ?
[13:12] <edmoore> you can see why there are several companies trying to puit wind turbines in the jet stream
[13:15] <SpeedEvil> They hate predictable global weather, and want to screw it up?
[13:18] <Geoff-G8DHE> mmuuu, surely its the mass of crossing the blades rather than just the speed that is important, given the air density at those altitudes does it actually pay off ?
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[13:18] <daveake> I've seen over 200mph on one of mine, but that was in much thinner winds
[13:21] <MaXimaN> Don't they know that putting wind turbines up there will slow the wind down and be a climate catastrophe?
[13:21] <MaXimaN> ...said many Republicans
[13:23] <SpeedEvil> Geoff-G8DHE: Energy out is proportional to air density * speed^2 - at maximum.
[13:24] <SpeedEvil> So - if winds aloft are 10* those at the ground, you can go a _long_ way up before it drops down to the same
[13:24] <Geoff-G8DHE> Indeed
[13:25] <Geoff-G8DHE> I'll try raising my mast a bit higher then, shall I ?
[13:25] <SpeedEvil> :)
[13:26] <SpeedEvil> Solar panels also work the same way
[13:26] <SpeedEvil> Much easier if they're on a 20km pole
[13:26] <Geoff-G8DHE> and travelling at 100MPH ?
[13:26] <day> floating in space*
[13:27] <day> directly connected with thin wires to Geoff-G8DHE notebook battery
[13:27] <Geoff-G8DHE> Yup sounds a good idea!
[13:27] <day> like a space dragon :3
[13:27] <Geoff-G8DHE> World trip in 90 minutes
[13:27] <day> floating on sun winds
[13:28] <Geoff-G8DHE> I see NASA have cancelled the solar sail experiment again :-(
[13:28] <SpeedEvil> :/
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[13:37] <Laurenceb> well you can extract all the worlds energy from the jet stream quite easily
[13:37] <Laurenceb> only one small problem
[13:38] <Laurenceb> you end up extracting a considerable fraction of the power in the jet stream
[13:38] <Laurenceb> totally screwing up the weather
[13:38] <Geoff-G8DHE> Won't that turn the earth into a superconductor if all the energy is extracted ?
[13:38] <Laurenceb> lol
[13:38] <Geoff-G8DHE> *core of earth
[13:38] <Laurenceb> its actually semi practical
[13:39] <Laurenceb> very large (>>A380) flying wing
[13:39] <Laurenceb> doing loops at ~40kfeet
[13:39] <Laurenceb> on a tether
[13:39] <Laurenceb> that would put out a GW or two
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[13:45] <SpeedEvil> Similarly underwater
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[13:47] <Laurenceb> someone broke the aprs
[13:47] <edmoore> it's about 1% of the js ke i believe
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[13:48] <Laurenceb> oh
[13:48] <Laurenceb> thats lower than i thought
[13:50] <SpeedEvil> Someone broke the NOAA
[13:50] <Laurenceb> http://www.earth-syst-dynam.net/2/201/2011/esd-2-201-2011.pdf
[13:50] <SpeedEvil> http://www.hpc.ncep.noaa.gov/discussions/hpcdiscussions.php?disc=pmdhmd&version=0&fmt=reg
[13:50] <SpeedEvil> ...PLEASE NOTE THAT SIGNIFICANT LOSS OF SATELLITE INFORMATION
[13:50] <SpeedEvil> INGESTED INTO THE NUMERICAL MODELS CONTINUES WITH UNCERTAIN
[13:50] <SpeedEvil> IMPACTS. PLEASE REFERENCE SDM ADMIN...
[13:50] <Laurenceb> oops
[13:51] <Laurenceb> good news, jet stream energy extraction causes global cooling
[13:53] <lz1dev> ice age incoming
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[14:07] <Laurenceb> freaking firefox
[14:07] <Laurenceb> its got to the point where its killing my desktop twice a day now
[14:07] <Laurenceb> going to have to switch to chrome
[14:07] <Laurenceb> it kills Xorg
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[14:09] <SpeedEvil> Laurenceb: the UK gets a little warmer - the middle of the USA dries up and blows away
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[14:12] <Laurenceb> is it possible to backport a newer kernel?
[14:15] <Laurenceb> or is it a bad idea?
[14:20] <Laurenceb> looks like i need a backport to fix Xorg
[14:33] <craag> Laurenceb: ubuntu?
[14:33] <craag> I run a newer kernel for suspend fixes
[14:33] <craag> http://kernel.ubuntu.com/~kernel-ppa/mainline/
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[15:00] <SpacenearUS> New vehicle on the map: 03Ta1iso_chase - 12http://habhub.org/mt/?focus=Ta1iso_chase
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[15:23] <SpacenearUS> New vehicle on the map: 03RA4NHY - 12http://habhub.org/mt/?focus=RA4NHY
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[16:14] <arko> Laurenceb: :D
[16:14] <arko> really hoping it does
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[16:16] <Bob_Saget> Can someone suggest a good small antenna for my aprs igate? Gonna put it outside on my balcony
[16:16] <ulfr> just something simple with quarterwave and ground radials?
[16:16] <craag> balanced-feeder jpole?
[16:17] <craag> http://www.m0ukd.com/calculators/slim-jim-and-j-pole-calculator/
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[16:18] <Laurenceb> craag: ok, i dont know what im looking at
[16:18] <Laurenceb> but i need to fix this asap
[16:19] <Laurenceb> atm my desktop is unusable
[16:19] <Laurenceb> v2.6.35-rc1-lucid/ 01-Jun-2010 19:47
[16:19] <Laurenceb> [DIR] v2.6.32.63.26-lucid/ 26-Jun-2014 12:08
[16:19] <Laurenceb> ^which one is newest?
[16:19] <craag> well one is more stable
[16:20] <craag> I wouldn't go for an rc1
[16:20] <Laurenceb> hmm
[16:20] <Laurenceb> im not convinced this will solve my problem
[16:20] <craag> Updating to a newer version of ubuntu would give you a newer Xorg and kernel
[16:20] <Laurenceb> atm i have 2.6.32-32-generic
[16:21] <Laurenceb> yeah im saving that "fun" until later
[16:22] <Laurenceb> guess its easy to test
[16:22] <craag> Could try 2.6.33.5
[16:23] <craag> oh
[16:23] <craag> is that 12.04?
[16:23] <Laurenceb> older date
[16:23] <Laurenceb> this is the bug https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/611619
[16:23] <craag> There such be an option to use a newer 'Hardware Enablement' kernel
[16:23] <Laurenceb> dunno how to track where it was fixed
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[16:24] <Lunar_Lander> evening
[16:24] <craag> s/such/should/
[16:24] <Laurenceb> hmf
[16:24] <Laurenceb> apparently bug was still there in 11.04
[16:24] <Laurenceb> so annoying
[16:25] <craag> But tbh the bug could be in FF/Xorg/...
[16:25] <Laurenceb> i dont know whats changed recently but its now utterly unusable
[16:25] <Laurenceb> cant get more than a few minutes uptime
[16:25] <craag> Sounds like to time go -> 14.04
[16:25] <craag> erm
[16:25] <Laurenceb> then i need to deal with dodgy dependencies and stuff
[16:26] <craag> Sounds like time to go to 14.04
[16:26] <Laurenceb> hmm
[16:26] <Laurenceb> not sure whats the least pain
[16:26] <Laurenceb> maybe i will install vanilla debian
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[16:56] <SpacenearUS> New vehicle on the map: 03default_chase - 12http://habhub.org/mt/?focus=default_chase
[17:01] <lz1dev> ah
[17:01] <lz1dev> good ol' default_chase
[17:02] <adamgreig> they do get around
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[17:12] <ulfr> heh..
[17:13] <ulfr> Reminds me when we nearly sent up N0CALL for an 3 hour flight...
[17:13] <ulfr> D:
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[17:17] <Lunar_Lander> I recall that someone asked if the ublox 8 does have a different protocol this afternoon
[17:17] <Lunar_Lander> does it or is it the same as on 6 and 7?
[17:19] <adamgreig> same essentially
[17:19] <mattbrejza> GPGGA has been (by default) replaced with something else
[17:19] <adamgreig> has some extensions because of other gnss
[17:19] <adamgreig> yea
[17:19] <mattbrejza> as GPGGA is specifcally for gps only, rather than combined gps + glonass
[17:19] <mattbrejza> same format, different name?
[17:21] <Lunar_Lander> ah thanks
[17:21] <Lunar_Lander> also, I read something that might be interesting
[17:21] <Lunar_Lander> the Chinese are launching a test capsule to the moon and back and a ham transmitter from Luxembourg is onboard
[17:21] <Lunar_Lander> and there is a radio challenge
[17:22] <Lunar_Lander> http://moon.luxspace.lu/contest/
[17:24] <LeoBodnar> unauthorised PAVAs have been launched around
[17:24] <LeoBodnar> does UBLOX have a special Thursday night protocol?
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[17:30] <Upu> with multiGNSS on its GNGGA
[17:30] <ulfr> m..
[17:30] <ulfr> That sounds a bit odd, calendar-type protocol?
[17:30] <Upu> turn GPS GNSS on only
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[17:50] <mclane_> I read about guitar strings to be used as elements for an antenna - are they solderable?
[17:51] <ulfr> Some.
[17:52] <ulfr> I can't remember which though :(
[17:53] <ulfr> Ernie ball #14?
[17:54] Action: ulfr can't remember :(
[17:55] <fsphil> #13
[17:56] <fsphil> no idea about the others. they might work too
[17:56] <mclane_> ok thanks, I will try
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[17:59] <SpacenearUS> New vehicle on the map: 03EDUPIC5 - 12http://habhub.org/mt/?focus=EDUPIC5
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[18:09] <KT5TK> The SPV1040 datasheet leaves a lot of room for interpretation. What are the pros and cons for assembling the solar panels in series or in parallel. The datasheet only mentions 3 solar cells or more in the diagrams.
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[18:11] <arko> spv datashit is terrible
[18:11] <arko> sheet*
[18:11] <arko> hahaa
[18:11] <arko> totally unintentional
[18:11] <KT5TK> agreed
[18:12] <arko> i just invented a new word heh
[18:12] <arko> I've been using the LTC3105
[18:12] <arko> fantastic datasheet
[18:12] <arko> good operation
[18:12] <KT5TK> now you tell me...
[18:13] <KT5TK> ;)
[18:13] <arko> :P
[18:13] <arko> sorry, didnt know you were designing solar stuff
[18:14] <KT5TK> Regardless, what are the pros/cons for serial/parallel panels? Shouldn't matter which IC.
[18:16] <SpeedEvil> parallel panels not in exactly thesame insolationconditions will cause parasitic current to flow between them
[18:16] <KT5TK> I believe the boost inductor is a critical component and My thinking is that if I have higher voltage the current through the inductor will be less and I may have less loss.
[18:17] <KT5TK> Is that correct?
[18:17] <KT5TK> SpeedEvil: that too
[18:17] <arko> just remember, dont do parallel panels that face away from each other
[18:17] <SpeedEvil> higher input voltage?
[18:18] <arko> one could collapse and short the panel next to it
[18:18] <arko> if it goes in shade
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[18:18] <edmoore> KT5TK, yes, though you'll have to convert back down for your electronics
[18:18] <SpeedEvil> arko: It'snot that bad.
[18:18] <edmoore> and each conversion stage is lossy
[18:18] <edmoore> so consider it at a system power budget level rather than a solar conversaion level
[18:18] <SpeedEvil> arko: you lose about 30mV Vf (IIRC) from a shaded and a lit panel.
[18:18] <Laurenceb> sup
[18:19] Action: Laurenceb is about to find out if gopro will boot off a BBB
[18:20] <edmoore> http://www.cypress.com/?id=4&rID=83118
[18:20] <edmoore> i've used some of the cyrus high speed usb interface chips
[18:20] <edmoore> decent
[18:20] <edmoore> they have a good usb3 one
[18:21] <arko> edmoore: see the ftdi-pocaplse?
[18:21] <arko> pretty lulz
[18:21] <Laurenceb> and the answer is no :-(
[18:22] <edmoore> oh wrong channel
[18:22] <edmoore> out of context
[18:22] <edmoore> arko, of course
[18:23] <arko> hehehe
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[18:40] <pnephos> Hello. I have been trying the code provided for the NTX2B-FA radio modules (http://ukhas.org.uk/guides:linkingarduinotontx2?s[]=ntx2b) and I have found that it works perfectly until I start a serial communication (using SoftwareSerial) with my GPS device (an Ublox-NEO7M). Then the radio module starts transmitting garbage along with few meaningful words.
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[18:40] <Laurenceb> any beaglebone black users here?
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[18:42] <Lunar_Lander> hi pnephos
[18:42] <pnephos> I meant Arduino code. I am just modifying the example script by adding a softwareserial.begin(9600); in the setup function.
[18:42] <Lunar_Lander> people can help you better if you copy your code to http://paste.ubuntu.com/ and post it here
[18:42] <pnephos> Hi Lunar_Lander
[18:42] <Lunar_Lander> so maybe someone can see what is going wrong
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[18:43] <pnephos> Thanks. What syntax should I choose? I can't see Arduino syntax.
[18:44] <Lunar_Lander> C++ is good
[18:44] <Lunar_Lander> syntax doesn't really matter, that just marks different things in colour
[18:45] <pnephos> Ok. Here's the code: http://paste.ubuntu.com/8643962/ ;)
[18:47] <Lunar_Lander> ok I see you make a serial connection in setup but otherwise you don't use the GPS in the loop
[18:47] <Lunar_Lander> and still the test string doesn't work anymore
[18:48] <mfa298> pnephos: even better than using pastie would be learning to use git + github (source code control is really useful when you want to find when a bug was introduced later on)
[18:48] <pnephos> Yes, The line in the setup() is the one that makes the difference. If I remove this line, the script works fine. But if I keep it there, it just seems to send garbage.
[18:49] <mfa298> also SoftwareSerial is known to cause issues due to how it's implimented. you may find it better using hardware serial but that can conflict with how arduinos are programmed (so you might have to unplug the gps whilst programming)
[18:52] <pnephos> Let me show you the difference seen from dl-fldigi: http://imagizer.imageshack.us/a/img537/1135/mv7iDv.png (script without setup line) / http://imagizer.imageshack.us/a/img537/8397/BvB2DW.png (script with setup line)
[18:53] <mfa298> from what others have commented about how SoftwareSerial works that's pretty much what I'd expect.
[18:53] <mfa298> I think someone looked at it and it spends a lot of time sleeping in the interrupt routines
[18:53] <pnephos> Ok, I will try with HardwareSerial then.
[18:54] <mfa298> which will then muck up the timing for the rtty
[18:54] <fsphil> it abuses the interrupts quite badly
[18:55] Action: mfa298 wonders if software serial is listed on the common coding mistakes page (assuming there is a page for that)
[18:55] <fsphil> there is, and I don't think so
[18:55] <fsphil> !wiki common mistakes
[18:55] <SpacenearUS> 03fsphil: No results for your query
[18:55] <fsphil> !wiki common
[18:55] <SpacenearUS> 03fsphil: Wiki page 03common_coding_errors_payload_testing - 12http://ukhas.org.uk/guides:common_coding_errors_payload_testing
[18:56] <mfa298> no love from zeusbot tonight then
[19:03] <LeoBodnar> KT5TK: I have posted it before and I'll post it again http://www.pveducation.org/pvcdrom/modules/modules-structure
[19:04] <Lunar_Lander> what I wondered is something else
[19:05] <Lunar_Lander> if you drive the NTX2B with Upu's code, can you use other interrupts on the AVR? i.e. can you combine the PWM with the method of transmitting via interrupt so that the rest of the program takes data while transmitting?
[19:08] <fsphil> yes
[19:08] <Lunar_Lander> that is good
[19:11] <fsphil> pwm doesn't require an interrupt anyway
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[19:12] <mfa298> might need to check what happens if an interrupt is called when another one is still being services
[19:13] <fsphil> unless you enable interrupts again within the ISR, it won't run the other interrupt until the first one has finished
[19:15] <mfa298> which might mean interrupt driven rtty might not help with software serial
[19:15] <fsphil> yea the two don't mix for that very reason
[19:15] <fsphil> delay() rtty suffers because the delay timer is updated by interrupt
[19:16] <pnephos> I tried the same with an Arduino Mega 2560 and it also stopped working properly when the SoftwareSerial line was added. I will definitely use the HardwareSerial.
[19:17] <fsphil> it should be possible to do a cpu-friendly software serial
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[19:18] <fsphil> 9600 baud should be trivial for a 20mhz processor
[19:19] <peterbjornx> Upu: I'm transferring the money but i need to enter a city name, is it the one on your contact page?
[19:19] <Upu> BINGLEY
[19:19] <fsphil> that's a city?
[19:19] <Upu> not really
[19:19] <Upu> but it will do :)
[19:19] <peterbjornx> what do i need to put in the payment comments field?
[19:19] <Upu> order number helps
[19:20] <Upu> find it
[19:20] <mfa298> fsphil: or just get a better uC (even an avr with >1 uart)
[19:20] <Upu> 2215
[19:20] <fsphil> yep best solution
[19:23] <peterbjornx> Ok, i've submitted the request to transfer the money, bank says it may take up to four business days
[19:23] <Upu> no problems thants peterbjornx
[19:23] <Upu> thanks
[19:23] <Upu> I'll keep an eye out for it
[19:25] <KT5TK> LeoBodnar: Thanks, and sorry I haven't seen you posting this link earlier. However I'm not sure how the "Module Structure" from this link relates to parallel or serial connections of PV cells?
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[19:25] <Lunar_Lander> the chinese capsule is on it's way to the moon btw
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[19:26] <LeoBodnar> http://www.pveducation.org/pvcdrom/modules/mismatch-for-cells-connected-in-series
[19:26] <myself> KT5TK: Further down in the section, there are pages about series and parallel and bypass diodes and stuff
[19:26] <LeoBodnar> http://www.pveducation.org/pvcdrom/modules/mismatch-for-cells-connected-in-parallel
[19:26] <LeoBodnar> benefits are trivial, drawbacks are not so
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[19:29] <KT5TK> OK thanks. I'll do some more reading.
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[19:31] <KT5TK> LeoBodnar: If I remember correctly you use them in parallel, correct?
[19:31] <LeoBodnar> yes
[19:31] <LeoBodnar> mostly
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[19:47] <mattbrejza> for hab use is the general practice to ignore the fact that lipos dont like being trickle charged?
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[19:53] <KT5TK> mattbrejza: good question. It's probably more difficult to design a circuit & software to not tickle charge. So most of us will go with tickle charge because of simplicity.
[19:54] <SpeedEvil> Trickle charging isjust fine.
[19:54] <SpeedEvil> If you charge them to 4.1
[19:54] <mattbrejza> oh, so just dont charge to quite the full cell voltage?
[19:55] <LeoBodnar> define trickle charging [20:47] <mattbrejza> for hab use is the general practice to ignore the fact that lipos dont like being trickle charged?
[19:55] <mattbrejza> it was my understanding that when charging lipos you constant current, then constant voltage
[19:56] <mattbrejza> when the current gets near zero you stop charging
[19:56] <mattbrejza> then top up if the cell voltage drops
[19:56] <SpeedEvil> yes
[19:56] <LeoBodnar> so your cell ends up with say 4.15v voltage
[19:56] <LeoBodnar> open voltage
[19:56] <mattbrejza> and somehow continuously applying the max voltage from the charger is somehow bad?
[19:56] <SpeedEvil> But that's because that holding 4.2 activelycancause significant charge current over time - damaging the cell
[19:56] <LeoBodnar> now connect it to 4.15V PSU
[19:57] <LeoBodnar> is it being trickle-charged ?
[19:57] <mattbrejza> oh ok, just hold slightly less than max then
[19:57] <SpeedEvil> It's a damn shame more vendors don't support charging to under 4.2V
[19:58] <SpeedEvil> Limiting charge to 80% full makes thebatteries last forever
[19:58] <LeoBodnar> then if you have it in || with the load and charger picks up all the load current and maintains 4.15V is it being charged or not?
[19:58] <LeoBodnar> this is where it is necessary to make hand waving moves
[20:07] <myself> Seems to me that an adjustable shunt regulator is just the ticket.
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[20:22] <chrisstubbs> And there goes the first FTDI chip, I didnt even think I had windows updates enabled
[20:25] <murb> chrisstubbs: or not FTDI chip :)
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[20:26] <chrisstubbs> sad times
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[20:29] <Geoff-G8DHE> It is possible to undo it for a while it seems http://www.reddit.com/r/arduino/comments/2k0i7x/watch_that_windows_update_ftdi_drivers_are/clgviyl
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[20:31] <Lunar_Lander> hi chrisstubbs
[20:31] <Lunar_Lander> the luxembourgian transmitter is working in space :)
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[20:33] <mikestir> ftdi have been getting some serious stick for that stunt
[20:34] <daveake> Quite right too
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[20:37] Nick change: BrainDamage_ -> BrainDamage
[20:37] <chrisstubbs> looks like you cant download that inf file to mod anymore, just the exe
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[20:41] <Geoff-G8DHE> I've got the .inf file out of the VCP drivers no problem just open the .exe with winrar and out it comes
[20:43] <Geoff-G8DHE> Here you go http://360.g8dhe.net/HAB_Flights/ftdi_vcp_inf.JPG
[20:45] <Geoff-G8DHE> Oh and further down someone has signed a set of drivers to read PID of 0 https://onedrive.live.com/redir?resid=86EF72597602DD78!271164&authkey=!AIWwL-755E4FbwU&ithint=file%2czip
[20:46] <myself> So I'm realizing that I can buy the genuine FTDI chips from Mouser, buy the cheap boards from eBay, swap the chips with my rework equipment, and be fraud-free for $7/board, still less than half of what I'd pay for a domestic board. Hmmmmm.
[20:50] <mikestir> the patch sent to the linux kernel list to add the bricking feature was funny
[20:51] <mikestir> I think initially it was thought it came from an ftdi employee, but then it seems he was actually from TI
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[20:56] <LeoBodnar> I support FTDI. I enjoy this mess </troll>
[20:57] <arko> some men just want to watch the world brick
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[21:07] <mikestir> if only microsoft would support usb cdc properly we won't have this mess to begin with
[21:08] <nats`> we must admit that FTDI made the best hardware popcorn time of 2014
[21:09] <mikestir> there's that other corker that MS is dropping the nokia brand for phones
[21:09] <mikestir> seems a bit silly to me
[21:10] <nats`> yep I agree on that :D
[21:10] <nats`> nokia was a good quality reputation
[21:11] <fsphil> not at the end (pre-buyout)
[21:12] <mikestir> yeah, take a brand famous for indestructable phones and replace it with one famous for blue screens of death, red rings of death and windows 8
[21:12] <mikestir> and the office ribbon
[21:12] <fsphil> the last nokia phone I got was awful. shame as all the ones before it where great
[21:13] <mikestir> the last one I had was one of the last non-touch symbian ones. I quite liked it
[21:13] <mikestir> the later ones where they grafted touch into it was a massive fail
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[21:14] <LeoBodnar> if you are looking for a robust and simple Serial-USB solution: http://www.microchip.com/wwwproducts/devices.aspx?dDocName=en546923
[21:15] <LeoBodnar> </now go change you armor>
[21:15] <mikestir> I'm sure you must be on commission for microchip :)
[21:15] <LeoBodnar> tbh if AVR had the same i'd like to know about it
[21:16] <LeoBodnar> it's just a jelly-bean CDC solution
[21:17] <mikestir> silabs have got some as well
[21:17] <mikestir> they look quite nice actually - the series has SPI and I2S bridges as well
[21:18] <mikestir> the latter presumably coming up as a standard audio class device
[21:18] <nats`> silabs one is pretty good
[21:19] <edmoore> cypress has a nice pin-compat drop in
[21:19] <edmoore> cheap too
[21:19] <edmoore> and more io
[21:19] <edmoore> http://www.cypress.com/?id=4&rID=83118
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[21:21] <LeoBodnar> "Table 1. Key Similarities and Differences Between CY7C65213 and FT232R"
[21:21] <LeoBodnar> 1) it's not FTDI
[21:22] <LeoBodnar> they can remove the rest of the page and just put a big nice buy now button
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[21:22] <LeoBodnar> What happened to "second source" concept?
[21:23] <LeoBodnar> well second source is now managed by you-know-what-country
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[21:25] <fsphil> anyone ever find a fix for the "not enough bandwidth" usb error with the funcube dongle on linux?
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[21:39] <SpeedEvil> MOAR BANDWIDTH!
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[21:42] <mikestir> fsphil: I get a similar problem with my logic analyser on linux sometimes, but I think only ever if it's plugged into a hub
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[21:43] <mikestir> it's always ok if it has a motherboard port to itself
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[21:46] <fsphil> this doesn't seem to work any way
[21:46] <fsphil> if I plug it in and run arecord I can capture rf data
[21:46] <fsphil> but as soon as anything tries to retune it the whole just freezes
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[22:04] <Lunar_Lander> if I may ask
[22:04] <Lunar_Lander> what happened at FTDI?
[22:05] <Lunar_Lander> ah just read it
[22:05] <fsphil> they dropped the F bomb
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[22:10] <Lunar_Lander> yea
[22:10] <edmoore> they got vidictive
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[22:18] <Laurenceb__> any kernel gurus here?
[22:19] <Laurenceb__> https://github.com/beagleboard/linux <- where do the usb drivers live?
[22:21] <Lunar_Lander> good night
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[22:21] <LeoBodnar> lol FTDI veni vidi vicied
[22:23] <Laurenceb__> more reliable than beaglebone
[22:24] <Laurenceb__> thats pre bricked
[22:26] <Laurenceb__> linux is so complex i cant even find the right file, let along fix it
[22:26] <mikestir> what are you looking for?
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[22:26] <Laurenceb__> usb drivers
[22:26] <mikestir> drivers/usb
[22:27] <mikestir> the actual usb port driver or a peripheral?
[22:27] <Laurenceb__> the port
[22:27] <Laurenceb__> thanks
[22:27] <mikestir> that might be in the board support layer - beagleboard is omap of some description right?
[22:28] <Laurenceb__> not the beaglebone no
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[22:28] <mikestir> oh. sitara?
[22:28] <Laurenceb__> AM335
[22:28] <Laurenceb__> yeah
[22:29] <Laurenceb__> http://www.ti.com/product/am3358
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[22:30] <Laurenceb__> it seems to be suffering from overagressive power saving or.. something
[22:31] <Laurenceb__> hmm
[22:31] <Laurenceb__> i think this is beyond by expertise
[22:32] <Laurenceb__> *my
[22:32] <mikestir> is it using one of the standard xHCI drivers?
[22:33] <Laurenceb__> i havent a clue
[22:33] <Laurenceb__> im trying to connect a gopro to a BBB
[22:33] <mikestir> just trying to remember how you figure that out - it's several years since I last did any kernel work
[22:33] <Laurenceb__> so far I know of two problems:
[22:33] <mikestir> lsmod might be a good place to start (or dmesg)
[22:34] <Laurenceb__> 1) the 5v supply is only turned on if something is detected when the BBB is booted
[22:34] <Laurenceb__> 2) the gopro needs the mode button pressing to enumerate as mass storage, but as the BBB boots, if nothing enumerates on the usb, the phy is powered down
[22:34] <Laurenceb__> so atm its completely unusable
[22:35] <mikestir> you might be able to influence that by poking about in /sys/bus/usb/drivers/usb/*/power
[22:35] <Laurenceb__> yeah already tried that
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[22:36] <Laurenceb__> looks like i could turn on the power
[22:36] <Laurenceb__> i should have made better notes...
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[22:36] <SpeedEvil> I assume holding the mode button doesn't work?
[22:36] <Laurenceb__> but probably due to the unusual gopro behaviour, it wouldnt mount
[22:36] <Laurenceb__> no
[22:37] <Laurenceb__> it just boots to camera+ charging mode
[22:37] <Laurenceb__> as it isnt able to enumerate on the usb
[22:37] <Laurenceb__> apparently its related to suspend
[22:38] <Laurenceb__> recompiling with usb suspend disabled fixes it according to some forum posters
[22:38] <Laurenceb__> tomorrow ill try it with a hub host inbetween
[22:38] <Laurenceb__> *usb hub
[22:39] <mikestir> does cat /proc/cpuinfo give you a board name?
[22:39] <Laurenceb__> dunno, board is at work :P
[22:39] <Laurenceb__> https://github.com/beagleboard/linux/blob/a5f41fe5ebb4704f616bc36cf84c515305ff6f8d/drivers/usb/musb/am35x.c
[22:39] <Laurenceb__> line 566 looks suspicious
[22:39] <db_g6gzh_> not sure if it's at all related to what you're trying but I had USB issues with FunCube dongle prior to kernel 3.8.13-bone66
[22:40] <Laurenceb__> /* Shutdown the on-chip PHY and its PLL. */
[22:40] <Laurenceb__> interesting
[22:40] <Laurenceb__> mine is older than that iirc
[22:40] <Laurenceb__> what sort of issues?
[22:41] <Laurenceb__> a broken pll would explain my symptoms
[22:41] <db_g6gzh_> couldn't hot plug and it only detected occasionally if present at boot
[22:41] <Laurenceb__> oh
[22:41] <Laurenceb__> thats a very close match to what i see :D
[22:41] <Laurenceb__> how old in bone66 kernel?
[22:41] <Laurenceb__> *is
[22:42] <db_g6gzh_> there are some handy scripts for upgrading the kernel
[22:42] <Laurenceb__> my kernel is from a few months ago
[22:42] <Laurenceb__> yeah ill upgrade tomorrow
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[22:42] <Laurenceb__> i have 3.8.13-bone34 or something
[22:43] <Laurenceb__> https://github.com/RobertCNelson/bb-kernel/releases
[22:43] <Laurenceb__> oh wow
[22:44] <Laurenceb__> this is very regular, i had better try upgrading
[22:44] <db_g6gzh_> just checked one of the new ones I have and it only has 3.8.13-bone47
[22:44] <Laurenceb__> yeah i upgrade to bone54 i suspect
[22:44] <Laurenceb__> *upgraded
[22:46] <edmoore> it's all too confusing, all these moving targets
[22:46] <edmoore> everything should just be done in assembly
[22:46] <edmoore> with new chips released once every 6 years
[22:46] <Laurenceb__> yeah
[22:46] <SpeedEvil> I disagree strongly.
[22:46] <SpeedEvil> 12 years
[22:47] <Laurenceb__> maybe faster to port mpeg libs to stm32
[22:47] <db_g6gzh_> I use https://github.com/RobertCNelson/boot-scripts.git to upgrade
[22:47] <Laurenceb__> ok, thanks
[22:49] <Laurenceb__> ill check the "blame" view in github
[22:52] <Laurenceb__> hmm, found this
[22:52] <Laurenceb__> https://github.com/beagleboard/linux/commit/02f1163cadd33f6b4e3e6e8a78bb487e80ac1f4b
[22:54] <Laurenceb__> guess ill just try latest and see :P
[22:55] <mikestir> that musb might not be the right one - seems there is also an ehci controller
[22:55] <mikestir> and that has: usbhs_add_regulator - Add a gpio based fixed voltage regulator device
[22:55] <mikestir> however it's not clear how that gets controlled by the host driver
[22:57] <Laurenceb__> yeah there seem to be two bugs tho
[22:57] <Laurenceb__> PHY shutdown and power shutdown
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[22:58] <mikestir> is it actually deconfiguring the phy or is it just turning off the power when it shouldn't be?
[22:59] <Laurenceb__> well ive managed to force the power back on, and it still woudnt enumerate
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[23:08] <Laurenceb__> oh they fixed the rtc
[23:08] <Laurenceb__> https://github.com/beagleboard/linux/commit/ac7bf56975fcce04fd40e43a6255818ed944f342
[23:08] <Laurenceb__> wow someone did something useful
[23:16] <SpeedEvil> :)
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[23:20] <Laurenceb__> but they could recompile the cryto libs for the billionth time
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[23:55] <Laurenceb__> https://github.com/beagleboard/linux/commit/d70593c4dc3484e58b27e90a673fec8db7c75c19
[23:57] <Laurenceb__> oh thats mainline
[00:00] --- Fri Oct 24 2014