highaltitude.log.20160616

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[00:21] <SpacenearUS> New position from 03WO9N-7 after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=WO9N-7
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[04:57] <SpacenearUS> New vehicle on the map: 03CAEN_chase - 12http://tracker.habhub.org/#!qm=All&q=CAEN_chase
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[06:00] <PE2BZ> !flights
[06:00] <SpacenearUS> 03PE2BZ: Current flights: 03FLOAT - 2 10(18be), 03UBSEDS15 434.600 CONTESTIA 16/1000 10(d812)
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[07:21] <SpacenearUS> New position from 03UBSEDS15 after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=UBSEDS15
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[07:32] <SA6BSS-Mike|2> noaa is down, predict habhub run on the F-2 http://predict.habhub.org/#!/uuid=c6701c631648b4083ebb3071940e4090d8cc0d80
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[07:44] <Vaizki> SA6BSS-Mike|2, ha! for once a perfect flyby for me :O
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[08:50] <SpacenearUS> New vehicle on the map: 03CALLSIGN123_chase - 12http://tracker.habhub.org/#!qm=All&q=CALLSIGN123_chase
[08:52] <SpacenearUS> New vehicle on the map: 03SWL024_chase - 12http://tracker.habhub.org/#!qm=All&q=SWL024_chase
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[09:29] <Geoff-G8DHE-M> Is F-2 going for the slowest, least distance launch to landing record I wonder!
[09:30] <Geoff-G8DHE-M> Anybody about to create a hysplit for it ?
[09:35] Nick change: craag_ -> craag
[09:39] <Vaizki> heh UBSEDS15 does another flyby of the coast then..
[09:46] <Geoff-G8DHE> The predictions really don't seem very good at present! Its diverging quite a bit in the last 20 minutes! http://predict.habhub.org/#!/uuid=114b241f604c18d8f2b3fff60ea7bd3f926eac27
[09:56] <SpacenearUS> New vehicle on the map: 03SP5YAM-rs41 - 12http://tracker.habhub.org/#!qm=All&q=SP5YAM-rs41
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[10:48] <SpacenearUS> New position from 03K6RPT-12 after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=K6RPT-12
[10:48] <fsphil> nice, quebec already
[10:49] <fsphil> !hysplit K6RPT-12
[10:49] <SpacenearUS> 03fsphil: HYSPLIT for 03K6RPT-12 - 12http://spacenear.us/tracker/hysplit_cache/160615-22_165009_K6RPT12.gif
[10:56] Nick change: ms7821_ -> ms7821
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[11:04] <samme> hello
[11:05] <samme> can some guide me regarding RTTY? Thanks
[11:05] <samme> someone*
[11:06] <samme> getting stuck at DL-FLDIGI decoding the RTTY.
[11:07] <Vaizki> hi there.. give us a screenshot of dl-fldigi and the sdr software please..
[11:08] <Vaizki> that is your fastest way to help
[11:08] <Vaizki> umm fastest way to get help :)
[11:08] <Geoff-G8DHE-M> What is actually happening, and yes screen shots of the all the software helps a lot
[11:09] <samme> how can I attach the screenshot here? sorry, I am new
[11:10] <Geoff-G8DHE> paste the image saved to imgur.com
[11:10] <Geoff-G8DHE> http://imgur.com/
[11:10] <Vaizki> best is to upload it to imgur for example. a very easy way to do it in windows is to install a program called ShareX
[11:10] <Geoff-G8DHE> then post the link here
[11:14] <samme> http://i.imgur.com/IW8BJRa.png http://i.imgur.com/gVzZfes.png
[11:14] <samme> not able to Route the audio properly into DL-FLDIGI, I guess
[11:15] <Geoff-G8DHE> There is no signal getting to dl-fldigi so we need to see where the signal is coming from
[11:15] <Geoff-G8DHE> post the entire screen with the SDR software display as well
[11:16] <Geoff-G8DHE> also what is the signal your trying to receive ?
[11:16] <Vaizki> samme, your Bandwidth is way too low in SD#
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[11:16] <Vaizki> increase it to maybe 5000 to start
[11:16] <samme> I recorded a wav file on SDR and then on DL-FLDIGI I played back
[11:16] <samme> but no output
[11:17] <samme> how much should I increase the bandwidth to?
[11:17] <Geoff-G8DHE> what sort of WAV file from what software ?
[11:17] <Vaizki> you should tune to something like 434.055 and have bandwidth to cover the whole 2 peaks of the signal
[11:18] <Vaizki> the USB mode means you are grabbing the tuned frequency + bandwidth and demodulating that into audio
[11:19] <Vaizki> (a very much simplified explanation)
[11:20] <samme> will try to do what you told
[11:20] <samme> will get back to you.. THanks :)
[11:21] <Geoff-G8DHE> you need an image like this one http://imgur.com/yCwUYvF showing the SDR software and dl-fldigi
[11:21] <samme> just one doubt, do I need to record an audio file from SDR and playback
[11:22] <samme> on dl-fldigi? or any other method?
[11:22] <fsphil> that would get boring very quickly
[11:22] <Geoff-G8DHE> no feed direct from SDR software to dl-fldigi
[11:22] <Geoff-G8DHE> route the audio from the SDR software to dl-fldigi
[11:23] <Vaizki> I use a program called VoiceMeeter to create a virtual audio output and input.. sdr# plays to virtual output and dl-fldigi listens on virtual input
[11:23] <samme> so on dl-fldigi-audio-(out of the three options) which should I select?
[11:24] <Vaizki> you need VB-Cable or VoiceMeeter or something first
[11:24] <Geoff-G8DHE> No in dl-fldigi select Config|Sondcard| then the source from SDR
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[11:25] <Geoff-G8DHE> likw this http://imgur.com/QG0pOFX
[11:25] <samme> got up!
[11:26] <samme> got it* will start working on it. Thanks alot guys :) :D
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[11:26] <Geoff-G8DHE> are you using SDR# or waht SDR software ?
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[11:26] <samme> sdr#
[11:26] <samme> would that make a difference?
[11:27] <Geoff-G8DHE> right OK, no difference but helps to know when you get to the next problem ;-)
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[11:27] <samme> hahaha alright
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[11:46] <SpacenearUS> New position from 03VE2WMG-10 after 0321 hours silence - 12http://tracker.habhub.org/#!qm=All&q=VE2WMG-10
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[12:25] <SpacenearUS> New vehicle on the map: 03QM-SkyPi-1 - 12http://tracker.habhub.org/#!qm=All&q=QM-SkyPi-1
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[12:37] <SpacenearUS> New vehicle on the map: 03HB9PD - 12http://tracker.habhub.org/#!qm=All&q=HB9PD
[12:37] <WillDWork> http://www.theregister.co.uk/2016/06/16/lester_haines_obituary/
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[12:43] <fsphil> yikes
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[12:51] <fsphil> pi-zero est arrivé. it's bigger than I expected
[12:51] <Geoff-G8DHE> what are the dimensions ? I guess the same length as the other PI's to accomodate the connector ?
[12:52] <fsphil> yeah, 65x30
[12:52] <SpacenearUS> New vehicle on the map: 03QM-SkyPi-2 - 12http://tracker.habhub.org/#!qm=All&q=QM-SkyPi-2
[12:53] <SpacenearUS> New vehicle on the map: 03M0HMO_chase - 12http://tracker.habhub.org/#!qm=All&q=M0HMO_chase
[12:53] <Geoff-G8DHE> ah so about half width and 2/3 length
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[12:54] <fsphil> same length as A+
[12:56] <michal_f> still it's nice. I got mine yesterday, with new camera :)
[12:56] <craag> still waiting for mine from pihut :/
[12:56] <fsphil> this was from pihut. think they've lost yours
[12:57] <craag> yeah, they want 15 working days before they'll do anything about it though. If it's not here today I will have to buy another to have one in time :(
[12:57] <AndyEsser> :(
[13:01] <Geoff-G8DHE> Mumm intersting anybody else looking at the telem from F-2 ? Is he missing the $$ at the beginning I'm only seeing $ after the first block of telem ?
[13:01] <Geoff-G8DHE> Like this;
[13:02] <Geoff-G8DHE> $$$$F-2,000,12:59:42,+5141.4328,+00042.5154,07822,+00.0*55
[13:02] <Geoff-G8DHE> $F-2,001,13:00:13,+5141.3975,+00042.5671,07829,+00.0*53
[13:02] <Geoff-G8DHE> $F-2,002,13:00:28,+5141.3804,+00042.5918,07836,+00.4*55
[13:02] <Geoff-G8DHE> $F-2,003,13:00:43,+5141.3632,+00042.6145,07839,+00.2*58
[13:02] <AndyEsser> saving power by using fewer characters :P
[13:02] <Geoff-G8DHE> noticed it for several cycles now ??
[13:02] <Geoff-G8DHE> yup but the block isn't recongnised so only the first counts
[13:03] <fsphil> heh, oops
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[13:03] <fsphil> is it pausing between the lines?
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[13:03] <fsphil> it could be dl-fldigi not syncing quickly enough
[13:04] <Geoff-G8DHE> tend to agree but its a very strong signal now with me 20-30dB snr
[13:04] <Geoff-G8DHE> and always get the first block of 4 weird
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[13:05] <fsphil> if it starting from 0 each time?
[13:05] <fsphil> is*
[13:05] <Geoff-G8DHE> yes each block of starts from 000
[13:05] <Geoff-G8DHE> I think he has modified old code as its only a two byte CRC as well
[13:06] <Geoff-G8DHE> I am running sql so ight turn it off for the next cycle leaving it open causes the AFC to wander around :-(
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[13:23] <fsphil> you can slow the AFC rate
[13:23] <fsphil> might help
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[13:23] <fsphil> is the carrier staying on the stop state between lines?
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[13:24] <Geoff-G8DHE> Um taking the sql off appeared to help but also noticed that when it comes on there is a massive amount of noise on the low frequency side
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[13:25] <Geoff-G8DHE> See here the noise wasn't present earlier as you can see from the other shots http://360.g8dhe.net/HAB_Flights/2016_Flights/FLOAT-2_20160615/index.php?ind=9
[13:25] <Geoff-G8DHE> but previous was a lot less
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[13:28] <fsphil> that's rather odd
[13:28] <Geoff-G8DHE> seems to be increasing over time, doesn't appear to have anything close by to mix with either
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[13:29] <gonzo_> http://www.bdballoonchallenge.org/
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[13:30] <Geoff-G8DHE> also its only there when shifting its not present during carrier only
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[13:30] <gonzo_> school outreach project (with prizes) for schools in the south central area
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[13:33] <Geoff-G8DHE> They haven't got any FAQ's yet maybe we should point them at Dave's how to fail page ;-)
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[13:40] <SpacenearUS> New vehicle on the map: 03NW1X-11 - 12http://tracker.habhub.org/#!qm=All&q=NW1X-11
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[13:41] Nick change: x-f_ -> x-f
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[13:45] <g8fjg_Ron> Geoff-G8DHE ; that LF noise looks like an unmodulated carrier to me , it's been there from the start..just wastes power...I've seen similar on other flights
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[13:47] <Geoff-G8DHE> Its a very brroad carrier filled with modulation noise look atthe gaps between frames it disappears
[13:48] <g8fjg_Ron> I'll try a screen shot next time , if I'm in the shack
[13:49] <Geoff-G8DHE> would be nice to compare, always a little unsure on these sorts of things until someone else can confirm!
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[13:52] <fsphil> wonder what radio he's using
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[13:55] <Geoff-G8DHE> might be affecte by supply voltage perhaps, it was said to have power for 48 hours
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[14:02] <Geoff-G8DHE> Humm pretty certain thats real and not an artefact grabs at different bandwidth settings next time I'll do w/f speed settings http://360.g8dhe.net/HAB_Flights/2016_Flights/FLOAT-2_20160615/index.php?ind=10
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[14:04] <g8fjg_Ron> there you go , not an artifact http://i.imgur.com/X7jnUyt.jpg
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[14:05] <Geoff-G8DHE> yup nasty sprog!
[14:06] <Geoff-G8DHE> and growing stronger!
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[14:06] <g8fjg_Ron> sometimes see them as invert (lsb)
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[14:12] <Andrew_M0NRD> bit late.. internet problems but seeing the same suprious artifact https://www.dropbox.com/s/rtbqsf0nn8x7zbh/Screenshot%202016-06-16%2015.01.00.png?dl=0
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[14:29] <SpacenearUS> New position from 03Sky1LoRa after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=Sky1LoRa
[14:29] <SpacenearUS> New position from 03Sky2LoRa after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[14:30] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[14:38] Last message repeated 4 time(s).
[14:38] <SpacenearUS> New vehicle on the map: 03KD9EPE-5 - 12http://tracker.habhub.org/#!qm=All&q=KD9EPE-5
[14:38] <fsphil> that's a lora lora
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[14:45] <edmoore> that's the power of the imperial forces
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[14:59] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[15:02] Last message repeated 1 time(s).
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[15:03] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
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[15:03] <fsphil> hmm
[15:09] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[15:10] <michal_f> can someone explain thing with 0's and $'s in UKHAS tele string? How many of them do I need actually ?
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[15:10] <fsphil> at lesat two $$'s at the start
[15:10] <fsphil> not sure what you mean by 0's
[15:11] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[15:11] <michal_f> i think I've seen strings like : 00$$callsing....
[15:11] <fsphil> nah, just $$callsign,blahblah*CRC
[15:11] <michal_f> ok... ty
[15:12] <fsphil> it often helps to have some null bytes before the $$
[15:12] <fsphil> that might be what you've seen
[15:12] <fsphil> so not literal ascii zeros '0', but a byte 0x00
[15:12] <michal_f> backslash0 ?
[15:12] <fsphil> or '\0'
[15:12] <fsphil> yeah
[15:13] <michal_f> why would I need those ?
[15:13] <fsphil> it's the easiest character for fldigi to sync to
[15:13] <michal_f> ok, understood
[15:13] <fsphil> if you just start with $$ it might miss the first character as it was busy decoding noise before that
[15:14] <fsphil> *first few characters
[15:14] <fsphil> with \0 it can't mistake where the start byte is as there's no 1 bits in the character itself
[15:15] <fsphil> sorry, stop bit
[15:15] <fsphil> stop bit is 1, start bit is 0
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[15:16] <michal_f> that explains all,. ty again
[15:16] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
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[15:18] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[15:20] Last message repeated 1 time(s).
[15:20] <fez22> Hello Just popped up Whats the dial frequency of F-2 ?
[15:20] <fsphil> !dial F-2
[15:20] <SpacenearUS> 03fsphil: Latest dials for 03F-2 10(18be): 03434.0696 MHz, 434.069304 MHz, 434.069208 MHz, 434.06824 MHz, 0.006 MHz, 434.0689 MHz, 434.07 MHz, 434.069306 MHz, 434.06935 MHz, 434.069327 MHz
[15:20] <fsphil> 434.069 :)
[15:21] <fez22> Ta I'll have alook,,
[15:21] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[15:21] <Geoff-G8DHE-M> only transmits 3 times an hour 00/20/40
[15:21] <fsphil> yeah quite infrequent
[15:22] <Geoff-G8DHE-M> you've just missed
[15:23] <Geoff-G8DHE-M> seeing where you are a crystal set will be sufficent ;-)
[15:24] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[15:28] Last message repeated 2 time(s).
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[15:28] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
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[15:30] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[15:30] <arko_work> heh, freenode's web chat hasn't changed much
[15:31] <edmoore> yo arko
[15:31] <arko_work> yo yoyo
[15:32] <fsphil> arkyo
[15:32] <AndyEsser> yarko
[15:32] <arko_work> YARRR
[15:33] <arko_work> looking through the swift-nav source code this morning
[15:33] <arko_work> man, this project is massive
[15:35] <edmoore> if only their founder and CTO was in this channel right now
[15:36] <arko_work> oh snap
[15:36] <arko_work> is henry in here?
[15:36] <adamgreig> close..
[15:36] Action: arko_work doesn't know the history of swift-nav very well
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[15:40] <SQ5NWI> Good afternoon. Please approve 21fc67ee7a6c800d2b15ef3515821ca3 - ready to fly and tested.
[15:41] <adamgreig> done
[15:41] <adamgreig> usually you should ask in #habhub
[15:41] <SQ5NWI> Sorry. I missed the link. :-) Thank you.
[15:41] <arko_work> mattbrejza: the emfcamp badges looks amazing btw, saw the email showing them off the other day
[15:43] <mattbrejza> thanks arko_work , they just need programming now...
[15:44] <arko_work> heh, i should load my laptop with the appropriate toolchains before flying over there
[15:44] <arko_work> which reminds me.. i need to book my flights
[15:44] <edmoore> flook your bights
[15:44] <mattbrejza> itll run python, so in theory you just need a text editor
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[15:46] <arko_work> :D
[15:49] <arko_work> i guess there's no need to build emfcamp/micropython really
[15:49] <arko_work> unless i add hardware i suppose
[15:49] <edmoore> what does the badge do?
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[15:49] <mattbrejza> well micropython has driver support, so even then you shouldnt need to
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[15:50] <arko_work> \o/ woooo
[15:50] <adamgreig> arko_work: if you want to add an rfm69 i might have you covered ;)
[15:50] <arko_work> haha, excellent
[15:50] <mattbrejza> edmoore: not much yet, but it has wifi and a colour lcd so potentially many things
[15:50] <arko_work> i bought a bunch of those things too
[15:50] <mattbrejza> (there are a few ideas, but keeping quiet for now)
[15:51] <edmoore> an ip address to colour converter
[15:51] <mattbrejza> to build microypthon you just need the arm toolchain
[15:51] <edmoore> seems like the obvious application
[15:51] <Vaizki> or wifi signal level meter
[15:51] <Vaizki> for all the electro-sensitives at EMF.. :)
[15:52] <mattbrejza> im not sure emfcamp is the place to go if you 'have' electrosensitivies...
[15:52] <arko_work> ipython on the badge :P
[15:53] <mattbrejza> so there is a repl shell over usb
[15:53] <mattbrejza> i wonder if you could hook that to ipython notebook
[15:54] <Vaizki> over mqtt maybe
[15:56] <arko_work> mattbrejza: i was thinking about grabbing one of these: https://www.adafruit.com/products/2390
[15:56] <arko_work> sadly no STM32L486VGT6 flavor :(
[15:56] <mattbrejza> no need to get the exact same stm32
[15:57] <SpacenearUS> New position from 03WO9N-7 after 0314 hours silence - 12http://tracker.habhub.org/#!qm=All&q=WO9N-7
[15:57] <mattbrejza> the alternative is to get a stm32f4/l4 discovery board
[15:58] <arko_work> heh, figured it would be nice to have the same hw, but yeah, not necessary
[15:58] <Laurenceb__> python on embedded..whyyy
[15:59] <arko_work> because it's fun
[15:59] <mattbrejza> because its a hacker conference badge (or did you mean in general?)
[15:59] <edmoore> like football hooliganism
[15:59] <edmoore> bad for you and bad for those around you
[15:59] <edmoore> but fun
[15:59] <arko_work> haha
[16:02] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
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[16:10] <arko_work> just ordered a pyboard to mess around a bit
[16:13] <russss> I'll have a chibios board definition for it once I've received my development board :P
[16:14] <arko_work> mattbrejza: emfcamp badge 2018 - RUST!
[16:14] <arko_work> :P
[16:14] <russss> lol
[16:15] <arko_work> im willing to bet a nickle that this discussion came up when designing the badges
[16:15] <russss> but seriously, toolchains are a pain, so micropython is a really good way of getting people into microcontroller programming
[16:15] <russss> ideally the only toolchain you need is a web browser
[16:15] <arko_work> i've learned to not get religious about programming languages
[16:17] <edmoore> yeah but javascript
[16:17] <arko_work> im all for toolchains that don't take hours to setup
[16:18] <arko_work> edmoore: haha i was just thinking that. javascript is shit
[16:18] <arko_work> i should watch my language here
[16:18] <edmoore> yeah, try not to say 'javascript' too much please
[16:18] <russss> heh
[16:18] <arko_work> lol
[16:19] <edmoore> arko_work: i got a poker 3 keyboard today
[16:19] <edmoore> cherry brown which is more friendly to my colleague than the cherry blue keyboard i'm typing this on
[16:19] <arko_work> :O
[16:20] <arko_work> how do you like it?
[16:20] <edmoore> sorry i meant i ordered it
[16:20] <edmoore> arriving 2moz
[16:20] <arko_work> i really want to do a retro mech keyboard
[16:20] <arko_work> oooo
[16:21] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
[16:22] <arko_work> https://s-media-cache-ak0.pinimg.com/736x/c8/89/12/c88912b38b663b86b344ca7db7041bf9.jpg
[16:22] <arko_work> something like this would be nice to custom make
[16:22] <arko_work> but then i'd have to join /r/mechanicalkeyboards
[16:23] <arko_work> and im not sure i'm ready for that kinda of a commitment
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[16:24] <edmoore> mine looks similar to that
[16:24] <arko_work> did you customize the keys?
[16:24] <arko_work> jw
[16:24] <edmoore> it's coming with some custom ones
[16:24] <arko_work> :)
[16:24] <adamgreig> which custom ones are you getting?
[16:24] <adamgreig> arko_work: yea that looks really nice
[16:24] <edmoore> i might limit it to just a red escape key tho
[16:24] <adamgreig> i'm a big fan of the large print letters in the keys
[16:25] <adamgreig> instead of small print on the top left
[16:25] <adamgreig> but until I can figure out how to print my own keycaps, blank keys for me https://www.flickr.com/photos/randomskk/albums/72157668110399950
[16:25] <edmoore> that's v close to what's coming https://i.imgur.com/S3N6i0L.jpg
[16:25] <arko_work> oo thats pretty adamgreig
[16:25] <arko_work> edmoore: nice!
[16:25] <adamgreig> looks great edmoore
[16:25] <adamgreig> you went for ANSI instead of ISO layout?
[16:25] <edmoore> it's got a white base tho
[16:26] <arko_work> love the color palette oin that
[16:26] <adamgreig> or you're getting it in ISO?
[16:26] <edmoore> yeah with the # above 3
[16:26] <adamgreig> and the single-row enter key
[16:26] <adamgreig> and long left shift
[16:26] <edmoore> it's the same as my macbook at least so i won't have to mentally switch like i do now
[16:26] <arko_work> heh
[16:26] <adamgreig> isn't macbook the apple-uk layout with iso enter and shift?
[16:27] <edmoore> you're right
[16:28] <edmoore> but this is closer at least to my macbook :)
[16:29] <adamgreig> fe :P
[16:29] <adamgreig> I now really love the single row enter, but only when paired with a backspace immediately above it
[16:29] <arko_work> american keyboard ftw
[16:29] <adamgreig> having backslash between enter and backspace seems crazy
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[16:40] <Vaizki> welcome to Finland where we have \ | [ ] { } behind AltGr or Alt-Shift something magic..
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[16:58] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
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[17:01] <Vaizki> oh noes...
[17:09] Nick change: stilldavid_ -> stilldavid
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[17:21] Nick change: michal_f -> michal_f_wrk
[17:25] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
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[17:28] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
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[17:32] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
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[17:35] <SpacenearUS> New vehicle on the map: 03Sky2LoRa - 12http://tracker.habhub.org/#!qm=All&q=Sky2LoRa
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[17:46] <samme> http://i.imgur.com/UpbMYh1.png http://i.imgur.com/Pe4EmsP.png http://i.imgur.com/kfT3M3I.png
[17:46] <samme> hey guys...still need help :/
[17:47] <samme> have increased the bandwidth, used a virtual input
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[17:51] <PE2BZ> samme what is transmitting rtty on 434.059 ?
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[17:53] <samme> I have copied the code from the UKHAS website Part 2 (RTTY) transmission of data
[17:54] <PE2BZ> The signal on you SDR# is about 11 kHz wide. The RTTY signal which is expected in FLDIGI has a shift of 425 Hz if I take your settings from the screendump.
[17:55] <PE2BZ> Could the transmission be RTTY in FM instead of USB ?
[17:55] <PE2BZ> ./build
[17:55] <PE2BZ> sorry wrong window
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[17:57] <samme> changed it to RTTY instead of USB on dl-fldigi but still receiving 4 yellow bars
[17:57] <samme> not familiar yet :/
[17:58] <PE2BZ> Don´t worry...
[17:59] <PE2BZ> I assume you do receive the signal live witl a RTL-SDR . Am I right ?
[17:59] <samme> yea
[18:00] <samme> was able to do the first part of the page
[18:00] <samme> https://ukhas.org.uk/guides:linkingarduinotontx2
[18:00] <samme> xD
[18:00] <PE2BZ> Where is the RTTY transmitter you are listening to ?
[18:01] <samme> on dl-fldigi
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[18:01] <samme> to decode the data string
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[18:02] <PE2BZ> So, you have a NTX setup and TX ing RTTY on this 434.059 . How close is it to the RTL-SDR ?
[18:02] <samme> very close
[18:02] <AndyEsser> Do you have antennas on both?
[18:03] <PE2BZ> When you disconnect the antenna from the dongle, does that give a clearer signal ?
[18:03] <samme> amplitude reduces
[18:03] <samme> on both? I just have one antenna @AndyEsser
[18:04] <PE2BZ> One antenna connected to NTX AND RTL-SDR ?
[18:05] <samme> my arduino circuit looks pretty much like this (https://ukhas.org.uk/_detail/guides:ntx2b-2.jpg?id=guides%3Alinkingarduinotontx2)
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[18:06] <samme> while the only antenna I have is on my SDR
[18:06] <samme> SDR & DVB-T stick
[18:06] <AndyEsser> put them about a meter apart as well
[18:07] <AndyEsser> if they're right next to each other you won't get a clear signal
[18:07] <PE2BZ> OK. so no antenna connected to the NTX. What is the power supply for the Arduino and NTX ?
[18:07] <samme> @andyesser initially I had it kept away from each other
[18:08] <samme> @PE2BZ arduino powered by usb
[18:08] <samme> while 5V to the NTX
[18:09] <PE2BZ> 5V from which source ?
[18:09] <samme> from arduino
[18:11] <PE2BZ> So, the 5V also comes from the USB which powers the Arduino. Do you have a multimeter to check the voltage ?
[18:11] <samme> unfortunately, no
[18:11] <samme> do you think its something to do with the power?
[18:13] <PE2BZ> Well, I don´t expect you to receive a signal more as 10 times as wide as the modulation you try to transmit. Like andyesser said it could be to close distance, but if there is no antenna to the NTX and no antenna to the RTL and the signal stays still very wide it has to be something else.
[18:13] <SpacenearUS> New position from 03SP5YAM-rs41 after 038 hours silence - 12http://tracker.habhub.org/#!qm=All&q=SP5YAM-rs41
[18:13] <AndyEsser> Yea, the 11kHz shift is insane...
[18:14] <PE2BZ> Where do you take the +5 volt from ? Is that one of the wires to the header on the Arduino ?
[18:14] <PE2BZ> And the ground of the arduino is 100% shure connected to the ground of the NTX module ?
[18:15] <samme> 5V from arduino and ground from arduino as well
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[18:15] <samme> if my connections were wrong, I shouldnt have got two peaks as per (Part 1 - Test Circuit and Test Code)
[18:16] <edmoore> 11khz shift?
[18:16] <edmoore> that sounds like maybe full voltage range into the vco of the ntx2
[18:16] <edmoore> samme: what is the circuit between the arduino pin and the vco input of the radio?
[18:17] <edmoore> and can you measure the voltage at the vco input when sending '1' and when sending '0'?
[18:17] <AndyEsser> samme: what baud rate are you programming for? because the signal doesn't look like a 50/300 baud rate and is just voltage straight into the NTX
[18:17] <AndyEsser> err
[18:17] <AndyEsser> edmoore: no MM
[18:17] <edmoore> no mm...
[18:17] <samme> vco of the ntx?
[18:18] <edmoore> it's hard to do electronics without a multimeter
[18:18] <samme> I could get one but not atm
[18:18] <AndyEsser> definitely worth doing it
[18:18] <AndyEsser> even just a £5 cheapo thing that's not hugely accurate
[18:18] <AndyEsser> (of course, more moeny gets more accuracy etc - worth it)
[18:19] <edmoore> well if the shift is massive, it's likely the vco is seeing too big a swing
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[18:19] <samme> I have directly connected the pin4 and 5 to the 5V
[18:19] <edmoore> can you take a picture of your circuit, especially the connection between the arduino pin and the ntx2, and put it here?
[18:19] <samme> will do
[18:19] <edmoore> thanks
[18:19] <AndyEsser> samme: what about pin 7?
[18:20] <AndyEsser> bear in mind pin 4 and pin 7 should be 3v, not 5v...
[18:20] <Geoff-G8DHE-M> DONT use RTTY in dl-fldigi that expects LSB, set it to USB as the instructions tell you!!
[18:21] <fsphil> we should really remove that
[18:21] <samme> well according to the article it said 5V, just followed
[18:21] <samme> :/
[18:21] <edmoore> can someone experienced (because i can't read all the backlog) briefly summarise what the problem is to the best of their knowledge?
[18:22] <AndyEsser> edmoore: http://i.imgur.com/Pe4EmsP.png
[18:22] <AndyEsser> that's the SDR# signal coming from the NTX2b
[18:22] <AndyEsser> once that looks a bit more sensible, we'll move onto the dl-fldigi bit
[18:23] <edmoore> ok, so yes a big shift
[18:23] <edmoore> i'll wait for the picture
[18:24] <PE2BZ> samme would you happen to know the gain settings for the RTL-SDR ? I would certainly not have that on AGC on, choose a gain around 15 dB or something like that
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[18:27] <samme> http://i.imgur.com/zKb4Dyt.jpg
[18:28] <samme> the yellow pin is connected to 5v
[18:29] <Geoff-G8DHE-M> Which diagram and software are you using to build the circuit ?
[18:29] <samme> UKHAS https://ukhas.org.uk/guides:linkingarduinotontx2
[18:30] <samme> PE2BZ : sorry not sure how to change the gain and unselect the automatic gain control :/ hahaha
[18:30] <edmoore> samme: now the next thing i need you to do is paste your code to pastebin
[18:30] <edmoore> if possible
[18:30] <edmoore> pastebin.com
[18:30] <edmoore> the arduino code
[18:31] <samme> believe you me, the code is exactly the same as on the website (Part 2)
[18:31] <samme> since I am using Arduino Leonardo, I amended the code as mentioned at the end of the webpage
[18:32] <Vaizki> what is that short orange on the breadboad?
[18:32] <PE2BZ> samme in SDR sharp, right to the ¨stop¨ button there is a settings button. Click that button and tell what you see , or paste a screenshot
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[18:32] <AndyEsser> Vaizki: connecting Vcc and EN pins together
[18:32] <Vaizki> ah right
[18:32] <samme> orange - ground
[18:32] <Vaizki> I'm so old my memory fails me
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[18:33] <Vaizki> samme: the short orange one is not ground, it's Vcc now I see it :)
[18:34] <samme> apologies short orange is jumper
[18:34] <samme> for 5v
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[18:35] <samme> http://i.imgur.com/oEEKWfC.png
[18:35] <Vaizki> you really need a scope or multimeter to look on that green wire though...
[18:35] <samme> @pe2bz http://i.imgur.com/oEEKWfC.png
[18:35] <PE2BZ> samme set the sample rate at 2 MSPS and the gain at about 10 dB please ?
[18:35] <samme> @vaizki what would I checking with the MM?
[18:35] <Vaizki> voltage on that wire
[18:36] <Vaizki> I'm not sure how you are managing a 11kHz shift with the NTX2B.. :)
[18:36] <Geoff-G8DHE-M> I suspect the PWM is not occurring so its +5v and 0v
[18:37] <edmoore> samme: just to humour me, would you mind still just pasting the arduino code you have infront of you into pastebin?
[18:37] <edmoore> also note it's an ntx2 not an ntx2b
[18:37] <edmoore> even if you say the code is definitely the same as on the webpage
[18:39] <Vaizki> ntx2 data sheet says +- 3.5kHz FM deviation max which would be 7kHz shift but oh well
[18:39] <samme> http://pastebin.com/JNqU9XUK
[18:40] <samme> what have I done wrong? :/ -_-
[18:43] <samme> furthermore, I tried doing this (http://www.timzaman.com/2011/04/radio-rtty-library-for-arduino/?lang=en)
[18:43] <samme> not successful :/
[18:44] <edmoore> copy-paste of random arduino libraries is never succesful
[18:44] <edmoore> well, rarely
[18:44] <samme> as a beginner to RTTY, no choice :/
[18:45] <PE2BZ> samme did you ever use the RTL SDR before ? Any reception experience with it ?
[18:45] <samme> naaah
[18:45] <PE2BZ> Where do you live ? (about..)
[18:45] <edmoore> samme: no that's never true
[18:45] <samme> manchester
[18:45] <edmoore> of course you have a choice
[18:46] <edmoore> everyone who started this was a beginner to rtty
[18:46] <edmoore> copy paste of random libs gets you nowhere
[18:46] <samme> I can see
[18:46] <edmoore> say it to yourself every night before you go to bed
[18:46] <edmoore> just gets you in a deeper hole
[18:46] <edmoore> anyway bvm let's fix this
[18:46] <edmoore> nvm*
[18:46] <samme> thanks for the help :)
[18:46] <AndyEsser> but edmoore, who wants to fully understand something when they can just download someone else's open source project and be done with it...
[18:47] <edmoore> snr please AndyEsser
[18:47] Action: AndyEsser squelches himself
[18:47] <PE2BZ> If you set the gain to 39 dB, connect the RTL antenna to the dongle, tune to around 100 MHz in WFM, you should be able to receive FM broadcast radio stations. That would be a good start to see if the RX is allright
[18:47] <Vaizki> I don't think that setPwmFrequency is working ok for the Arduino Leonardo then
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[18:48] <Vaizki> or arduino base library on leonardo uses the same timer for delays that you are using for pwm.. or something
[18:48] <Vaizki> that's the only thing I can think of
[18:48] <Vaizki> try moving it to pin 5 for example?
[18:49] <PE2BZ> samme 95.10 MHz should be BBC in Manchester
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[18:49] <samme> works !
[18:50] <samme> the RX is fine
[18:50] <PE2BZ> Good audio , no problems in reception ? Great !
[18:50] <samme> slight noise
[18:50] <samme> but clear enough
[18:50] <PE2BZ> And now, with the same gain settings, tune in USB to your RTTY signal
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[18:53] <PE2BZ> If it´s still 11 kHz wide, disconnect the wire to Pin 9 on the Arduino. That should leave you with 1 (small) signal
[18:53] <Vaizki> samme: screenshot of sdr# now?
[18:54] <samme> http://i.imgur.com/Mu79eE4.png
[18:54] <PE2BZ> Leonardo should support PWM on pin 9 PWM: 3, 5, 6, 9, 10, 11, and 13. Provide 8-bit PWM output with the analogWrite() function.
[18:55] <Vaizki> samme: looks good but too hot.. meaning you have too much gain.
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[18:56] <Vaizki> oops sorry that was still 1kHz spread?
[18:56] <PE2BZ> 16 kHz ;-)
[18:56] <samme> yea 16KHz
[18:56] <PE2BZ> samme and with no connection to pin 9 ?
[18:57] <samme> http://i.imgur.com/HKtgnFF.png
[18:57] <PE2BZ> It is early in Manchester ? Drive to a gas station and grab a multimeter from the 5 pound collection...
[18:57] <samme> with no connection to pin 9
[18:58] <AndyEsser> or drive to chester and grab one from me
[18:58] <PE2BZ> Then the others are right. Pin 9 seems to swing multiple volts...
[18:58] <Vaizki> well that confirms pwm is not working..
[18:58] <Vaizki> without connection to TX pin the peak is in the same place as with connection
[18:58] <PE2BZ> AndyEsser would that go with a short course ? That would be even better :-)
[18:59] <AndyEsser> And a Scope to check the PWM
[18:59] <Vaizki> samme: did you try moving to another PWM pin?
[18:59] <samme> doing it now
[18:59] <PE2BZ> Good luck samme, I am going to give my wife some attention. AFK till tomorrow.
[18:59] <PE2BZ> Bye all !
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[19:00] <samme> thankx for your help :D
[19:00] <PE2BZ> Your welcome
[19:00] <samme> will bug you tomorrow :/ will update you all once I get a Multimeter
[19:01] <PE2BZ> NP
[19:02] <edmoore> samme: which pin are you going to try it on?
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[19:02] <Vaizki> I would try other radio pins.. 11 looks good ;) .. and also try commenting out the call to setPwmFrequency( ... )
[19:04] <edmoore> no i wouldn;t do that yet
[19:04] <edmoore> i'd try pin5
[19:05] <jerry> !dial 18be
[19:05] <SpacenearUS> 03jerry: Latest dials for 03F-2 10(18be): 03434.06892 MHz, 434.069306 MHz, 434.0689 MHz, 434.0696 MHz, 434.069208 MHz, 434.06825 MHz, 434.07 MHz, 434.06935 MHz, 434.069289 MHz
[19:05] <edmoore> just set the radiopin to 5 at the top of your code and physically move the wire
[19:05] <edmoore> see what that does
[19:06] <samme> http://i.imgur.com/SmbwxtY.png
[19:07] <edmoore> what did you do?
[19:07] <samme> pin5 as you told me
[19:07] <Geoff-G8DHE-M> still looks like rail to rail
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[19:10] <samme> no diff
[19:11] <Laurenceb__> that kind of looks like RTTY to me
[19:11] <AndyEsser> samme: do you have any resistors?
[19:11] <Geoff-G8DHE-M> not with the massive deviation of 16KHz!!
[19:12] <Geoff-G8DHE-M> ok a bit less
[19:13] <edmoore> maybe we should ask samme to modify the txbit function to make it like 1 baud
[19:13] <edmoore> to try and physically see the carrier shifting up and down at 1 baud
[19:13] <edmoore> to confirm that that bit is at least working
[19:13] <Geoff-G8DHE-M> its switching thats for certain
[19:14] <Geoff-G8DHE-M> just not being controlled in the form of PWM
[19:14] <samme> modify the txbit function?
[19:15] <mfa298> wasn't one of the first steps effecively doing that, or was that in the older non-pwm guide
[19:15] <Geoff-G8DHE-M> I seem to recall seeing this previously the PWM frequency was incorrect
[19:15] <Geoff-G8DHE-M> and it was thePWM clock that was being modulated
[19:16] <DL1SGP> drats still no word from Lunar_Lander, no flightdoc either...
[19:16] <edmoore> i still think pwm is worse that potential dividers for a beginner intro
[19:16] <edmoore> than*
[19:16] <Geoff-G8DHE-M> agee, is the old article still on thewiki cant find it
[19:16] <edmoore> probably in the edit history
[19:17] <edmoore> samme: just for fun, on line 76, can you change the pwm value to 101 instead of 110
[19:17] <mfa298> the part1 code looks to be doing 1hz switching (on, 500ms, off, 500ms)
[19:17] <edmoore> in the analogwrite function
[19:17] <edmoore> and then see if the deviation changes
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[19:18] <SpacenearUS> New vehicle on the map: 03KE7SYF-2 - 12http://tracker.habhub.org/#!qm=All&q=KE7SYF-2
[19:18] <samme> edmoore: will try
[19:18] <edmoore> DL1SGP: what are you expecting from him?
[19:19] <samme> should I leave the radio to pin 9?
[19:19] <edmoore> yeah
[19:19] <mfa298> edmoore: I'd agree, I prefer the resistor divider method as well as an introduction, I'm not really sure how much benefit pwm gives for this (other than saving 3p worth of resistors)
[19:19] <edmoore> it makes it a lot more complicated and throws new people intro registers
[19:19] <edmoore> and the point of the arduino is to avoid that
[19:19] <edmoore> i said this at the time i think
[19:20] <edmoore> it's a bit of a pedagogical disservice, this change
[19:20] <mfa298> resistor divider method is at https://ukhas.org.uk/guides:linkingarduinotontx2?rev=1399496254
[19:20] <mfa298> (greping logs is quicker than trying to find the right revision)
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[19:21] <mfa298> the resistor divider method also works easily with other devices with little modification (e.g. Pi with the uart, or any system you can bitbang).
[19:22] <samme> http://i.imgur.com/Z5svDuh.png
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[19:23] <samme> should I try using resistors? although never saw that page before :/
[19:23] <edmoore> no wait for now
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[19:23] <edmoore> also, please try and keep the same zoom settings between screen shots
[19:24] <edmoore> it makes it hard to compare otherwise
[19:25] <samme> http://i.imgur.com/Sfmava4.png
[19:25] <samme> sorry
[19:26] <edmoore> keeping an identical (i mean identical) zoom, could you now take one with the analogwrite value back to 110
[19:26] <samme> sure will do
[19:27] <edmoore> ta
[19:28] <samme> http://i.imgur.com/iVIAyqi.png - (101)
[19:29] <samme> http://i.imgur.com/jdCX0TG.png - (110)
[19:34] <Geoff-G8DHE-Tab> The PWM method does however lead on to the MFSK modes
[19:35] Nick change: heathkid|2 -> heathkid
[19:38] <edmoore> samme: thanks
[19:39] <edmoore> finally, could you replace the two delayus(blah) lines (lines 84 and 85) with the single line 'delay(1000)' please?
[19:39] <edmoore> and take a screenshot of the same thing
[19:39] <edmoore> hmm, 500 instead of 1000
[19:40] <samme> sure (Y)
[19:41] <samme> meaning a single delay of "delayMicroseconds(5000);"??
[19:41] <samme> edmoore: ??
[19:42] <mfa298> samme: just delay, not delayMicroseconds
[19:42] <jerry> !dial 18be
[19:42] <SpacenearUS> 03jerry: Latest dials for 03F-2 10(18be): 03434.06892 MHz, 434.0696 MHz, 434.069208 MHz, 434.06825 MHz, 434.07 MHz, 434.06935 MHz, 434.0689 MHz, 434.069328 MHz
[19:42] <samme> delay (500)
[19:42] <Vaizki> 500 not 5000
[19:42] <samme> got it
[19:42] <mfa298> delay should give you milli seconds (so 0.5s)
[19:43] <edmoore> this is hard without a scope but i wonder if the pwm freq is too low for the ntx2
[19:43] <samme> edmoore: still on pin 9?
[19:43] <edmoore> so the vco is seeing the pwm switching freq
[19:43] <edmoore> samme: yes still on pin 9
[19:44] <edmoore> so rather than 'pwm isn't working', it's that pwm is working but just the pwm freq is too low
[19:44] <edmoore> this test should show that (or not)
[19:44] <edmoore> it should be narrow band steps in the waterfall is the pwm isn;t working, and broadband steps in the waterfall if the pwm is infact working but that its freq is too low
[19:46] <samme> http://i.imgur.com/04If4Gd.png http://i.imgur.com/keRaYam.png
[19:46] <edmoore> yeah
[19:47] <edmoore> so pwm is on
[19:47] <edmoore> but probably just at too low a switching speed
[19:48] <samme> I am confused :/
[19:50] <edmoore> that wasn't really meant for you sorry
[19:50] <edmoore> i'm just thinking out loud
[19:50] <edmoore> unless something funky is happening
[19:50] <samme> I think I am gnna leave and get a MM
[19:50] <edmoore> could you disconnect the data pin and post a screenshot?
[19:50] <edmoore> one sec
[19:50] <edmoore> i just want to see how clean the spectrum is with no data
[19:51] <samme> data pin?
[19:51] <edmoore> the green wire
[19:51] <edmoore> disconnect it from the breadboard end
[19:51] <edmoore> not the arduino end
[19:53] <samme> http://i.imgur.com/aQPeVWx.png
[19:53] <samme> edmoore: followed your instruction
[19:53] <miek> apparently the arduino PWM freq is 490Hz or 980Hz depending on the pins used
[19:54] <edmoore> neither of those are fast enough!!!
[19:54] <edmoore> the bandwidth of the ntx2 is like 5khz
[19:55] <edmoore> this is frustrating as i don't use AVRs and i don't use arduinos and i don't know anything about this code
[19:56] <samme> i will try (https://ukhas.org.uk/guides:linkingarduinotontx2?rev=1399496254)
[19:56] <edmoore> miek: but the custom setPWMFrequency function must be upping it
[19:59] <miek> edmoore: ah sorry i missed that, only skimmed the convo
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[20:00] <mfa298> it feels a bit like the analogueWrite is going from 0% to 100% so acting more like digitalWrite
[20:02] <Vaizki> yes the NTX2 has a low pass filter around 5kHz I think, so it might go haywire with a slow PWM
[20:03] <Vaizki> never thought about that.. I spent about 20mins with PWM and went for the voltage dividers as it gave a cleaner signal
[20:03] <samme> will try using voltage divider perhaps :/
[20:03] <edmoore> mfa298: i'm not sure it is that
[20:03] <samme> thanks for the help you all :D
[20:03] <edmoore> that's what all the text above was about
[20:03] <samme> :/
[20:04] <Vaizki> don't feel bad samme, we don't often get people using a leonardo here
[20:04] <miek> that's the other thing, that setPWMFreq function may not be designed for a leonardo
[20:04] <samme> what Arduino board do you recommend?
[20:04] <edmoore> miek: read the article
[20:04] <edmoore> it has leonardo-specific stuff at the bottom
[20:05] <Vaizki> miek: yes I suspected that as well, even though there are notes at the bottom how to modify for leonardo timers
[20:05] <miek> ah
[20:05] <edmoore> samme: the leonardo should be fine
[20:05] <samme> yea...I did follow those and edited the code
[20:05] <edmoore> especially with the voltage divier method
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[20:05] <samme> will try to do voltage divider method tonight
[20:06] <edmoore> if you can get access to a scope at some point it'd be so useful to see what the pwm is doing
[20:06] <samme> i could get a multimeter
[20:06] <samme> hahaha
[20:07] <Vaizki> a scope is kind of a multimeter you know.. :)
[20:07] <samme> I know :/ thats why I laughed xD
[20:07] <samme> will go out and buy one, now
[20:07] <samme> thanks you all once again :)
[20:07] <Vaizki> a MM won't tell you if the PWM is too slow though
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[20:10] <samme> true that
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[20:11] <mfa298> scope and/or logic analyser are very useful for debugging this sort of thing (althouh a bit more expensive than the £5 dmm)
[20:11] <samme> I can try to get access to it within this week
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[20:17] <Vaizki> well you can get a real cheap 20MHz analog scope and it will save you hours of head-scratching..
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[21:54] <SpacenearUS> New vehicle on the map: 03car_chase - 12http://tracker.habhub.org/#!qm=All&q=car_chase
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[22:39] <SpacenearUS> New vehicle on the map: 03ARY2 - 12http://tracker.habhub.org/#!qm=All&q=ARY2
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[00:00] --- Fri Jun 17 2016