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[01:19] <Laurenceb__> anyone around?
[01:19] <Laurenceb__> ublox i2c clock stretching, can it occur when other devices on an i2c bus (not the ublox) are being accessed?
[01:20] <adamgreig> the ublox itself shouldn't stretch the bus unless it is being addressed
[01:21] <adamgreig> other devices might be stretching it though sure
[01:21] <adamgreig> or are you asking if the ublox will be upset if other devices clock stretch?
[01:21] <adamgreig> (in that case idk :P)
[01:21] <Laurenceb__> ok
[01:22] <Laurenceb__> I'm seeing weird errors on i2c bus with an stm32, ublox8, and lsm9ds1 sensor
[01:22] <Laurenceb__> stm32 is giving me an intermittent BERR, yet connecting a saleae logic to the lines shows nothing obviously wrong
[01:23] <Laurenceb__> BERR means "misplaced start or stop inside a transaction"
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[01:23] <adamgreig> stm32 i2c...
[01:23] <Laurenceb__> yup lol
[01:24] <Laurenceb__> never seen this before but I've also never had a ublox connected to stm32 i2c bus
[01:24] <adamgreig> i've had a ublox to stm32 over i2c without any BERR
[01:24] <adamgreig> or other issues
[01:25] <adamgreig> but that's not very helpful..
[01:25] <Laurenceb__> ok, was there anything else on the bus?
[01:25] <adamgreig> no
[01:25] <Laurenceb__> ok
[01:25] <Laurenceb__> yeah I'm wondering if ublox gets confused and tries to clock hold during some transactions
[01:25] <Laurenceb__> I'll try with a high end scope, but the problem can take hours to appear
[01:26] <adamgreig> :(
[01:27] <Laurenceb__> on XScale I've had issues with ringing i2c busses
[01:27] <Laurenceb__> requiring 15pF caps to fix
[01:32] <Laurenceb__> sounds to my like ublox uses SW i2c with some RTOS
[01:32] <Laurenceb__> as it can "hold clock low due to interrupts"
[01:33] <Laurenceb__> unless that is at the end of a byte transaction
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[06:43] <SpacenearUS> New vehicle on the map: 03CAEN_chase - 12http://tracker.habhub.org/#!qm=All&q=CAEN_chase
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[07:55] <DL7AD_> morning
[08:03] <SpacenearUS> New position from 03SP9UOB-10 after 033 days silence - 12http://tracker.habhub.org/#!qm=All&q=SP9UOB-10
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[08:10] <daveake> fsphil Job for you ^ :-)
[08:10] <SM0ULC-Reb> morrn
[08:11] <fsphil> oh that's typical, stuck at work
[08:11] <SM0ULC-Reb> wow
[08:14] <fsphil> wow indeed
[08:15] <fsphil> none of my radios are connected. bah
[08:16] <fsphil> heading for Edinburgh
[08:16] <fsphil> coming right at ya SpeedEvil
[08:20] <miek> oh cool, i'll see if i can hear it
[08:20] <fsphil> will run up to the house shortly and get something setup
[08:21] <x-f> i like your priorities :)
[08:21] <DL1SGP> indeed :)
[08:22] <fsphil> hah
[08:24] <gonzo__> looks like it could be a busy week in the air
[08:26] <Upu> did one of Tomaz's balloons circumnav ?
[08:26] <fsphil> looks like
[08:26] <fsphil> no history on the tracker though
[08:27] <fsphil> certainly looks like trans-atlantic
[08:28] <gonzo__> they need to talk to leo about historic data dumps
[08:31] <SM0ULC-Reb> I got a mail from Norwegian authorities yesterday stating fq-wise/power that same rules apply for radio amateurs. I.e: it is ok run APRS etc
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[08:46] <fsphil> that's a pretty good float altitude
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[09:12] <SM0ULC-Reb> possible to re-run the hyplist?
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[09:21] <SpacenearUS> New vehicle on the map: 03SFSU - 12http://tracker.habhub.org/#!qm=All&q=SFSU
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[09:23] <Vaizki> hmmpfh I need a round hole mountable on/off toggle switch (spst) that is not easily turned off.. any ideas :)
[09:23] <Vaizki> like a rotating switch that needs a screwdriver or coin to turn or something like that
[09:26] <Geoff-G8DHE-M> http://www.vehicle-wiring-products.eu/product.php/700/toggle-switch-with-red-aircraft-cover
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[09:33] <SP9UOB-Tom> Hi all
[09:33] <Upu> hey Tom
[09:34] <SP9UOB-Tom> Hey - sorry for this APRS :-( Its a bug in software :-(
[09:34] <DL1SGP> Hey Tom :)
[09:34] <SP9UOB-Tom> please monitor 434.550 MHz in northern UK
[09:34] <SP9UOB-Tom> :-)
[09:38] <adamgreig> Vaizki: key switch
[09:41] <SM0ULC-Reb> SP9UOB-Tom: great travels of the little one.
[09:42] <SM0ULC-Reb> SP9UOB-Tom: whu not patch and upload? ;)
[09:44] <SP9UOB-Tom> SM0ULC-Reb: ha ha ;-)
[09:44] <SP9UOB-Tom> SM0ULC-Reb: hardware also needs to be patched
[09:44] <x-f> SP9UOB-Tom, congrats on crossing the second ocean!
[09:45] <SP9UOB-Tom> SM0ULC-Reb: MPPT solar step-up converter does not work as it should - it has problems with proper startup
[09:45] <Vaizki> adamgreig: I would lose the key :)
[09:45] <SP9UOB-Tom> x-f: thanks :-)
[09:45] <Vaizki> so far I came up with this.. http://www.mouser.fi/ProductDetail/Schurter/00334504/?qs=sGAEpiMZZMvNbjZ2WlReYod1KHcDvxhTopabigvN4kk%3d
[09:46] <Vaizki> Geoff-G8DHE-M: I forgot to mention "low profile" and "childproof" .. :)
[09:47] <SP9UOB-Tom> Pico25 has downloaded some logs: http://sp9uob.verox.pl/pliki/pico25.txt
[09:47] <SM0ULC-Reb> SP9UOB-Tom: ah, you have tx-aprs enabled over sweden etc, right?
[09:49] <SP9UOB-Tom> SM0ULC-Reb: yes, but i hav no idea wheter power supply start or not :-(
[09:49] <SP9UOB-Tom> have
[09:50] <SM0ULC-Reb> ah
[09:51] <SP9UOB-Tom> looks like geofence is in action ;-) Or supply failed again
[09:52] <SP9UOB-Tom> have to go to work. Bye all.
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[10:04] <Geoff-G8DHE-M> Vaizki, typical only half a spec. from the customer ;-)
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[10:10] <Vaizki> Geoff-G8DHE-M: only one coffee down so bear with me :)
[10:10] <DL1SGP> did I hear coffee?
[10:11] <Vaizki> and Mouser lists a switch as (ON) - OFF - (ON) while OTTO lists it as ON-OFF
[10:11] <Vaizki> hnngh
[10:14] <Geoff-G8DHE-M> Coffee what a good idea
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[10:24] <SpeedEvil> fsphil: Alas - radioless.
[10:24] <SpeedEvil> fsphil: Well - to be accurate - no suitable.
[10:25] <fsphil> I've been called into a meeting. my cunning plan was foiled
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[10:38] <sp5nvx> Baloon SP9UOB-10 over n UK CTSTIA 32 1000 434550 or 144251
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[10:57] <adamgreig> 17k left on the limeSDR fundraiser, 13 hours left
[10:57] <adamgreig> cutting it fine
[10:58] <fsphil> mmm
[10:58] <adamgreig> fingers crossed anyway. their updates have been really excellent
[10:58] <fsphil> I keep looking. can't really afford it, and don't really need it. still tempted
[10:58] <adamgreig> at first i was a bit scornful of their app idea but it seems like it might actually be quite good
[10:58] <adamgreig> makes it a hell of a lot easier to press 'go' and get a working gsm base station or whatever
[11:00] <fsphil> the plastic case is $99. seems a bit urg
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[11:01] <adamgreig> yea that's a bit much, going to cut my own
[11:02] <russss> I paid for one
[11:02] <russss> in the end
[11:03] <adamgreig> i would be more tempted to pay for the aluminium case as I can't just cut one myself, but it's a lot, can't just get the case separate
[11:03] <adamgreig> favourite thing about the airspy and hackrf compared to the bladerf is that they are in a case :P
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[11:04] <adamgreig> what i really want, and might do, is this https://www.ettus.com/product/details/E310-KIT
[11:04] <russss> hackspace now has a working Bridgeport Interact, so I may have to mill a case
[11:04] <adamgreig> stick the limesdr in an alu extrusion and machine out an endcap with sma
[11:04] <fsphil> yeah. even if the hackrf case is a cheapy plastic thing, it's still vastly better than a naked pcb
[11:04] <adamgreig> the E310 looks so nice, but £2200!!!
[11:04] <russss> yeah they look fun
[11:06] <adamgreig> I reckon I could fit the limeSDR and maybe a daughterboard SoC sort of thing in a similar case
[11:06] <adamgreig> put a CHIP or an rpi or something in there
[11:06] <adamgreig> and a battery.... maybe not a battery
[11:06] <SM0ULC-Reb> the limesdr funding seems to be quite big so i guess cases will arrive for sale quite fast?
[11:06] <adamgreig> yea hopefully
[11:06] <adamgreig> though I like the idea of making my own more :P
[11:06] <adamgreig> good excuse to brush up my hand mill skills
[11:06] <SM0ULC-Reb> 2000 units to _start_ with is not a small amount
[11:08] <russss> well, I presume they already have manufacturing experience and suppliers
[11:09] <fsphil> there are a few in the wild already
[11:10] <fsphil> some software developers got them early
[11:10] <SM0ULC-Reb> right, but for a start of production i thgought it was a pretty big batch, but i might have missed somthing in their docs
[11:12] <adamgreig> 2k units doesn't seem so bad compared to a lot of kickstarters :P
[11:22] <mattbrejza> 2k isnt bad if you have something that works and all priced up and so on
[11:23] <mattbrejza> conference badge quantities :P
[11:23] <adamgreig> i almost did a summer job with lime micro, they worked in the office next door to the place i worked that went into administration two weeks after i started
[11:23] <adamgreig> (not my fault i swear)
[11:23] <mattbrejza> its not as if they have to do plastics and stuff
[11:35] <SM0ULC-Reb> well, hope they get funding anyway
[11:41] <SM0ULC-Reb> 97%, great
[11:50] <SpacenearUS> New vehicle on the map: 03G6SQX _chase - 12http://tracker.habhub.org/#!qm=All&q=G6SQX%20_chase
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[11:56] <SpacenearUS> New position from 03CAEN_CP1 after 0314 hours silence - 12http://tracker.habhub.org/#!qm=All&q=CAEN_CP1
[11:58] <Vaizki> I think the LimeSDR accessories are almost absurdly priced? 100 for an acrylic case?
[11:59] <Vaizki> 300 for an aluminum case + set of antennas? :O
[11:59] <mattbrejza> well its not worth their effort to do it at cost
[11:59] <SpacenearUS> New position from 03RTLS1 after 0312 hours silence - 12http://tracker.habhub.org/#!qm=All&q=RTLS1
[12:00] <SM0ULC-Reb> Vaizki: yes, it's a bit stupid too i think.. there will be a lot o f support-questions from people ho have misshandled their board
[12:01] <adamgreig> it's a shame they haven't learned from the bladeRF USB connector
[12:01] <adamgreig> and gone with a USB3 B
[12:01] <adamgreig> rather than the A or microB, both of which will presumably be snapping off in 3.. 2..
[12:01] <adamgreig> heck just use a nice usb c
[12:02] <Vaizki> if they want to sell a lot of boards to newbies, they should have a box with SMAs out
[12:02] <Vaizki> but not at 600 USD
[12:02] <adamgreig> easy enough to get uFl to SMA I think though
[12:02] <adamgreig> but yea a box would be nice
[12:02] <adamgreig> just not for that price indeed
[12:03] <SM0ULC-Reb> Vaizki: yes, as i see it's not marketed as a serious device but something you buy and lab with and then do something else
[12:03] <Vaizki> I'm not saying I need one. Or you need one. Just saying if they want to target an impulse buying market of people who just want something to use and not a kit.
[12:04] <fsphil> oh yes it's that awful usb3 plug
[12:04] <fsphil> hadn't noticed that
[12:04] <Vaizki> well it sure looks like a pretty serious device to me.. although the complete lack of RF shielding is weird
[12:04] <adamgreig> well it's the USB 3 type A by default, or you can order with a USB 3 micro B
[12:04] <fsphil> hackrf has no shielding either
[12:06] <SM0ULC-Reb> Vaizki: i meant just the marketing and that sort of include how to put it in a box easy. just hope they can get a similar thing as the rpi
[12:06] <Vaizki> hackrf is limited by the 8bit ADC and has third the sample rate
[12:07] <Vaizki> anyway, it just seems a bit half-baked
[12:07] <SpacenearUS> New position from 03VE2WMG-10 after 033 days silence - 12http://tracker.habhub.org/#!qm=All&q=VE2WMG-10
[12:07] <SM0ULC-Reb> the airspy/spyverter comes with nice metallic box
[12:07] <adamgreig> airspy coming in a metal case is nice
[12:08] <prog> \m/
[12:08] <prog> metal is fun
[12:09] <adamgreig> limeSDR is a 12 layer pcb
[12:09] <fsphil> crikiey
[12:09] <adamgreig> fun
[12:10] <adamgreig> it's all open source, even the pcb layout and so on, which is more than most
[12:10] <Vaizki> mm and the alu case for limeSDR has 4 SMA sockets.. but the board has RF rx/tx?
[12:10] <Vaizki> 10 RF rx/tx
[12:10] <adamgreig> but you're not going to be fabbing your own 12 layer pcb any time soon
[12:11] <Vaizki> and the PCI-e variant just looks like has a USB3 controller on it, no direct pci-e to the altera
[12:11] <adamgreig> hmm really?
[12:11] <Vaizki> I'm supposed to pay 500 more for that?
[12:12] <adamgreig> I don't see the usb3 chip on the pcie card
[12:12] <Vaizki> I might be wrong..
[12:12] <adamgreig> if anything it's notably missing compared to the usb3 version
[12:12] <adamgreig> https://www.crowdsupply.com/img/31d2/limesdr-7_jpg_project-body.jpg
[12:12] <adamgreig> https://www.crowdsupply.com/img/d86b/limesdr-pcie-1-1_jpg_project-body.jpg
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[12:16] <adamgreig> aw, it's 20mm too long to fit inside http://www.rapidonline.com/hammond-1455-series-slimline-blue-aluminium-enclosures-with-plastic-end-panels-553276
[12:16] <adamgreig> oh I take it back! there is a 100mm long version
[12:17] <mattbrejza> the cyclone iv has pcie hardip, so i can only assume its connected
[12:17] <adamgreig> http://www.rapidonline.com/hammond-1455b1002bu-aluminium-enclosure-slimline-100x71-7x19mm-blue-30-1596
[12:17] <adamgreig> that'd fit nicely
[12:17] <adamgreig> and ABS bezels I can machine on the model mill for SMA panel mount
[12:18] <adamgreig> or a 120mm long version to give a bit of space for the connectors and stuff
[12:20] <adamgreig> though that's 11 SMA connectors if you break them all out, lol
[12:20] <adamgreig> guess you can put the clock one on the front panel, so just 10 to fit on the back
[12:20] <Vaizki> it uses a CYUSB3014-BZXI in the USB3 version.. and that is a GPIF-II chip
[12:21] <Vaizki> well I guess that's a good fit for the FPGA
[12:24] <adamgreig> can fit ten SMA connectors on the bezel of that hammond box no problem
[12:24] <adamgreig> would look quite exciting
[12:24] <adamgreig> no problem is a strong word
[12:27] <Vaizki> that's kind of what I'm saying.. hammond will do custom end panels for you even with small batches
[12:28] <Vaizki> so limesdr should just provide an ugly-metal-box option thank you very much :)
[12:29] <SM0ULC-Reb> if one thinks of it as a two radios inlucluding a 6x2 (?) antenna-swtich it's a neat setup for remote work
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[12:30] <Vaizki> and it would work with the spyverter for hf..
[12:30] <adamgreig> so i think you can fit 8 SMA on one end panel
[12:31] <adamgreig> Vaizki: it goes down to 100kHz
[12:31] <adamgreig> so not much point in the spyverter..
[12:31] <Vaizki> oh right the ettus was 70MHz-
[12:31] <Vaizki> sorry mixed them up
[12:32] <prog> I don't want to look silly, by 9 ENOB is a bit light for HF
[12:32] <prog> but*
[12:33] <prog> it's more reasonable > 30MHz
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[12:34] <adamgreig> cool, with a bit of a squeeze and slightly smaller profile sma, i can fit ten on the end plate
[12:35] <Vaizki> talking of cool, maybe you don't want it in a really small box without a fan...
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[12:35] <adamgreig> lol
[12:35] <adamgreig> i'll just glue a heatsink to the metal box ;)
[12:36] <fsphil> thermally conductive potting compound
[12:37] <mattbrejza> mini heatpipe
[12:41] <SM0ULC-Reb> prog: might be but i don't think they aimed to build a very good hf-transciever :/
[12:42] <prog> but it builds very good GSM/3G/4G base stations!
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[12:43] <SM0ULC-Reb> prog: yepp. just add an amp and you can build el-cheapo basestations for nowhere
[12:44] <barc> Hi guys, doing a launch from Bristol tomorrow at around 09:00, would be great if a a few people could give us a listen! will be on 434.450mhz with the callsign BARC
[12:45] <SM0ULC-Reb> prog: you have plans to support the lime-sdr in sdr# ?
[12:46] <prog> probably
[12:46] <prog> their interface seems too complex and I have my own projects running
[12:46] <SpacenearUS> New position from 03VE2WMG-11 after 038 days silence - 12http://tracker.habhub.org/#!qm=All&q=VE2WMG-11
[12:46] <adamgreig> do you support general osmocom devices
[12:46] <adamgreig> +?
[12:47] <prog> I support stuff I write plugins for
[12:47] <adamgreig> do you have an osmocom plugin :p
[12:47] <prog> nope
[12:47] <adamgreig> any particular reason?
[12:47] <prog> C#
[12:47] <adamgreig> seems a nice way to support hackrf+airspy+rtlsdr+ettus+bladerf
[12:47] <adamgreig> ah
[12:47] <russss> well, or soapysdr
[12:47] <russss> which IMO is better, especially their remote support
[12:48] <adamgreig> fair
[12:48] <adamgreig> haven't used soapy
[12:48] <adamgreig> but sounds like limesdr drivers are written by the soapysdr guy?
[12:48] <russss> I think so yes
[12:49] <prog> soapysdr the kind of "one size fits all" that ignores the specifics of hardware.
[12:49] <prog> it works fine for simple streaming applications
[12:59] <fsphil> wonder if there'll be a hackrf two
[12:59] <Vaizki> limesdr rf chipset claims -99 dBc/Hz phase noise at 10kHz offset.. hmmh. not horrible at all.
[12:59] <adamgreig> the chipset itself is quite widely used in serious business things as i understand it
[12:59] <Vaizki> that's at 850MHz.. of course it's higher at gig-frequencies
[12:59] <adamgreig> picocells and suchlike
[13:00] <fsphil> is there something on linux that can scan a band and make a really wideband waterfall?
[13:00] <fsphil> I've seen similar on windows
[13:00] <Vaizki> yes.. let me find it..
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[13:01] <Vaizki> http://kmkeen.com/rtl-power/
[13:01] <Vaizki> this is one
[13:01] <fsphil> want to try hooking up an rtlsdr to an LNB, but the signals are +30mhz wide :)
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[13:02] <fsphil> Vaizki: that looks perfect thanks
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[13:03] <Vaizki> I fortunately have spectrum analyzers so have not used that myself
[13:04] <Vaizki> although I have used airspy with spectrumspy to see what's going on..
[13:04] <fsphil> I'm just curious to see what the output from something like the astra2 satellites look like
[13:04] <fsphil> spectrumspy was the windows one I was thinking of
[13:06] <Vaizki> I admit to having bugged prog to do a fosphor-style real-time spectrum analyzer view for SDR# (no need to sweep) but apparently he has other projects and features to do and is not available to serve my slightest whims :)
[13:07] <adamgreig> fosphor is lovely
[13:07] <fsphil> fospher looks nice. didn't work for me last time I tried, must give it another go
[13:07] <adamgreig> that on my bladerf was quite something
[13:07] <adamgreig> you can see like whole wifi channels
[13:07] <adamgreig> everything got a bit toasty even in my watercooled desktop with gpu acceleration lol
[13:07] <fsphil> installing fedora 24 on the home desktop later today, hopefully it'll have all the bits needed
[13:08] <adamgreig> if you're doing a usb2 radio with low bandwidth (especially like an rtlsdr) it's not so bad
[13:08] <miek> fosphor is awesome
[13:08] <fsphil> probably time I upgraded that. still on an old intel q6600 quad core
[13:09] <Vaizki> basically I want a RSA306 and the tek software kit but for 100 usd.. ;)
[13:09] <Vaizki> .. and not 4k USD
[13:10] <fsphil> a nice spectrum analyser would be lovely. rtl-power gonna have to do for now :)
[13:10] <fsphil> I suppose it could be made to work with osmocom libraries and any sdr hardware
[13:11] <flutterb1t> they are so expensive...im way to afraid that i blow the input stage by accident :X
[13:12] <fsphil> yeah I'm not plugging the hackrf or airspy into my satellite output :)
[13:12] <edmoore> my scope has a passable spectrum analyser
[13:12] <edmoore> certainly good enough for 95% of what I need to do
[13:12] <Vaizki> https://www.youtube.com/watch?v=UtQGEgzgUIU
[13:12] <Vaizki> the GUI is laughable but I guess that's gnu radio for you...
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[13:14] <Vaizki> I've just grabbed old GSM test equipment from auctions, they have pretty good spectrum analyzers and rf generators but the user interface is pretty hideous
[13:14] <Vaizki> rigol came out with lower end SAs btw
[13:15] <Vaizki> not available until the fall.. and they're not very good.. but apparently responsive and usable
[13:15] <Vaizki> https://www.rigol-uk.co.uk/Rigol-Spectrum-Analysers-DSA700-Series-s/2041.htm
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[13:16] <fsphil> £522. huh
[13:17] <fsphil> no tracking generator. that seems a useful thing to have
[13:17] <Vaizki> of course those are limited in application.. with 500MHz you are not going to see harmonics etc of your 433MHz...
[13:17] <x-f> fsphil, to generate images from rtl_power's output use gopow - https://github.com/dhogborg/rtl-gopow (before you start installing some py-libs for heatmap.py and go round in circles like i did when i needed rtl_power :)
[13:18] <Vaizki> if those can be hacked.. oh boy
[13:18] <fsphil> Vaizki: yeah probably the same hardware as the 1ghz version
[13:18] <fsphil> x-f: thanks!
[13:18] <Vaizki> oh for sure
[13:19] <Vaizki> "2FSK measurement & analysis in signal seamless capture mode"
[13:19] <Vaizki> hmmh
[13:25] <Vaizki> anyway, all my spectrum analyzers go up to 2.7-4GHZ and they all cost a lot less than the entry level rigol.. I'm ready to take the pain of used and bulky old test equipment for the better specs
[13:25] <Vaizki> also rigol phase noise is 80dBc/Hz at 10kHz which is a shame
[13:27] <Vaizki> -80 that is.. my R&S old junk is -103 I think and a proper SA would be something close to -110
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[13:34] <adamgreig> about $200 to go..
[13:34] <adamgreig> bet the lime micro people are standing by with the champagne
[13:34] <adamgreig> there they go
[13:34] <Vaizki> done :)
[13:35] <fsphil> I look forward to hearing how they go :)
[13:35] <mattbrejza> if it was short by a few £k they surely would have just put in their own money
[13:35] <adamgreig> yes I imagine so
[13:36] <fsphil> they could probably do it without the kickstarter. but it's a good way to get free advertising
[13:36] <adamgreig> yea quite
[13:36] <adamgreig> bit annoying relaly
[13:36] <Vaizki> especially if they ship on time..
[13:36] <adamgreig> but i guess they've not sold single-units to consumers before now so might not be set up for it
[13:36] <mattbrejza> so how is crowdsupply different to kickstarter?
[13:36] <adamgreig> it looks to me like the PCB has tabs for a metal tin shield
[13:36] <adamgreig> I wonder if the final PCBs are getting a shield added
[13:37] <adamgreig> hmm
[13:37] <adamgreig> but then how would you wire the uFls...
[13:39] <mattbrejza> holes?
[13:39] <adamgreig> i guess
[13:39] <adamgreig> w/e i've already picked out the nice aluminium case i'm putting it in
[13:39] <mattbrejza> how many sdrs do you have now?
[13:39] <mattbrejza> can you sync all their clocks?
[13:43] <Vaizki> this one was also.. interesting.. https://www.crowdsupply.com/aeroscope-labs/wireless-oscilloscope-probe
[13:43] <adamgreig> almost all of them yea
[13:43] <adamgreig> so i have, hmm
[13:43] <adamgreig> two rtl-sdrs, hackrf, airspy, bladerf
[13:43] <adamgreig> that's all i think
[13:44] <adamgreig> of which the bladerf has been the most fun and the airspy the most useful
[13:44] <adamgreig> and libhackrf has caused the most frustration :P
[13:44] <fsphil> I nearly got the bladerf over the hackrf. the extra frequency range and lower price of the hackrf wone
[13:44] <fsphil> -e
[13:44] <adamgreig> have you used the higher frequency stuff?
[13:45] <adamgreig> the bladerf is really expensive but having full duplex high bandwidth is quite fun for some things
[13:45] <fsphil> not properly. just looked at some 5.8ghz wifi and video
[13:45] <fsphil> the 8-bit resolution is a bit annoying
[13:46] <fsphil> makes for noisy analogue video
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[14:55] <flutterb1t> the rigol hacking went downwards i think
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[15:12] <Vaizki> flutterb1t: ?
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[15:51] <flutterb1t> Vaizki: a little 'i was on the wrong page' fuck up. an hour earlier the topic was rigol
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[15:55] <OZ1SKY_Brian> Hi, does anyone have the freq for sp9uob?
[15:55] <OZ1SKY_Brian> ah found it in active flights
[15:56] <OZ1SKY_Brian> weak signal trace
[15:57] <OZ1SKY_Brian> P9COB,A509,155D16,58.^8964,3.6U8C_,13065,12969,81,61,0,129,I38,40B,9,"",1*CFD0
[15:57] <AndyEsser> !dial sp9uob
[15:57] <SpacenearUS> 03AndyEsser: Latest dials for 03SP9UOB PICO 22 - 144.251 MHz CTSTIA32/1000 10(0b32): 03144.251 MHz
[15:58] <OZ1SKY_Brian> tnx
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[16:20] <SpacenearUS> New position from 03SP9UOB after 0314 days silence - 12http://tracker.habhub.org/#!qm=All&q=SP9UOB
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[17:41] <DL1SGP> oh thy be greeted LeoBodnar
[17:42] <LeoBodnar> aloha
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[17:48] <natrium42> :D
[17:49] <SpacenearUS> New vehicle on the map: 03NA7CW - 12http://tracker.habhub.org/#!qm=All&q=NA7CW
[17:49] <SpacenearUS> New vehicle on the map: 03NA7AM - 12http://tracker.habhub.org/#!qm=All&q=NA7AM
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[17:52] <natrium42> LeoBodnar: any launches planned?
[17:53] <LeoBodnar> not for now, it is going quite well here without me :)
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[17:57] <SpacenearUS> New position from 03KD0AWK-8 after 0314 days silence - 12http://tracker.habhub.org/#!qm=All&q=KD0AWK-8
[18:04] <natrium42> :)
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[18:10] <Laurenceb> hi LeoBodnar
[18:11] <LeoBodnar> yo!
[18:11] <Laurenceb> how's life?
[18:12] Action: Laurenceb is currently fighting i2c bus
[18:18] <SpacenearUS> New vehicle on the map: 03KD0AWK-7 - 12http://tracker.habhub.org/#!qm=All&q=KD0AWK-7
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[19:03] <SA6BSS-Mike|2> http://ready.arl.noaa.gov/hypubout/156986_trj001.gif
[19:04] <SA6BSS-Mike|2> sp9uob 100h forecast
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[19:15] <Vaizki> SA6BSS-Mike|2: thanks
[19:17] <Vaizki> I gotta set up for it.. if I might catch something for a change
[19:21] <SA6BSS-Mike|2> yes, looks like it will be over you tomorrow morning
[19:22] <OZ1SKY_Brian> Tjena Mike
[19:23] <SA6BSS-Mike|2> hi brian
[19:26] <SA6BSS-Mike|2> have some nasty broadband noise 50khz wide but contestia isvamazin cuttingvthroughbit!
[19:26] <SA6BSS-Mike|2> teamviwer on phone so dontcsee what im writing ??
[19:27] <OZ1SKY_Brian> it might be going soon, incomplete tx now
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[19:27] <OZ1SKY_Brian> not hearing it anymore
[19:27] <SA6BSS-Mike|2> ok. putting by little girl to bed so cantvsit by hecradio
[19:28] <SA6BSS-Mike|2> ok
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[19:29] <OZ1SKY_Brian> got abit of cw now
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[19:31] <OZ1SKY_Brian> power must be too low from the solar panel
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[19:31] <Vaizki> so dl-fldigi auto configures for DominoEx.. but description says contestia 32/1000?
[19:32] <Vaizki> and the payload doc does specify dominoex 22 .. hmmh?
[19:33] <OZ1SKY_Brian> no worrys it use RSID so it will autoadjust
[19:33] <OZ1SKY_Brian> but right now it only tx cw callsign now and then because of low power
[19:34] <OZ1SKY_Brian> data now again
[19:35] <Vaizki> well I'm in Finland so quite out of range still
[19:35] <Vaizki> so what does the payload use for data? contestia or dominoex?
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[19:35] <OZ1SKY_Brian> terve, ok so maybe tomorrow
[19:36] <x-f> description is correct, dl-fldigi can't autoconfigure Contestia
[19:36] <Vaizki> terve terve ;)
[19:36] <OZ1SKY_Brian> Contestia 32/1000
[19:37] <OZ1SKY_Brian> its very intermitted tx now
[19:37] <SA6BSS-Mike|2> now some cw
[19:37] <OZ1SKY_Brian> yes SP9UOB
[19:37] <Vaizki> thanks..
[19:38] <Vaizki> what's the exact frequency of the CW?
[19:38] <OZ1SKY_Brian> it need to say SP9UOB FIX OK before it starts the data tx
[19:38] <OZ1SKY_Brian> 144.251 USB
[19:38] <Vaizki> so it's spot on?
[19:38] <OZ1SKY_Brian> yes
[19:39] <OZ1SKY_Brian> 144.251+1410Hz
[19:39] <OZ1SKY_Brian> last RSID said <<2016-06-21T19:34Z Contestia @ 144251000+1453>>
[19:40] <SA6BSS-Mike|2> using my airspy mini its tuned to 144.250.544 @ center 2030
[19:41] <Vaizki> right so I will leave this on 144.250 + 5k
[19:41] <SA6BSS-Mike|2> should work great
[19:42] <OZ1SKY_Brian> data!
[19:42] <SA6BSS-Mike|2> yes :9
[19:46] <SA6BSS-Mike|2> oddstr13: online there is ablloon allmost over u
[19:47] <SA6BSS-Mike|2> data
[19:51] <Vaizki> hmmmh I just got a partial decode $$WKOT,FH57 and then crap .. :O
[19:51] <Vaizki> what's going on...
[19:52] <SA6BSS-Mike|2> its got into constant carier, not enugh solar
[19:52] <x-f> does it transmit on 434.550 too? Tom mentioned this freq today
[19:52] <Vaizki> was that just the luckiest noise ever then.. to give me $$WKOT,
[19:54] <Vaizki> x-f: some mention was that it geofences out no-fly-ham areas and goes 434.550
[19:54] <Vaizki> I don't even know if Finland is in that geofence or not..
[19:55] <x-f> aha, thanks
[19:56] <SA6BSS-Mike|2> it just dont give up, some cw still :)
[19:57] <SA6BSS-Mike|2> lucky us it come the longest day ina ll year :) (it was yesterday I know)
[19:59] <fsphil> unless you live really far north
[19:59] <SA6BSS-Mike|2> well it have turned today is one minute shoter then yesterday
[20:01] <OZ1SKY_Brian> CW :-)
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[20:03] <SP9UOB-Tom> evening All
[20:03] <OZ1SKY_Brian> Hi Tom
[20:04] <SA6BSS-Mike|2> hi there
[20:04] Nick change: SA6BSS-Mike|2 -> SA6BSS-Mike
[20:04] <SA6BSS-Mike> cw
[20:04] <SA6BSS-Mike> listening to your balloon, it doing great
[20:05] <SP9UOB-Tom> SA6BSS-Mike: thanks :-) It is fighting with sunrise ;-)
[20:05] <SA6BSS-Mike> yeah I heard,
[20:05] <SA6BSS-Mike> its har to wake in the morning
[20:06] <SP9UOB-Tom> SA6BSS-Mike: it has powet-supply issue, and can not wake up tommorow
[20:06] <SA6BSS-Mike> yeah, read all about it
[20:06] <fsphil> sad I missed it today. really bad timing
[20:07] <fsphil> lesson learned: always leave an airspy connected to an antenna
[20:07] <SpacenearUS> New vehicle on the map: 03MIKEL - 12http://tracker.habhub.org/#!qm=All&q=MIKEL
[20:08] <SP9UOB-Tom> fsphil: i have tried to aim to Your location, and it worked ;-) Its really hard over the globe ;-)
[20:08] <fsphil> lol
[20:08] <fsphil> it got pretty close, it's rare I'm inside the green circle
[20:08] <DL1SGP> laughs
[20:08] <fsphil> esp. for a pico
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[20:09] <fsphil> it's at an excellent altitude. I hope it makes it around one more time
[20:09] <SA6BSS-Mike> similar I have on my wspr tracker, have orded some boost regulators that I will experiment with, the mcp1640 I fitted does not like the solar startup
[20:09] <SP9UOB-Tom> fsphil: me too, but that PSU issue drives me crazy
[20:10] <SP9UOB-Tom> also, removing APRS path with only 20miliwatts is really bad idea :-(
[20:10] <OZ1SKY_Brian> cw again
[20:10] <SA6BSS-Mike> and some cw
[20:13] <SA6BSS-Mike> SP9UOB-Tom: at what Voltage do u run your board?
[20:14] <DL1SGP> hej OZ1SKY_Brian
[20:14] <OZ1SKY_Brian> Hej Felix
[20:17] <Vaizki> psu issue? so it might not be transmitting in the morning when it's here?
[20:20] <SP9UOB-Tom> SA6BSS-Mike: 2.5 downto 1.9 V
[20:20] <SA6BSS-Mike> ok
[20:20] <SA6BSS-Mike> Vaizki: thats correct
[20:20] <SP9UOB-Tom> there is solar MPPT based on LTC3105 and supercap
[20:21] <SP9UOB-Tom> but it refuses to start at altitude
[20:21] <SP9UOB-Tom> I have tested it for weeks in my backyard and it worked fine
[20:21] <Vaizki> any idea why?
[20:22] <Vaizki> and apparently it starts on some days because it's still live..
[20:22] <SP9UOB-Tom> Vaizki: no idea, i cannod reproduce such failure here
[20:22] <Vaizki> so if it fails to start, it stays dead for the whole day?
[20:22] <SP9UOB-Tom> Vaizki: its 3rd flight with this issue
[20:22] <SP9UOB-Tom> Vaizki: yes
[20:22] <Vaizki> but then next day it might start again?
[20:23] <SP9UOB-Tom> yes
[20:23] <Vaizki> strange indeed
[20:23] <Vaizki> and the battery is always drained down to same voltage before shutdown?
[20:23] <SP9UOB-Tom> well the chip itselw was bought from aliexpress
[20:23] <SP9UOB-Tom> Vaizki: its supercapacitor
[20:24] <SP9UOB-Tom> *itself
[20:24] <Vaizki> MPPT controllers typically need a voltage differential between battery and solar
[20:24] <SA6BSS-Mike> SP9UOB-Tom: I have high hopes for this Buck-Boost Charge Pump http://www.ti.com/lit/ds/sbas221h/sbas221h.pdf
[20:24] <Vaizki> I mean that the solar voltage has to be some volts higher than the supercap voltage in your case
[20:24] <SP9UOB-Tom> Vaizki: im suspecting the 2 Mohm pullup inside the chip
[20:25] <SP9UOB-Tom> small leak, and enable pin is pulled down
[20:26] <SP9UOB-Tom> SA6BSS-Mike: MCP1640 is good, cheap and reliable - but has no MPPT
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[20:26] <Vaizki> SP9UOB-Tom: the 2M pullup on SHDN?
[20:26] <SA6BSS-Mike> uses it on my other battery powerd 70cm tracker with goos result
[20:26] <SP9UOB-Tom> Vaizki: yeah, look: http://cds.linear.com/docs/en/datasheet/3105fb.pdf
[20:26] <Vaizki> yes I have it open
[20:26] <Vaizki> of course :)
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[20:27] <SP9UOB-Tom> Vaizki: it is internally switched between Vin and Vaux
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[20:29] <SP9UOB-Tom> board is covered with plastic paint, so there should not be leaks drom SHDN to GND
[20:29] <Vaizki> have you tried an external pullup?
[20:31] <Vaizki> ah it should be left floating until the chip has started...
[20:31] <SP9UOB-Tom> Vaizki: no, but i'll try to add 2 500kohm one for vin and one for vout
[20:32] <Vaizki> hmm that will also leak from vout to vin then?
[20:32] <Vaizki> ok through 1Mohm but..
[20:32] <SP9UOB-Tom> 1 Mohm with 2.7V
[20:34] <SP9UOB-Tom> Vaizki: or just change the chip with different one, even with no MPPT
[20:40] <SP9UOB-Tom> the tracker in ready-to-fly configuration has 6 grams only http://sp9uob.verox.pl/pliki/pico-25.jpg
[20:40] <OZ1SKY_Brian> SP9UOB-Tom cw again
[20:40] <SP9UOB-Tom> OZ1SKY_Brian: powered from stars ;-)
[20:40] <OZ1SKY_Brian> lol
[20:41] <SA6BSS-Mike> at 13000m its still in sunshine
[20:41] <SP9UOB-Tom> OZ1SKY_Brian: no chances to get fix
[20:42] <SA6BSS-Mike> in the settings panel on habhub u can set daylight overlay
[20:42] <SP9UOB-Tom> SA6BSS-Mike: yeah, but i dont know what the grey levels mean
[20:43] <SP9UOB-Tom> it still sending emails ;-) http://aprs.fi/?c=raw&call=SP9UOB-10&limit=5&view=normal
[20:45] <Vaizki> the gray level means it doesn't get completely dark here ;)
[20:45] <Vaizki> not for several weeks...
[20:46] <Vaizki> it's heading for Pori here..
[20:46] <Vaizki> http://www.gaisma.com/en/location/pori.html
[20:46] <Vaizki> as you can see there is no dawn or dusk for a month from now
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[20:53] <SP9UOB-Tom> Vaizki: maybe then it will not shutdown completly
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[20:53] <SP9UOB-Tom> any transmission ?
[20:53] <OZ1SKY_Brian> no
[20:54] <DL1SGP> fingers crossed SP9UOB-Tom and Vaizki ... .oO( I have been to Pori area once )
[20:54] <x-f> hah, gaisma = light in Latvian
[20:55] <SM0ULC-Reb> Add hysplit to SP9OUB?
[20:55] <OZ1SKY_Brian> SP9UOB-Tom next time uran powerpack :-)
[20:56] <SA6BSS-Mike> 4 days hysplit http://ready.arl.noaa.gov/hypubout/156986_trj001.gif
[20:57] <SM0ULC-Reb> probable out of rnge when i wake up :/
[20:57] <SP9UOB-Tom> !hysplit run SP9UOB
[20:57] <SpacenearUS> 03SP9UOB-Tom: You need to be an admin to do that.
[20:58] <SP9UOB-Tom> OZ1SKY_Brian: plutonium or thorium thermoelectric generator (also provide heat at altitude ;-)
[20:58] <SP9UOB-Tom> admin please !hysplit run SP9UOB
[20:59] <SA6BSS-Mike> SM0ULC-Reb: probably not, it got a range over 400km at 13000m
[20:59] <OZ1SKY_Brian> i hear you can get a bargain on that near Pripjat
[21:01] <SP9UOB-Tom> OZ1SKY_Brian: Im planning to tke a trip to Chernobyl/Pripyat' on march
[21:01] <SA6BSS-Mike> hysplit is avalible on sp9uob-10
[21:01] <SA6BSS-Mike> !hysplit sp9uob-10
[21:01] <SpacenearUS> 03SA6BSS-Mike: HYSPLIT for 03SP9UOB-10 - 12http://spacenear.us/tracker/hysplit_cache/160621-16_155047_SP9UOB10.gif
[21:02] <OZ1SKY_Brian> really, should be interesting, but dont stay too long
[21:02] <SM0ULC-Reb> OZ1SKY_Brian: yeah, from the selfservice pickup yeard ;)
[21:03] <OZ1SKY_Brian> and its a very big pick up yard (sadly)
[21:04] <SM0ULC-Reb> SA6BSS-Mike: well, with a telescopic antenna i don't the best to receive.. :)
[21:04] <SA6BSS-Mike> nop, not realy :)
[21:06] <SA6BSS-Mike> SP9UOB-Tom: its on a regular qualataex 95cm ?='
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[21:20] <SA6BSS-Mike> cool http://earthsky.org/astronomy-essentials/visible-planets-tonight-mars-jupiter-venus-saturn-mercury
[21:20] <SP9UOB-Tom> SA6BSS-Mike: no its custom envelope
[21:20] <SA6BSS-Mike> ok
[21:26] <Vaizki> http://i.imgur.com/qt9heo9.png
[21:26] <Vaizki> ready for the morning I guess..
[21:27] <OZ1SKY_Brian> no signal for a long time now
[21:28] <SP9UOB-Tom> OZ1SKY_Brian: it tries to collect 2.3V on the supercapacitor
[21:28] <SP9UOB-Tom> which is hard... at night ;-)
[21:28] <OZ1SKY_Brian> yeah thats going to be tuff with no real sunlight
[21:29] <SA6BSS-Mike> its in the land of dusk,
[21:29] <SP9UOB-Tom> SA6BSS-Mike: take a photo :-)
[21:30] <SA6BSS-Mike> of the night sky here?
[21:30] <SP9UOB-Tom> SA6BSS-Mike: yes :-)
[21:30] <SA6BSS-Mike> ok
[21:30] <SP9UOB-Tom> SP9UOB-Tom: it should be not too far from you
[21:32] <Vaizki> taking a photo of the night sky is not very useful, it will depend on camera auto exposure how it will look :)
[21:33] <SpeedEvil> and stabilisation
[21:33] <Vaizki> no I meant to evaluate light levels for solar :)
[21:34] <SP9UOB-Tom> Vaizki: good point, use ISO200 with F 1:4 and time 1/50s ;-)
[21:34] <SA6BSS-Mike> http://imgur.com/BuOPVzp
[21:34] <SpeedEvil> ah
[21:35] <SP9UOB-Tom> preety brightly :-)
[21:35] <SP9UOB-Tom> i have complete dark here
[21:36] <SA6BSS-Mike> ok, well, ha it on sek shutter so hard to kepp still so its a little blured
[21:37] <Vaizki> well it's EV -4 here.. :)
[21:41] <SA6BSS-Mike> by the way, ve3kcl wspr balloon is on its way http://qrp-labs.com/ultimate3/ve3kcl-balloons/ve3kcl-s12.html
[21:41] <SA6BSS-Mike> going under the call Ve3ocl
[21:43] <SP9UOB-Tom> ok, have to go to bed
[21:44] <SP9UOB-Tom> Brian, Mike thanks for yours time :-)
[21:45] <SA6BSS-Mike> np, I keep the radio running, hopefully it start in the morning . gn
[21:45] <SP9UOB-Tom> good night all
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[00:00] --- Wed Jun 22 2016