highaltitude.log.20160815

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[02:07] <SpacenearUS> New vehicle on the map: 03CALLSIGN123_chase - 12https://tracker.habhub.org/#!qm=All&q=CALLSIGN123_chase
[02:48] <SpacenearUS> New vehicle on the map: 03(214)723-9758_chase - 12https://tracker.habhub.org/#!qm=All&q=(214)723-9758_chase
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[06:00] <SpacenearUS> New position from 03S-16 after 035 days silence - 12https://tracker.habhub.org/#!qm=All&q=S-16
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[09:12] <M0RJX> Any recommendations on a good 3d printer UK pounds 1000-2000
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[09:58] <AndyEsser> M0RJX: maker bots are about £999 I think
[09:59] <AndyEsser> https://store.makerbot.com/printers/replicator/
[09:59] <AndyEsser> Err, US$1,999
[09:59] <craag> If you're after large prints then I hear BigBox are rather good
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[10:00] <craag> No personal experience but I know a few people in the company and we contract some printed parts from them.
[10:04] <AndyEsser> o0o that's a nice size
[10:05] <mfa298> some of the makerbot clones are as good and about half the price
[10:05] <mfa298> I've used the flashforge creator before.
[10:07] <AndyEsser> mfa298: a 3d printer is definitely on my company's wishlist in the next couple months :)
[10:07] <AndyEsser> perfectly designed HAB payload box for my tracker, with appropriate insulation and cushioning :)
[10:10] <mfa298> I've got a cheap (£150) prusa i3, but not had much success with it so far (cm13g09 might be doing a bit better with his)
[10:11] <AndyEsser> tbh, I think I can justify a business expense of a relatively decent one, and can potentially try to make some money from it as well
[10:11] <AndyEsser> so would rather not go really cheap
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[10:14] <mfa298> if you want to print more than tinker than the slightly better ones are probably worth the expense.
[10:16] <AndyEsser> Yea, was my thinking
[10:16] <AndyEsser> also the cheaper ones tend to take _forever_ to print
[10:18] <mfa298> it was an earlier version of this I've used before which seemed to do pretty well http://www.flashforge.com/creator-pro-3d-printer/
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[10:40] <AndyEsser> mfa298: pwetty
[10:41] <mfa298> I think they started out as a chinese clone of the makerbots, but seem to be a good clone and actually provide some support
[10:45] <AndyEsser> woo, keycard is now programmed to actually unlock my office
[11:03] <SpacenearUS> New position from 03IV3SRD-11 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
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[11:07] <M0RJX> AndyEsser, Thanks for that
[11:08] <AndyEsser> pas probleme
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[11:25] <Bencls> Parachutes, Should I make it myself or get a pre-done one?
[11:31] <daey> AndyEsser: are these resin printers getting anywhere?
[11:37] <Bencls> how do I know how much helium to fill the balloon with?
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[11:38] <fsphil> Bencls: this can be used to find out the fill amount: http://habhub.org/calc/
[11:38] <Vaizki> Bencls, calculate roughly then measure the lift at launch
[11:38] <fsphil> parachute, if you're uncertain then just use a commercial ones
[11:39] <daey> fsphil: would an "until it generates enough lift" work out?
[11:39] <fsphil> um?
[11:39] <daey> i mean fill it until it is roughly in an equilibrium lift==weight. then add a bit more
[11:40] <fsphil> not if you want a decent ascent rate
[11:41] <daey> y it wouldnt be precise, i was just wondering if it would be sufficient.
[11:41] <daey> apparently not
[11:41] <fsphil> well underfill could risk floating / losing the payload
[11:41] <fsphil> overfill will reduce altitude and be a waste of helium
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[11:42] <fsphil> I've done the equilibirum + a bit thing when I'm intending it to float
[11:43] <daey> i still dnont get how floating is even possible with non zero pressure balloons
[11:43] <fsphil> the latex becomes a zero pressure balloon
[11:43] <fsphil> er
[11:43] <fsphil> super pressure
[11:43] <daveake> Try breaking an elastic band
[11:43] <fsphil> you could do zero pressure with a latex too, but it would have to be a big balloon
[11:44] <daey> i just thought that this would lead to more expansion > more lift > balloon rises > pressure drops > more expansion circle
[11:44] <daveake> It's elastic till it's fully extended, then you need to apply a lot more force to break it
[11:44] <Bencls> I need to know how much to order too
[11:44] <daey> i see
[11:45] <fsphil> Bencls: that calculator will give you a rough idea of the amount too, but I'd suggest always getting more
[11:45] <Bencls> Burst Altitude:32273 mAscent Rate:5.00 m/sTime to Burst:108 minNeck Lift:1156 gVolume:1.91 m31906 L67.3 ft3 <-- Which number?
[11:45] <SIbot2> In real units: 3 ft = 0.91 m
[11:46] <daey> a zero pressure balloon doesnt have an advantage if you are going for max height?
[11:46] <fsphil> volume, iirc. been a while
[11:46] <daey> wondering because the last record was iirc. done with a latex balloon
[11:46] <fsphil> the last record wasn't a floater
[11:47] <daey> not saying it was
[11:48] <fsphil> I'm not sure what matters most for max altitude
[11:48] <daey> i just expected that it would be necessary to dump helium on the way up. which the zero pressure balloon can easily do
[11:49] <fsphil> don't think dumping helium would help with altitude
[11:49] <mfa298> except as you dump gas you lose lift so you don't want to dump too much gas.
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[11:49] <fsphil> unless it's overfilled at launch
[11:49] <fsphil> there's probably a sweet spot for the amount of helium
[11:50] <daey> the airpressure doesnt drop linear, so i assumed you might need more on the bottom than you would at the top. maybe its even the other way around in which case it wouldnt make sense to dump anything
[11:51] <mfa298> my gut instinct is that a ZP probably isn't any better than a normal latex for altitude unless you maybe go for something very big
[11:52] <fsphil> yeah
[11:52] <fsphil> latex is probably not the best material too
[11:53] <mfa298> altitude records seem to be a balance of material weight vs material tension vs volume it can hold.
[11:56] <SpacenearUS> New position from 03SP5RZP-11 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP5RZP-11
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[12:17] <samme> HI. I was testing how long my battery works, well my lithium batteries are drawning instanteously and I still havent placed them in the freezer. I have used alkaline batteries and they work fine (circuitry seems okay). Why are the lithium ultimate batteries draining so fast?
[12:17] <adamgreig> how fast?
[12:17] <adamgreig> sounds like possibly a fault in your circuit
[12:17] <samme> new cells 6AA 10.77V and within a minute 10:45V
[12:18] <samme> well i used alkaline batteries and they worked for 13 hours
[12:18] <adamgreig> are they in fact still working?
[12:18] <adamgreig> 10.77 to 10.45 is probably just the voltage dropped over the internal resistance
[12:19] <samme> u mean lithium cells?
[12:19] <adamgreig> yes
[12:19] <mfa298> samme: it might be worth finding the datasheet for the batteries as it probably has a discharge curve so you can compare what you see with what it should do
[12:19] <adamgreig> their nominal voltage is 1.5V on the data sheet, so 9V is nominal for a 6x pack
[12:19] <Darkside> the energizer lithiums will drop from 1.8 down to about 1.5-1.6 and stay there for a while
[12:19] <daveake> http://data.energizer.com/PDFs/l91.pdf
[12:19] <daveake> this behaviour (sharp drop then flat) is perfectly normal
[12:20] <samme> phewwww! got me thinking, got it, will test and see how long do they last
[12:20] <mfa298> 0.3v over 6 batteries doesn't sound like that much of a drop either - 0.05v per cell drop on average
[12:23] <adamgreig> yea I'm sure the normal alkaline AAs would drop a loT more
[12:30] <samme> got it. thanks :D
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[12:46] <arjunnaha> Is there a 3D printer capable of printing EPS?
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[12:48] <craag> EPS is moulded from steamed beads and then allowed to set iirc
[12:49] <craag> so yes, but not at the size/convenience you're thinking of I think ;)
[12:54] <arjunnaha> So, I'll have to stick to manual methods to make payload boxes
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[13:01] <SpacenearUS> New position from 03OM3BC-13 after 0316 days silence - 12https://tracker.habhub.org/#!qm=All&q=OM3BC-13
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[13:03] <Vaizki> arjunnaha, you could cut eps with a cnc hotwire cutter :)
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[13:04] <arjunnaha> looks expensive ;)
[13:04] <Vaizki> or maybe even a laser cutter for that matter
[13:07] <arjunnaha> We weren't allowed to use EPS on the laser cutter at school, because "it makes a lot of mess" and it doesn't work very well on the machine we have
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[13:18] <Bencls> How long does it take for the CAA to respond to an email application?
[13:19] <Bencls> I sent an application almost a month ago and have heard nothing
[13:20] <richardeoin> Bencls: that's normal
[13:20] <richardeoin> have a read of the 'permission' section http://www.daveakerman.com/?p=1732
[13:20] <Bencls> when do they respond then?
[13:25] <edmoore> maybe 48hrs before
[13:25] <edmoore> chase them if you haven't heard 48 hours before
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[13:38] <Ian_> arjunnaha the cheapest eps hot wire cutter can be made from a (12V 4A in my case) battery charger and a length of stainless steel wire - such as used by beekeepers to wire frames.
[13:40] <Ian_> To get the right temperature you use a longer length. About 330mm takes around 3A. A car battery can be used.
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[13:46] <SpeedEvil> arjunnaha: Find a narrow bladed sharp knife, wet the area down with a spray of soapy water.
[13:46] Nick change: lz1dev_ -> lz1dev
[13:46] <daveake> I prefer the extruded rather than expanded. Much easier to cut and less messy.
[13:46] <arjunnaha> I've got a cutter but it's absolutely vicious, it completely annihilates the block
[13:47] <daveake> The wire ones are fine
[13:47] <daveake> There's cheap handheld thing or you can get a table type
[13:47] <daveake> Or just use the extruded stuff and a craft knife
[13:48] <arjunnaha> I've got this one: https://www.amazon.co.uk/Nordstrand-PWT-FC01-Electric-Styrofoam-Thermal/dp/B013QXHNQ6/ref=sr_1_8?ie=UTF8&qid=1471268877&sr=8-8&keywords=hot+wire+cutter
[13:48] <daveake> ooh no don't use that thing :)
[13:48] <daveake> I have one and yeah it's a bit OTT
[13:49] <daveake> this is much much better https://www.amazon.co.uk/ST106-WIRE-POLYSTYRENE-FOAM-CUTTING/dp/B00BJOML8K/ref=sr_1_1?ie=UTF8&qid=1471268956&sr=8-1&keywords=hot+wire+cutter
[13:49] <arjunnaha> dunno what this is, might be EPS or XPS https://usercontent.irccloud-cdn.com/file/W3rFPS6n/irccloudcapture-856929530.jpg
[13:50] <daveake> that's the extruded stuff
[13:50] <daveake> I generally use 10mm sheets of it
[13:50] <arjunnaha> I think we were using a bandsaw to cut some stuff
[13:50] <daveake> I put the GPS on the outside - no need to try and melt a hole for it
[13:51] <arjunnaha> DT teacher came up to me, when I was using a blade and said why don't you use this. *sigh*, had just finished the box
[13:51] <arjunnaha> It was much easier to use that than a blade
[13:52] <arjunnaha> Always next time for these things
[13:52] <daveake> Blade is fine if the sheet is thinner
[13:53] <daveake> Really, 100mm sheet, craft knife, ruler, set square. Easy peesy.
[13:53] <daveake> er 10mm
[13:53] <daveake> If you need any round holes (e.g. for camera lens) cookie cutters are handy
[13:54] <arjunnaha> Haha, the sheet we used was 50mm
[13:54] <arjunnaha> We had three of them
[13:54] <arjunnaha> lol
[13:54] <arjunnaha> Idea was to put them together and cut holes for what we needed. Didn't think of the overheating problem, thought that our design would protect it from the cold
[13:54] <Bencls> How much of the baloon is lightly to remain after in bursts (calculating parachute size)
[13:55] <daveake> Anything between almost nothing (neck only) and 2/3rs of the balloon, IME
[13:56] <Bencls> what velocity should I be aiming for on the decent then?
[13:56] <daveake> 5m/s is the generally accepted landing speed
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[13:57] <Bencls> ok, so should I be making it with the assumption that 2/3rds remains (and have that fall at 5m/s) or with the assumption that almost nothing remains?
[13:57] <adamgreig> is 5m/s still ok if my payload is very sharp and quite heavy?
[13:58] <AndyEsser> adamgreig: make the pointy bit go up ;)
[13:58] <adamgreig> alas, you know what they say about things that go up
[13:58] <adamgreig> (must come down)
[13:58] <AndyEsser> if this is for the project I'm thinking
[13:58] <AndyEsser> then you just need a bigger engine to achieve orbit ;)
[13:58] <AndyEsser> and thus, doesn't need to come back down, from our relative frame of reference of "down"
[13:59] <fsphil> douglas adams said it best
[13:59] <fsphil> aim for the ground, and miss
[13:59] <AndyEsser> ha
[13:59] <AndyEsser> I love that
[13:59] <adamgreig> honestly I really hope we hit the ground and don't miss
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[13:59] <AndyEsser> ha
[14:00] <AndyEsser> it would be impressive if you missed when you didn't mean to
[14:00] <AndyEsser> I beleive it more commonly happens the other way around
[14:00] <adamgreig> I mean I hope we don't miss the ground and hit something on it instead
[14:02] <SpeedEvil> daveake: with teh above setup - narrow bladed thin knife - I could do 100mm easily
[14:02] <adamgreig> parachute is sized for 6m/s descent which is ok for habs right :P
[14:03] <daveake> SpeedEvil: Not sure I could ... it'd be difficult to keep the knife at right angles to the block
[14:03] <daveake> adamgreig - spears of death - check :p
[14:04] <adamgreig> more like javelin of death
[14:04] <adamgreig> but this puts thick copper antennas to shame tbh
[14:04] <daveake> I bet
[14:05] <daey> use a rod below as the antenna, and cut it diagonally ______/
[14:05] <adamgreig> https://agg.io/u/dart.png
[14:06] <daey> i think we are on a good way to get it all banned :>
[14:06] <daey> fill it with lawndarts
[14:07] <adamgreig> https://agg.io/u/dart_nose.jpg
[14:07] <daey> they actually used stuff like that in the vietnam war.
[14:07] <fsphil> impressive
[14:07] <daey> apparently its comparable to .50cal
[14:08] <adamgreig> lol, that ^ is 173 calibres
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[14:16] <daey> adamgreig: energy wise
[14:16] <adamgreig> how much energy does a 50cal have?
[14:16] <daey> adamgreig: cant check pictures atm. so not sure what you posted. i was refering to the ones they used in vietnam
[14:17] <daey> iirc 16k joule
[14:17] <adamgreig> haha
[14:17] <adamgreig> that v^2 dependency gives this a bit of an upper hand
[14:17] <daey> so yes easily hammers through a house roof and more :P
[14:17] <adamgreig> 6MJ at peak v
[14:19] <daey> adamgreig: the thing you posted? is that a satellite launched dart?
[14:19] <daey> 6MJ sounds a bit...off the charts
[14:19] <adamgreig> hah
[14:19] <adamgreig> quite a lot of energy really
[14:20] <adamgreig> though in the scheme of things it's not that much. would power my phone for a few months or whatever
[14:20] <daey> its a projectile. not a bomb :P
[14:23] <Laurenceb> someone pinged me recently?
[14:23] <Laurenceb> I see ping but nothing in scrollback lol
[14:29] <edmoore> Laurenceb:
[14:30] <Laurenceb> hi
[14:33] <Bencls> http://www.ebay.co.uk/itm/High-Altitude-Weather-Balloons-foil-sealed-Parachutes-200g-600g-1200g-/261224601780?var=&hash=item3cd23318b4:m:mMvEcLJfgu5JdYRqm60J3Tw <-- are these any good?
[14:34] <edmoore> Bencls: hard to tell. Almost everyone here buys from Random Engineering Ltd
[14:35] <edmoore> they are a known-good importer of the proper kaymont and totex and howyee balloons
[14:35] <edmoore> and also they (which is to say, Steve) is a grand-father of hab in the uk
[14:36] <Bencls> zok
[14:36] <edmoore> http://randomsolutions.co.uk/Random_Aerospace/Balloons.html
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[14:54] <daveake> "send a potato into space like Heston" oh dear
[14:55] <daveake> Those I think are Pawans. Get a Hwoyee or Totex from Ed's link instead
[14:56] <daveake> I've had 1 Pawan with what Steve and I think is bacterial growth on it (despite the sealed bag), and another that burst 10km too early
[14:56] <edmoore> he's left daveake
[14:57] <daveake> ta hadn't noticed (obv)
[14:57] <adamgreig> at least they mention needing the caa thing
[14:57] <adamgreig> but i like the idea of inflating it by mouth
[14:58] <edmoore> ha
[14:58] <daveake> "Balloon Weight: 2000g - A very special balloon to lift heavier payloads"
[14:58] <daveake> or burst early and land in a firing range
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[14:59] <daveake> Oh, and that form DAP1919 is the wrong one
[14:59] <adamgreig> aw, they tried
[14:59] <daveake> they did
[15:10] <M0RJX> hey edmoore
[15:10] <M0RJX> Hope life is treating you well
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[15:14] <edmoore> hey M0RJX it is!
[15:14] <edmoore> got back last night from a nice trip in the US
[15:16] <edmoore> i kind of want to share with the world how amazing the fun and red the geology is in utah and arizona https://www.flickr.com/photos/eroomde/
[15:16] <edmoore> very alien
[15:18] <M0RJX> internet slow here
[15:19] <M0RJX> omg, the grand canyon
[15:20] <M0RJX> I like the hedgehog
[15:21] <edmoore> there's the GC, Zion, CanyonLands, Arches and Monument Valley all there
[15:21] <edmoore> all really part of the big uplift of sandstone from the collision with the pacific plate
[15:22] <M0RJX> Nice pics
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[16:51] <samme> Hi. I used AA alkaline batteries to test my thermal stability, the battery immediately after removing was 6.5V which was hours ago. I just checked the voltage again and now it displays 7.75V. the same thing happened for my 9V alkaline battery (the voltage ascended). How?
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[16:52] <SpeedEvil> batteries recover some voltage when unloaded
[16:52] <samme> but 1V seems alot, doesnt it?
[16:53] <mfa298> are you testing the batteries in the same setup each time. whilst powering the pi, same temperature etc.
[16:53] <SpeedEvil> samme: nope
[16:54] <samme> temperature did defer
[16:54] <samme> and the total duration
[16:54] <mfa298> samme: is this still the 6 batteries you had earlier, if so that's about 0.2V / cell which isn't that unreasonably if your going from pi under load in the freezer to batteries not loaded at room temperature
[16:55] <samme> these are not the lithium batteries,those were alkaline. lithium battery testing in progress xD
[16:56] <SpeedEvil> samme: this is entirely expected and usual
[17:04] <SpacenearUS> New position from 03TT7F after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=TT7F
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[17:26] <mfa298> seems like E.On need SIbot2 http://www.bbc.co.uk/news/business-37079287
[17:30] <Ian_> samme a month or so one package was lost and another nearly so. the reason was that alkaline batteries were used instead of Ultimate Lithium. Take a tip and fly Ultimate Lithium.
[17:33] <M0RJX> is it quite easy to get a payload string approved for testing?
[17:34] <mfa298> M0RJX: you should just need a payload doc to get on the map which doesn't need approving
[17:35] <M0RJX> ok cool I'l give it a go
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[17:39] <david5652323> Hi guys
[17:40] <david5652323> I have a question on decoding telemetry with dl-fldigi.
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[17:41] <david5652323> My setup is a Pi-in-the-Sky transmitting from my rooftop, RTTY on 70cm and APRS on 2m.
[17:41] <david5652323> I am decoding with an rtl-sdr dongle, running GQRX into dl-fldigi.
[17:42] <david5652323> I can decode both RTTY and APRS. APRS I cannot verify, but RTTY doesn't decode reliably.
[17:42] <david5652323> Out of 80 packets I've decoded one good one (green).
[17:42] <david5652323> Any pointers on where to look?
[17:45] <edmoore> what antennas are you using at each end david5652323 ?
[17:45] <M0RJX> is htere a simple way to upload a sentance to habitat I'm not using dl-fldigi?
[17:46] <M0RJX> Web frontend perhaps :-) Curl it in ?
[17:46] <david5652323> At the PiTS-side a small groundplane for 70cm and a 2m small mobile whip.
[17:47] <david5652323> At the receive end the little whip antenna that came with the rtl-sdr dongle.
[17:47] <edmoore> and on the receiver side?
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[17:48] <edmoore> do you know if you have anything inteferingy nearby the dongle?
[17:48] <edmoore> ethernet-over-powerline or anything else similarly obnoxious?
[17:49] <david5652323> Nope, it's plugged into a laptop and there's a transceiver nearby but that's just monitoring 144.800...
[17:49] <david5652323> Don't see much interference in GQRX either.
[17:49] <edmoore> could you post a screenshot of what you are seeing in dl-fldigi during rtty transmission?
[17:51] <david5652323> GQRX: https://s4.postimg.org/yaqlyu6kt/Screenshot_from_2016_08_15_19_48_02.png
[17:51] <david5652323> dl-fldigi: https://s3.postimg.org/ut69yvyhf/Screenshot_from_2016_08_15_19_51_12.png
[17:52] <edmoore> that looks pretty horrendous in fldigi
[17:53] <edmoore> well, turn off sql for one
[17:53] <edmoore> bottom right
[17:53] <edmoore> and see if that helps
[17:54] <david5652323> Nope, didn't improve much..
[17:54] <david5652323> What do you mean with "looks pretty horrendous in fldigi"?
[17:54] <david5652323> Signal level too low?
[17:55] <edmoore> yeah
[17:55] <edmoore> should be two fairly clean peaks
[17:55] <edmoore> rather than a general yellow smudge
[17:56] <edmoore> i don't use gqrx so don't know enough to know if it's a settings problem with that
[17:56] <david5652323> Where to look for improvements? I guess with the TX up on my roof into a ground plane and with the stock antenna that came with the rtl-sdr dongle it should get enough signal.
[17:56] <david5652323> I am struggling a bit with setting audio levels so maybe it's an issue on the audio side.
[17:57] <david5652323> Looking at the decoding with dl-fldigi page the screenshot looks like a similar smudge http://www.pi-in-the-sky.com/data/uploads/tracking/dl4.jpg
[18:06] <david5652323> I decreased the LNA gain and disabled AFC in GQRX, now it's beginning to decode SSDV packets. I guess it's a GQRX reception issue after all...
[18:08] <david5652323> I am beginning to douobt if I am overdriving my RX setup because my TX is so close...
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[18:11] <david5652323> An unreated question: where is dl-fldigi storing the received telemetry strings and SSDV packets?
[18:14] <Geoff-G8DHE-Tab> Ssdv as configured in the DL config pages, text telemetry in the TALK folder either under Users or the install/config folders
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[18:19] <david5652323> I found the SSDV files, but the dl-fldigi talk folder is empty. Is this a config setting I should enable?
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[18:36] <fsphil> M0RJX: http://habitat.habhub.org/manual_upload/
[18:37] <fsphil> dl-fldigi won't save ssdv images by default, you have to enable it by setting a directory
[18:38] <M0RJX> fsphil, yeah I had a look at that and well confusing... Is it really quite easy using that code?
[18:39] <fsphil> that link is for manually posting via a web form
[18:39] <fsphil> is it code you're after?
[18:40] <M0RJX> Yeah I want to upload some test sentances from my tracker but it can't tx them atm to anything so I need to manuallly upload
[18:40] <fsphil> right, then just enter them into that form
[18:40] <M0RJX> doh Cool I was reading the source :-)
[18:41] <M0RJX> Not the html source but python in the manual
[18:41] <M0RJX> I guess I can just curl it in using that url?
[18:42] <fsphil> yeah you could probably emulate the form. wouldn't count on that working forever though
[18:44] <M0RJX> no this is a hack:
[18:46] <SpacenearUS> New vehicle on the map: 03icarusIV - 12https://tracker.habhub.org/#!qm=All&q=icarusIV
[18:46] <daveake> woo :)
[18:47] <daveake> and, given the location, why are you working? :)
[18:47] <fsphil> hah
[18:48] <fsphil> that isn't work. hacking is what holidays are for :)
[18:48] <M0RJX> fsphil, absolutly
[18:48] <M0RJX> daveake, :-)
[18:49] <fsphil> !whereis icarusIV
[18:49] <SpacenearUS> 03fsphil: 03icarusIV is near 0329.01151,-13.54399 at 03146 meters
[18:49] <fsphil> aww, didn't resolve it to a name
[18:49] <fsphil> hey, take a spin by 0,0 on the way home. only a short detour
[18:50] <M0RJX> One last noob question how do I just observe one flight on the tracker? I foten bring up the last hours flights and then want to view just one of those flights am i midding something ie an area to click on ?
[18:50] <daveake> hmm ... payload testing ... business expense .......
[18:50] <M0RJX> fsphil, I have a surprice coming later :-)
[18:50] <fsphil> no idea on the tracker itself, but here I type !track <payloadname>
[18:50] <fsphil> !track icarusIV
[18:50] <SpacenearUS> 03fsphil: Here you go - 12https://tracker.habhub.org/#!qm=All&q=icarusIV
[18:50] <fsphil> that link will show just the one payload
[18:51] <M0RJX> !track icarusiv
[18:51] <SpacenearUS> 03M0RJX: Here you go - 12https://tracker.habhub.org/#!qm=All&q=icarusiv
[18:51] <daveake> Or, in the tracker page, type in the payload ID in the search box (top left) and hit enter or the search button
[18:51] <daveake> For multiple payloads it's payload1;payload2 etc
[18:51] <M0RJX> exciting note the temp in the house. Thats why i'm inside
[18:52] <fsphil> I was on gran canaria once when I was a kid. my only memory was of the heat, ants, spiders and the landscape that looked like mars
[18:53] <M0RJX> thanks daveake I knew I was missing something
[18:53] <M0RJX> Yep it's very mars like
[18:53] <fsphil> oh and lack of birds. didn't see a single bird in the air
[18:54] <daveake> They're too fat from eating spiders
[18:54] <fsphil> hah
[18:54] <fsphil> or the other way aronud
[18:54] <fsphil> they where freaky looking spiders
[18:54] <M0RJX> I've nearly finsished writing a ubx tester that takes a kml files and vomits ubx protocol
[18:55] <M0RJX> going to write an I2C module which you can poll for the ubx and you will get the next response
[18:55] <daveake> This sounds suspiciously like "testing"
[18:55] <M0RJX> is there a way to clear a flight down :-)
[18:56] <daveake> Dunno; used to be and I used to have access but it's all changed
[18:56] <M0RJX> daveake, yep to make sure my code is good
[18:56] <daveake> novel :)
[18:56] <M0RJX> Me too but that was space near us
[18:57] <M0RJX> daveake, got some lora decodes yesterday
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[18:57] <daveake> Another chance on Wednesday
[18:57] <M0RJX> O btw I hgave tried to pull your updates but I'm not geting anything for the lora-gw
[18:57] <daveake> Should be flying lora 434 again, and maybe 868
[18:58] <daveake> I didn't update the gateway
[18:58] <M0RJX> 434 would be good for me as I dont have anything connected to 868 radio @-)
[18:58] <daveake> :)
[18:58] <daveake> It's wideband at 10% DC
[18:58] <M0RJX> Ahh I thouhght you put in some fix so that I could decode on CE0
[18:59] <daveake> No it was a tx issue
[18:59] <M0RJX> Ahh yeah doh !!!
[18:59] <daveake> No decoding issues that I k now of
[18:59] <daveake> A few UI changes to come
[18:59] <M0RJX> It was my TX not the RX
[18:59] <fsphil> reminds me, got a small fix to push
[19:00] <M0RJX> was my meger helping any use
[19:00] <M0RJX> basically a sprinf to XXX.XXX.X Mhz
[19:00] <daveake> Not looked at the gw stuff yet
[19:00] <M0RJX> I get lost after 3 numbers
[19:01] <daveake> Might just be you :p
[19:01] <M0RJX> Yep
[19:01] <fsphil> the second decimal point is a bit odd
[19:01] <fsphil> might be better as a comma
[19:01] <daveake> Maybe dim the last 3 digits
[19:02] <M0RJX> or only show the first 6
[19:02] <M0RJX> the final digit on;y gets change by AFC as far as I can see
[19:02] <daveake> If I get tidy it up in time, I'll run dl-fldigi decoding on the chase-car Pi for Wednesday's flight
[19:03] <M0RJX> ssdv?
[19:03] <daveake> well it can do but I'll probably only tx telem
[19:04] <daveake> If I run all 3, it'll be ssdv on 868 lora, and telem on 868/434 lora + 434 rtty
[19:04] <M0RJX> What do you need to tidy?
[19:05] <daveake> The UI for the Pi touchscreen
[19:05] <daveake> So a button brings the dl-fldigi window up
[19:05] <daveake> plus autostart dl-fldigi
[19:05] <daveake> not much
[19:05] <M0RJX> ooh nice. I ordered one of those last night
[19:06] <daveake> On a bigger screen https://twitter.com/daveake/status/764769043794563072
[19:08] <M0RJX> vnice was it easy to compile ?
[19:09] <daveake> Yeah just follow the ubuntu instructions in the wiki
[19:09] <daveake> except don't do the line for the fldigi dependencies - doesn't work and not needed anyway
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[19:11] <craag> jcoxon: wifi boards received
[19:11] <craag> sold one already :)
[19:12] <M0RJX> ooh craag what does the wifo board do?
[19:13] <craag> M0RJX: It's an rfm69 and esp8266 that acts as gateway and receiver
[19:14] <craag> https://hasnet.supplies/kits/ebulobo_0.2
[19:14] <craag> ukhasnet
[19:14] <craag> might have got irc channels mixed up jsut now...
[19:15] <craag> ukhasnet is some 868MHz mesh networking that we've been developing/playing with
[19:16] <craag> #ukhasnet is the channel I was aiming for ;)
[19:21] <daveake> my phone autocorrected "ukhas" as "ukhasnet" a few days ago :)
[19:21] <craag> yesss the virus is ssspreading..
[19:22] <fsphil> google used to suggest "ukhasnot" for ukhas
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[19:22] <craag> that was v.1, we dont talk about that..
[19:22] <fsphil> hah
[19:23] <daveake> Anyone recognise this? Was photographed in the Cotswolds today https://ton.twitter.com/1.1/ton/data/dm/765265236685385731/765265236714807297/uhU48bQn.jpg
[19:23] <fsphil> *hasnet, the world domination version
[19:23] <fsphil> daveake: 404 here
[19:23] <craag> 404 here daveake ?
[19:23] <fsphil> ah not just me
[19:23] <daveake> oh sry 1 sec
[19:23] <fsphil> it usually is
[19:24] <daveake> http://imgur.com/a/CQDcf
[19:24] <fsphil> not loading either
[19:26] <daveake> https://dl.dropboxusercontent.com/u/368443/HAB/LoadYouDamnImage.jpg
[19:26] <craag> works here
[19:26] <craag> hmm double party balloon
[19:26] <daveake> yeah
[19:26] <fsphil> weird. imgur link still broke here but the dropbox one is fine
[19:26] <daveake> ok
[19:27] <fsphil> could just be balloon and weight
[19:27] <fsphil> cord looks like the typical party-balloon cord
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[19:33] <daveake> yeah
[19:36] <fsphil> daveake: suggestion, rename the git version of gateway.txt to gateway.txt.example
[19:36] <fsphil> and add gateway.txt to .gitignore
[19:36] <fsphil> so local changes don't get detected/committed/overwritten
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[19:39] <fsphil> ah there's already a gateway-sample.txt. just need to remove gateway.txt
[19:42] <daveake> yeah I missed that last bit
[19:42] <daveake> so the file came back
[19:42] <mfa298> I think there's a way to comit a config file with the right name, although I can't remember how off hand, the .sample version tends to be easier
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[19:56] <M0RJX> daveake, just a thought your sha for the document id will it be different on every gw or the same
[19:56] <daveake> Yeah needs to be different
[19:56] <M0RJX> Thinking about the lack of decode counts?
[19:56] <daveake> This has been mentioned :-)
[19:56] <M0RJX> Doh too late as ever
[19:56] <daveake> :-)
[19:57] <M0RJX> Was looking at the code earlier and saw how you set the id and thought this might be the problem
[20:04] <daveake> Thanks fsphil. I like this open source thing with others doing my work for me :-p
[20:06] <fsphil> currently doing anything but actual work
[20:09] <daveake> Good plan
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[20:12] <M0RJX> anyone online who knows how to clear dlown a payload?
[20:12] <M0RJX> down
[20:12] <M0RJX> Off habitat
[20:15] <fsphil> lz1dev should know
[20:17] <fsphil> I need another desk for all the junk on my desk
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[21:25] <Upu> M0RJX: you mean remove it from spacenear.us/the tracker ?
[21:25] <Upu> I can do that
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[22:19] <M0RJX> opps been coding
[22:19] <M0RJX> Upu, habitat? or spacenear.us
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[23:06] <SpacenearUS> New position from 03IV3SRD-11 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
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[00:00] --- Tue Aug 16 2016