highaltitude.log.20150210

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[00:37] <SpacenearUS> New vehicle on the map: 03ea5177ure_chase - 12http://tracker.habhub.org/#!qm=All&q=ea5177ure_chase
[00:41] <SpacenearUS> New vehicle on the map: 03KF5PGW-6 - 12http://tracker.habhub.org/#!qm=All&q=KF5PGW-6
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[02:50] <SpacenearUS> New vehicle on the map: 03AIRCOR-1 - 12http://tracker.habhub.org/#!qm=All&q=AIRCOR-1
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[03:50] <SpacenearUS> New vehicle on the map: 03ATSAT-3 - 12http://tracker.habhub.org/#!qm=All&q=ATSAT-3
[03:53] <SpacenearUS> New vehicle on the map: 03VENUS1-2 - 12http://tracker.habhub.org/#!qm=All&q=VENUS1-2
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[08:36] <SpacenearUS> New vehicle on the map: 03Matt_chase - 12http://tracker.habhub.org/#!qm=All&q=Matt_chase
[08:38] <craag> !whereis Matt_chase
[08:38] <SpacenearUS> 03craag: 03Matt_chase is over 03Gers, France 10(43.51602,0.63712) at 0312308 meters
[08:38] <mattbrejza> lol
[08:38] <daveake> "over" :)
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[08:39] <SpacenearUS> New position from 03E29AJP-11 after 0321 hours silence - 12http://tracker.habhub.org/#!qm=All&q=E29AJP-11
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[08:41] <mattbrejza> https://docs.google.com/file/d/0B3Urttk8BK7kbWQtSUZoUmxoMVE/edit?usp=docslist_api
[08:42] <daveake> nice view from the car
[08:45] <mattbrejza> can catch habs even before they hit the ground
[08:46] <infaddict> morning
[08:46] <Vaizki> & coffee
[08:47] <SpacenearUS> New vehicle on the map: 03matt-mt_chase - 12http://tracker.habhub.org/#!qm=All&q=matt-mt_chase
[08:48] <Vaizki> ok so now matt has landed at BCN?
[08:48] <infaddict> matt are you using the iOS app for chase car tracking? i tried it on my iphone and it wont track me despite me allowing it to use location services.
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[08:49] <mattbrejza> not sure why some apps think im still in bcn
[08:49] <mattbrejza> na currently over france
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[09:36] <SpacenearUS> New vehicle on the map: 03WIDE1-1 - 12http://tracker.habhub.org/#!qm=All&q=WIDE1-1
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[09:36] <fsphil> oh dear
[09:40] <daveake> I suspect that at least one person has an alarm set up to wake him when that happens
[09:40] <Maxell> LOL
[09:40] <Maxell> http://aprs.fi/info/?call=WIDE1-1
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[09:51] <mfa298> does aprs.fi have an icon for angry hams with pitchforks / shotguns going after the poor person that used the wrong settings on a balloon.
[09:52] <Darkside> oh dear
[09:53] <edmoore> what's happened?
[09:53] <UpuWork> 09:38] <SpacenearUS> New vehicle on the map: WIDE1-1 - http://tracker.habhub.org/#!qm=All&q=WIDE1-1
[09:53] <Darkside> someone launched a balloon with the APRS callsign of WIDE1-1
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[09:54] <Piet0r> Woops :p
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[10:02] <infaddict> excuse my ignorance but whats wrong with that callsign? is it bad etiquette?
[10:03] <edmoore> oh lol
[10:03] <edmoore> infaddict, so wide1-1 is an aprs command
[10:03] <infaddict> ah
[10:04] <edmoore> telling the aprs system how many times to repeat/pass on messages
[10:04] <daveake> the evil one
[10:04] <edmoore> yes moroever it's a greedy one i think
[10:05] <daveake> Yes, every time someone uses it on a balloon, it creates an avalanche of messages ...
[10:05] <daveake> ... from incessant hams
[10:05] <edmoore> it can actually cause problems too
[10:05] <fsphil> packet storms
[10:05] <daveake> yup
[10:05] <edmoore> i do remember watching a few years ago as one balloon in arizona brought down almost the whole system with a 1000m radius
[10:06] <infaddict> urgh ok i see, thanks for explaining guys ;-)
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[10:24] <db_g6gzh> looking at the raw packets that WIDE1-1 looks like one from E29AJP-11 which got corrupted somewhere in the network
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[10:48] <SpacenearUS> New vehicle on the map: 03PROJECT2 - 12http://tracker.habhub.org/#!qm=All&q=PROJECT2
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[11:06] <infaddict> Great wind today dave. figure of 8!
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[11:09] <daveake> Well, we're launching a bit later (clouds, better landing area)
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[11:11] <edmoore> do you enjoy being complemented on your wind, daveake ?
[11:11] <infaddict> lol
[11:13] <Vaizki> whee I am the proud owner of a FT-817ND
[11:13] <fsphil> congrats
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[11:13] <edmoore> good stuff Vaizki
[11:13] <edmoore> you won't be dissapointed
[11:13] <Vaizki> paid 350 eur for it
[11:14] <Vaizki> my son is a ham so I will give the mic to him ;)
[11:14] <daveake> Yes I do edmoore
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[11:15] <daveake> The figure-of-8 ones are a speciality of mine
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[11:18] <infaddict> are nice local patterns like that common across UK? every prediction I've ran in the North of England results in a wild goose chase hundreds of miles!
[11:19] <Lenovo_> Same in Fife
[11:19] Nick change: Lenovo_ -> D
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[11:20] <daveake> unusual in the winter
[11:22] <edmoore> winds usually much kinder in summer
[11:35] <Vaizki> so it seems the FT-817ND has some kind of RTTY support but I'm not sure what this all means..
[11:36] <edmoore> might mean it automatically tunes some receiver filters and does some decoding?
[11:36] <edmoore> my icon has an onboard rtty decoder but it was only baudot (a text encoding)
[11:36] <Vaizki> 5bit baudot?
[11:36] <edmoore> i have never used it in anger, far easier to just manually tune and connect to soundcard
[11:36] <edmoore> Vaizki, yes
[11:36] <Vaizki> with shift chars and stuff?
[11:36] <edmoore> yes
[11:36] <Vaizki> umm I don't want that :D
[11:37] <edmoore> no indeed
[11:37] <Vaizki> maybe this can just output TTL out the back from RTTY
[11:37] <fsphil> on the 817 RTTY just seems to be an alias for LSB
[11:37] <fsphil> or DIG
[11:37] <Vaizki> there are 2 "USER" modes which allow USB and custom shifts it seems
[11:38] <fsphil> oh no I'm confusing it with fldigi's list of modes
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[11:38] <Martin_G4FUI> ISTR it's more to do with setting the offsets, etc - there's no built-in encode/decode facility as far as I'm aware ...
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[11:39] <Martin_G4FUI> the 817 is a great little radio, though
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[11:39] <Vaizki> Martin_G4FUI, yea but if it can give me TTL instead of analog audio, then I can make a small oled display RTTY decoder with 10 euros in parts?
[11:39] <Martin_G4FUI> (Apologies for all the oxymorons!)
[11:39] <Vaizki> I guess I could do it for analog audio as well...
[11:40] <Vaizki> anyway, main thing is I don't need to mess around with those modes
[11:40] <Vaizki> just use it as USB receiver and plug into soundcard
[11:40] <Martin_G4FUI> Agreed, I tend to stick to USB as it's easy to work out what's going on!
[11:41] <edmoore> a usb interface on modern small radios would be nice
[11:41] <edmoore> that was both a soundcard and a means of rig control
[11:41] <Vaizki> like usb audio ADC/DAC built in?
[11:41] <edmoore> yeah
[11:42] <Martin_G4FUI> The 817 has been around for so long it seems strange to call it "modern" (its longevity is testament to the quality of its original design, I suppose!)
[11:43] <edmoore> i meant modern in the 'a new radio' sense
[11:43] <edmoore> should one be in the business of making such a clean-sheet thing
[11:43] <Martin_G4FUI> as in "New Labour"? (forget I seady that :/ )
[11:43] <Martin_G4FUI> said
[11:46] <Martin_G4FUI> In a clean sheet situation no doubt you would build in the ubiquitous wi-fi circuitry so it could join the IoT ...
[11:48] <edmoore> hell-to-the-no
[11:48] <edmoore> but i might put ethernet on it
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[11:48] <edmoore> i really like ethernet
[11:48] <craag> :)
[11:48] <edmoore> it's ubiquitous, fast, and galvanically isolated
[11:48] <edmoore> all of those things are very useful to a lot of the problems i work on
[11:48] <Martin_G4FUI> Is Galvanism a religion? :)
[11:48] <Vaizki> 10Gbps SFP+ port for fiber ethernet
[11:49] <edmoore> ethernet is what you'd want if you wanted to lob it up at a mast-head in an installation
[11:49] <edmoore> for control and sending samples back
[11:49] <Vaizki> yea, with PoE
[11:49] <edmoore> hmmm, maybe PoE
[11:49] <edmoore> sure
[11:49] <Vaizki> at least with a 5W transmitter
[11:49] <edmoore> but not so great for appreciable Tx power
[11:49] <edmoore> yeah
[11:49] <Vaizki> not with 100W maybe :)
[11:51] <gonzo_> for comms people Galvanism IS a religion
[11:51] <edmoore> the only problem is i should not build this radio
[11:52] <edmoore> as i'd make the front panel too expensive
[11:52] <Martin_G4FUI> Not to mention "Erlangism" :)
[11:52] <gonzo_> big buttons for all the sthings that people really need
[11:52] <gonzo_> and a manu system that says "You will never need this" for 95% of the options
[11:53] <gonzo_> menu
[11:53] <edmoore> they'd all be sealed milspec buttons
[11:53] <edmoore> and rotary knobs with very nice clicking actions
[11:53] <gonzo_> suqadie proof
[11:53] <edmoore> and ink-filled engraved anodized aluminium for all the labels
[11:53] <gonzo_> mmmm, and 19" rack mount?
[11:54] <gonzo_> os heavy cast ali
[11:54] <gonzo_> or
[11:54] <edmoore> no it has to be portable
[11:54] <Vaizki> built into a pelicase
[11:54] <Martin_G4FUI> ... built by Plessey ...
[11:54] <edmoore> this is my last effort when asked to make a box to allow manual control of some valves http://i.imgur.com/YKB8uuM.jpg
[11:55] <gonzo_> mil rugged
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[11:56] <Vaizki> http://www.pervices.com/products-crimson/
[11:56] <Vaizki> eh
[11:56] <Martin_G4FUI> IP something-or-other (64?)
[11:56] <Vaizki> 1200MHz of bandwidth over dual 10Gbps ethernets?
[11:56] <gonzo_> and hopefully not a single sodding so239 anywhere
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[11:57] <Vaizki> that's a NSA-grade waterfall display :)
[11:57] <edmoore> that box is ip67
[11:57] <edmoore> well, in theory
[11:57] <edmoore> i didn't fit the seales in one location
[11:57] <edmoore> doesn't need to be that waterproof
[11:57] <Martin_G4FUI> I've seen Pelicases in some Sci-Fi movie somewhere set at least 200 years in the future ...
[11:58] <Vaizki> edmoore, are those switch guards the milled Al shuttle replicas??
[11:58] <edmoore> yes
[11:58] <gonzo_> it doesn't look quite right with the switch guards only every other switch
[11:58] <edmoore> go away
[11:58] <Vaizki> well I remember them being not-cheap
[11:59] <edmoore> it looked worse with them on every
[11:59] <gonzo_> should have had them mill up a bespoke guary bar
[11:59] <edmoore> this way you just get evenly-spaced hoops which is functionally what was required
[11:59] <gonzo_> guard
[11:59] <edmoore> Vaizki, they're cheap compared to the switches themselves
[11:59] <Martin_G4FUI> I think every other switch guarded is a nice touch!
[12:00] <edmoore> i could powder-coat the switch guards to the same RAL tbh
[12:00] <edmoore> that would probably make them blend in a lot more
[12:00] <gonzo_> or put a spacer piece between the goards to make it uniform?
[12:00] <Vaizki> where is that thing going?
[12:00] <edmoore> a control room
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[12:01] <Martin_G4FUI> But is it squaddie-proof, as gonzo_ said?
[12:01] <gonzo_> the budgets here, control boxes will be a set of switches hanging off buts of loom
[12:01] <edmoore> i don't have any squaddies to test it with unfortunately
[12:01] <Vaizki> so what switches are those and how much? :)
[12:02] <edmoore> it is portable actually so it can be taken outside to control aspects of the testing bays by people working in them
[12:02] <Martin_G4FUI> It still looks "properly engineered"
[12:02] <edmoore> otto T9 series, which i like a lot
[12:02] <Vaizki> I have an open 5.5m boat which needs new switches and the "marine" ones sold everywhere are utter crap
[12:02] <edmoore> price you'll have to find via your local distributor!
[12:02] <edmoore> ah, i recommend these
[12:02] <gonzo_> I hae some reclaimed ones of those. They sit in the 'precious' shelf
[12:03] <edmoore> farnell and RS carry them
[12:03] <Vaizki> ok like £20 each :O
[12:03] <edmoore> depends on the kind of switch
[12:03] <gonzo_> trouble is, things that are on that shelf, never seem to find a worthy project, so never get used
[12:03] <edmoore> cheaper single pole on-on are about £20
[12:03] <edmoore> locking DPDT are pricier
[12:03] <edmoore> spectrum between
[12:04] <Vaizki> yea I just need SPST
[12:04] <edmoore> farnell and rs also carry a suitable locking sealing washer to keep the ip68 through the panel-mounting
[12:04] <edmoore> and they carry the missile covers
[12:04] <edmoore> i recommend getting proper missile covers
[12:05] <edmoore> some of the chinese ones have too weak a spring to switch the switch
[12:05] <edmoore> some actually don't even switch the switch when they close, they're just hollow
[12:05] <edmoore> which is so retarded and confused, and probably dangerous
[12:05] <SpacenearUS> New vehicle on the map: 03ea5177ure_chase - 12http://tracker.habhub.org/#!qm=All&q=ea5177ure_chase
[12:07] <Vaizki> edmoore, I have a friend who used to do demolitions work (and later fireworks), get him drunk and all he will do is talk switches ;)
[12:07] <gonzo_> I was actually looking for some of those a while ago. As I needed to guard a switch in either position
[12:07] <edmoore> same! although also connectors
[12:07] <edmoore> i have strong opinions about both
[12:08] <edmoore> just because i've suffered at the hands of bad instances of both so many times
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[12:08] <edmoore> gonzo_, use the space shuttle ones
[12:08] <edmoore> missile covers are a convention, not just a guard
[12:08] <edmoore> if it's down, the switch must be in a known, safe position
[12:08] <gonzo_> must see if I can buy a used shuttle.
[12:09] <edmoore> cheaper to buy these repros new
[12:09] <edmoore> one sec
[12:09] <edmoore> http://periheliondesign.com/switchguards.htm
[12:09] <edmoore> 2nd one
[12:09] <Martin_G4FUI> ISTR there was a bloke called Drax who had a few shuttles ... :)
[12:11] <gonzo_> I have made similar, from the catch lug from our machine covers. Sort of a small U clamp
[12:12] <Vaizki> edmoore, I'd be happy with good quality plastic ones...
[12:12] <gonzo_> $14 ouch
[12:12] <gonzo_> nice though
[12:13] <Vaizki> is there a key on the bottom of the guard to stop it from turning around the switch body?
[12:13] <edmoore> yes
[12:13] <Vaizki> I can see a little knob on it
[12:13] <SpeedEvil> yes
[12:14] <SpeedEvil> A wizards staff has a knob on the end
[12:14] <Vaizki> nooo not that...
[12:18] <edmoore> https://www.dropbox.com/s/xog6r1a4182n2ed/2015-02-10%2012.15.07.jpg?dl=0
[12:18] <edmoore> there you go
[12:19] <Vaizki> the $800 each made me laugh though
[12:20] <Vaizki> originals are titanium but still..
[12:20] <SpeedEvil> 800 is a bit steep even if you're milling it from solid
[12:20] <SpeedEvil> With a file.
[12:20] <Vaizki> yea you can get titanium watches for less :)
[12:21] <SpeedEvil> Though if doing that, you'd want to start with a bit of flat bar, and put a couple of bends in it first.
[12:21] <Vaizki> reminded me of this... http://www.bloomberg.com/apps/news?pid=newsarchive&sid=aY5OQ5xv9HR8
[12:22] <Vaizki> try reading that without laughing out loud...
[12:23] <gonzo_> pft, bloody drunk UU students
[12:24] <SpeedEvil> :)
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[12:24] <Vaizki> edmoore, so did you pay $57,686.34 for the switch guard shipping? :)
[12:26] <SpacenearUS> New position from 03PROJECT1 after 032 days silence - 12http://tracker.habhub.org/#!qm=All&q=PROJECT1
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[12:31] <FuzzyLemon> why does the altitude fluctuate so much when payloads are being tested on the ground?
[12:31] <FuzzyLemon> Project1 has a range of about 142-160m
[12:31] <craag> Accurate altitude requires a very good gps fix.
[12:32] <craag> And even then, it's +-10m at least.
[12:32] <craag> 142-160 is actually rather good.
[12:32] <craag> (GPS uses satellites on either side of you to accurately work out your 2D position, but there aren't any satellites beneath you, so it can't do that for altitude)
[12:33] <FuzzyLemon> how good is very good?
[12:34] <craag> With a sustained 10+ satellite fix I'd expect around +-30m accuracy. That's just off the top of my head though.
[12:35] <SpeedEvil> There are satellites beneath you.
[12:35] Action: SpeedEvil is feeling nit-picky.
[12:35] <craag> And of course - there's the multiple earth-shape models to take into account.
[12:35] <craag> yes SpeedEvil, but I think we can agree they're a little obscured ;)
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[13:12] <daveake> filling now
[13:12] <Geoff-G8DHE-M> Monitoring
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[13:13] <craag> Eating
[13:16] <Vaizki> coffee
[13:17] rbckman (~rob@77-105-108-88.lpok.fi) joined #highaltitude.
[13:18] <x-f> cool water
[13:20] <Geoff-G8DHE-M> bread & soup
[13:23] <daveake> launching in 5
[13:24] Ian_ (4d651452@gateway/web/freenode/ip.77.101.20.82) joined #highaltitude.
[13:29] <UpuWork> is this launch called metro ?
[13:29] <UpuWork> !flight metro
[13:29] <SpacenearUS> 03UpuWork: Can't find a flight doc matching your query
[13:29] <UpuWork> !flight Metro1
[13:29] <SpacenearUS> 03UpuWork: Can't find a flight doc matching your query
[13:30] <daveake> Metro1
[13:30] <UpuWork> Barc is up on 650
[13:31] <Geoff-G8DHE-M> eh ?
[13:31] <UpuWork> $$$BARC,5860,13z31:22,53.5129,-1.4071,1146m,9,&'&
[13:31] <UpuWork> $d$BARC,587,0,13:31:34,53.5134,
[13:32] <UpuWork> 21km
[13:33] <SpacenearUS> New position from 03AIRCOR-1 after 039 hours silence - 12http://tracker.habhub.org/#!qm=All&q=AIRCOR-1
[13:33] <Geoff-G8DHE-M> Is that Dave's flight ?
[13:33] <UpuWork> no
[13:36] <lz1dev> !aprs info aircor-1
[13:36] <SpacenearUS> 03lz1dev: 03AIRCOR-1 is near 03Jefferson County, CO, USA 10(39.50983,-105.30034) at 032467 meters - 12http://aprs.fi/info/AIRCOR-1
[13:36] <SpacenearUS> 03lz1dev: Path: 03AIRCOR-1>APRS via 03qAS,N1DQ-BJ
[13:36] <SpacenearUS> 03lz1dev: Symbol: 03O/ Speed: 0365kmph Course: 03279°
[13:36] <SpacenearUS> 03lz1dev: Comment: 03NOAA Aircore balloon
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[13:39] <SpacenearUS> New position from 03KF5PGW-6 after 038 hours silence - 12http://tracker.habhub.org/#!qm=All&q=KF5PGW-6
[13:41] <PE2G> !flights
[13:41] <SpacenearUS> 03PE2G: Current flights: 03Metro1 10(d956), 03B-64 434.500 Contestia 64/1000 10(3afe)
[13:42] <UpuWork> barc lost lock again
[13:42] <PE2G> !dial Metro1
[13:42] <SpacenearUS> 03PE2G: Can't find a flight doc matching your query
[13:43] <daveake> It's in habitat as Metro1
[13:45] <lz1dev> !payload d956
[13:45] <SpacenearUS> 03lz1dev: Payload 03PROJECT1 10(d956) 03$$PROJECT1 - 03434.45 MHz USB 03RTTY 50/425Hz ASCII-7 none 2
[13:45] <SpacenearUS> 03lz1dev: Payload 03PROJECT2 10(d956) 03$$PROJECT2 - 03434.475 MHz USB 03RTTY 50/460Hz ASCII-7 none 2
[13:49] <Geoff-G8DHE-M> !dial project1
[13:49] <SpacenearUS> 03Geoff-G8DHE-M: Latest dials for 03PROJECT1 10(d956): 03434.45 MHz, 434.44975 MHz
[13:49] <daveake> Can anyone here set the burst alt on the live predictor?
[13:49] <Geoff-G8DHE-M> !dial project2
[13:49] <SpacenearUS> 03Geoff-G8DHE-M: Latest dials for 03PROJECT2 10(d956): 03434.475 MHz, 434.475948 MHz
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[13:58] <Geoff-G8DHE> signals not as strong as I would hav expected ?
[13:59] <daveake> yeah not the best aerials
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[14:00] <Geoff-G8DHE> Ah OK
[14:00] <daveake> #2 is a stubby
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[14:05] Nick change: SpeedEvil -> Guest8201
[14:07] <FuzzyLemon_> I'm trying to track Project1 with ICOM r20 and 70cm magmount and not seeing anything! WHYYY?
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[14:08] <Geoff-G8DHE> Where abouts are you ?
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[14:09] Nick change: BitEvil -> SpeedEvil
[14:10] <FuzzyLemon_> in a car
[14:10] <mattbrejza> tune around a little
[14:10] <FuzzyLemon_> with the antenna on the roof
[14:10] <Geoff-G8DHE> what part of the country
[14:10] <FuzzyLemon_> buckinghamshire
[14:10] <mattbrejza> persumably under it trying to find it
[14:10] <mattbrejza> !flights
[14:10] <SpacenearUS> 03mattbrejza: Current flights: 03Metro1 10(d956), 03B-64 434.500 Contestia 64/1000 10(3afe)
[14:11] <mattbrejza> !dial metro1
[14:11] <SpacenearUS> 03mattbrejza: Can't find a flight doc matching your query
[14:11] <mattbrejza> !dial d956
[14:11] <SpacenearUS> 03mattbrejza: Latest dials for 03PROJECT1 10(d956): 03434.5 MHz, 434.45008 MHz, 434.44975 MHz
[14:11] <SpacenearUS> 03mattbrejza: Latest dials for 03PROJECT2 10(d956): 03434.477066 MHz, 434.477036 MHz
[14:12] <Geoff-G8DHE> Its not a very clean signal for me to day either just got my first green on Project1 which is not normal
[14:12] <mattbrejza> !whereis project1
[14:12] <SpacenearUS> 03mattbrejza: 03PROJECT1 is over 03Herefordshire, UK 10(51.99587,-2.93962) at 0312481 meters
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[14:14] <mattbrejza> project1 is LSB (Rv)?
[14:14] <Geoff-G8DHE> Nope
[14:14] <mattbrejza> not sure whats going on here then
[14:14] <Geoff-G8DHE> I&Q rebersed ?
[14:14] <Geoff-G8DHE> reversed
[14:14] <mattbrejza> old fashioned 817
[14:14] <mattbrejza> (so no)
[14:15] <Geoff-G8DHE> odd
[14:16] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/METRO1_20150110/index.php?ind=3
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[14:22] <FuzzyLemon_> Zip nada zilch
[14:22] <Geoff-G8DHE> Can you see any signals, or is the aerial broken in some way ?
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[14:22] <daveake> Attenuator enabled ?
[14:23] <x-f> are you on the right frequency? my R20 is a bit offset
[14:23] <pc1pcl> wrong antenna port selected ?
[14:24] <PE2G> !dial d956
[14:24] <SpacenearUS> 03PE2G: Latest dials for 03PROJECT1 10(d956): 03434.44975 MHz, 434.44955 MHz, 434.5 MHz, 434.450366 MHz, 434.450224 MHz, 434.45256 MHz
[14:24] <SpacenearUS> 03PE2G: Latest dials for 03PROJECT2 10(d956): 03434.4763 MHz, 434.477236 MHz, 434.477393 MHz
[14:26] <FuzzyLemon_> I tuned around a lot. Currently on 434.450MHz
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[14:30] <FuzzyLemon_> Attenuator is on
[14:30] <daveake> Try off then :)
[14:32] <Vaizki> as a new 817 owner, is that a -10dB attenuation switch? :)
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[14:32] <daveake> It's an ICOM scannr not an Yaesu :)
[14:32] <daveake> a
[14:33] <murb> daveake: ICOM is now a generic term in some circles :)
[14:35] <Vaizki> oh ok saw mattbrejza mention 817 there :)
[14:35] <Vaizki> my bad
[14:35] <daveake> yeah 2 convos
[14:36] <fsphil> had a listen in via fcd, can hear one of the payloads just about
[14:36] <fsphil> no sign of the other
[14:36] <daveake> #1 should be better but may fade due to batteries in the way of the signal
[14:36] <Geoff-G8DHE> 2 is better for me than 1
[14:37] <daveake> ok
[14:37] <fsphil> I can't tell them apart. not strong enough to decode
[14:37] <daveake> ok
[14:37] <daveake> aesthetics beat engineering on this one :/
[14:37] <fsphil> ah I can see the other one
[14:37] <fsphil> higher frequency one is stronger
[14:37] <fsphil> (assuming I got my IQ channels the right way around)
[14:37] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/METRO1_20150110/index.php
[14:38] <daveake> That IQ buessiness confused me greatly when I first tried to use an SDR
[14:38] <daveake> business
[14:38] <daveake> sorry got cat between me and keyb
[14:38] <fsphil> hah
[14:39] <fsphil> recording the IQ to wav file on the Pi2. usb still dropping out now and then
[14:39] <fsphil> faster cpu hasn't helped there sadly
[14:39] <daveake> Prediction was for that first turn north to be over Wormbridge, not west of it.
[14:40] <daveake> Ascent rate speeding up now
[14:40] <daveake> so that should shorten this leg and bring the landing back west
[14:40] <daveake> which is where I was aiming :)
[14:42] <daveake> prediction was http://predict.habhub.org/#!/uuid=c7b31ff9411e47a7b65426e8d4acc30c8f9f2ab1
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[14:43] <Vaizki> anyone tried the Odroid C1, does it have better USB than Pi/Pi2?
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[14:43] <jededu> ping upu
[14:44] <UpuWork> hola
[14:44] <jededu> pm :)
[14:45] <SpacenearUS> New vehicle on the map: 03M0RPI_chase - 12http://tracker.habhub.org/#!qm=All&q=M0RPI_chase
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[14:51] <Geoff-G8DHE> Project1 gone very unstable ... burst ?
[14:51] <UpuWork> nope
[14:52] <Geoff-G8DHE> steadied up again for a bit
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[15:12] <daveake> shoudl be popping soon
[15:12] <daveake> +/- Hwoyee error range
[15:16] <daveake> come on physics you can do it
[15:18] <daveake> there we go
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[15:19] Action: daveake slides down the hab-pole and jumps in the hab-mobile
[15:19] <Hodders> [Insert appropriate music here!]
[15:20] <Geoff-G8DHE> You'd have though a Zip wire at least!
[15:21] <Hodders> Indeed.
[15:21] <Hodders> Been observing the past few hours, looking at doing something HAB-related in the Summer with a friend.
[15:22] Action: fsphil plays the Gravity soundtrack
[15:22] <Geoff-G8DHE> Welcome, its all good clean fun ... so I'm told
[15:22] <Hodders> WOuldn't know that.
[15:22] <Hodders> Been a case of researching and such the past couple of weeks.
[15:22] <Geoff-G8DHE> apart from walking across muddy fields
[15:23] <Hodders> I've done D of E and the like, second nature.
[15:23] <fsphil> that's good fun if the weather is nice
[15:23] <Hodders> I'm in the grim Northwest, it's never nice even when it's sunshine.
[15:23] <Geoff-G8DHE> Sat on Dartmoor listening to first Moon landing doing mine!
[15:24] <Hodders> Had a small giggle at that, and why not.
[15:25] <Hodders> Looking July/August time so plenty of time to research, test and all that good stuff.
[15:25] <Geoff-G8DHE> Hahh never enough time
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[15:29] <junderwood> !flights
[15:29] <SpacenearUS> 03junderwood: Current flights: 03Metro1 10(d956), 03B-64 434.500 Contestia 64/1000 10(3afe)
[15:30] <junderwood> !dial project1
[15:30] <SpacenearUS> 03junderwood: Latest dials for 03PROJECT1 10(d956): 03434.44955 MHz, 434.5 MHz, 434.450082 MHz, 434.45237 MHz, 434.44975 MHz
[15:31] <Hodders> Also allows for yours truly to find employment and acquire the certainly-needed driving licence.
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[15:51] Nick change: sarah -> Guest78913
[15:52] <Guest78913> hi everyone, my name is sarah, I am working on a high altitude weather balloon that will transmit real time telemetry. I was wondering if anyone could help. is radio communication better than satellite?
[15:53] <edmoore> yes
[15:53] <Guest78913> why?
[15:53] <edmoore> for the following few reasons
[15:53] <edmoore> 1) we can send updates very quickly via our typical radio system - say a position update every 5-10s
[15:53] <Geoff-G8DHE> Watch live tracking here if you haven't alredy found it http://tracker.habhub.org/#!mt=terrain&mz=14&qm=1_day&mc=52.1045,-2.54872&f=M0RPI_chase&q=project*;M0rpi*
[15:54] <edmoore> this is very useful for chasing, especially during descent where you want to have very live data to help predict the landing spot
[15:54] <edmoore> 2) radio is free - satellite usually costs money and can take a few minutes between transmission and reception (that's more related to point 1)
[15:54] <edmoore> so we can keep the radio on the whole time without mounting up a large bill
[15:55] <Guest78913> will this allow me to transmit all of the data? i wanted to transmit real time video as well as gps updates
[15:55] <edmoore> 3) radio is very reliable for reception - if you look at the map Geoff-G8DHE linked to just then, you'll see green lines to all the receivers
[15:55] <edmoore> whereas sattelite reception can be very flakey
[15:55] <edmoore> video - no
[15:55] <edmoore> the bandwidth required for video is typically too much for what we can legally do within the spectrum law
[15:56] <edmoore> so video would typically require either more bandwidth or more power (or both) than we can fly without applying to experimental licenses
[15:56] <edmoore> i doubt you would get video back through sattelite either
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[15:58] <Geoff-G8DHE> I think Dave will have to pop round the other side of the river!
[15:59] <craag> Might be able to do a very low quality video feed with a low gain satellite system, but you're talking hundreds of pounds for the kit(not including bandwidth fees), and several kilos of weight (not including batteries).
[15:59] <craag> Not feasible unless you're NASA ;)
[15:59] <Hodders> Recording via a Pi camera would work I'd assume?
[16:00] <craag> Yep easy.
[16:00] <Geoff-G8DHE> Yes recording is fine, also slow pictures can be returned
[16:00] <craag> !wiki SSDV
[16:00] <SpacenearUS> 03craag: Wiki page 03ssdv (guides) - 12http://ukhas.org.uk/guides:ssdv
[16:00] <SpacenearUS> 03craag: Wiki page 03ssdvforhab (ideas) - 12http://ukhas.org.uk/ideas:ssdvforhab
[16:00] <craag> ^^ 'video' at one frame every couple of minutes
[16:01] <Geoff-G8DHE> Looks like Dave will have to visit the Orgee ....
[16:02] <Hodders> Ta Geoff.
[16:03] <Guest78913> so radio communication is the best. can i use habhub in the us? or is it only for the uk
[16:03] <Hodders> Still in the early planning stages at present but looking to the RPi route of doing things to decrease payload weight a smidge
[16:04] <craag> Guest78913: You certainly can, however there isn't as much of an existing network of receivers over there as here in Europe.
[16:04] <Geoff-G8DHE> You can use Habhub world wide but in the USA you might be better using Amateur Radio and the APRS system
[16:05] <craag> Guest78913: If you can enlist the help of an Amateur Radio Operator, they're allowed to use a radio positioning system called APRS, from balloons, which has an existing network.
[16:05] <craag> (That's the main reason for the lack of uptake of habhub there)
[16:06] <craag> As Amateur Radio Operators in the UK, we aren't permitted to use APRS from balloons, so developed HabHub instead.
[16:06] <Geoff-G8DHE> We aren't allowed to use Amateur Radio air borne in the UK.
[16:06] <Guest78913> thank you all so much for your help!! i appreciate it so much!
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[16:06] <craag> No problem. Let us know how it goes!
[16:07] <Hodders> If and when my friend and I launch anything, likely be near his place not far from Blackpool.
[16:07] <Hodders> Fortunately ages away from Warton..
[16:09] <Geoff-G8DHE> Looks like its down
[16:09] <Geoff-G8DHE> right on the edge of the wood ....
[16:10] <Hodders> And PROJECT2 not far from it
[16:10] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/METRO1_20150110/Metro1_201501101609.jpg
[16:11] <Hodders> Not quite the homing balloon expected but still not bad.
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[16:11] <Geoff-G8DHE> pretty good on the prediction http://360.g8dhe.net/HAB_Flights/2015_Flights/METRO1_20150110/Metro1_201501101610.jpg
[16:13] <gonzo_> hope daev has his bow saw with him
[16:13] <gonzo_> dave
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[16:14] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/METRO1_20150110/index.php?ind=17
[16:18] <Hodders> Quite.
[16:19] <SpacenearUS> New vehicle on the map: 03chase_M0RPI - 12http://tracker.habhub.org/#!qm=All&q=chase_M0RPI
[16:20] <Geoff-G8DHE> Yup he is driving down the track!
[16:21] <Geoff-G8DHE> should get really close by car!
[16:24] <craag> Hodders: He deliberately delayed for a 'non-return-trajectory' as landing near his house also means landing near the M50.
[16:25] <Hodders> Which makes perfect sense.
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[16:55] <Geoff-G8DHE> Object Movie for Metro1 flight http://360.g8dhe.net/HAB_Flights/2015_Flights/METRO1_20150110/Metro1_20150110.html
[16:55] <Geoff-G8DHE> Oh looks like he heading back ...
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[17:25] <daveake> Tree 1 Dave 0
[17:25] <daveake> Rematch tomorrow
[17:25] <Geoff-G8DHE> Arcgh loopers to the fore!
[17:25] <Geoff-G8DHE> loppers
[17:26] <daveake> Need about 5m more reach
[17:26] <daveake> 10m pole not enough
[17:26] <mattbrejza> gaffa tape a stick to the end?
[17:26] <daveake> yeah something like that
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[17:26] <daveake> We'll go see what the local DIY place has
[17:27] <daveake> Also I have an aluminium 8m telescopic mast I use for aerials
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[17:31] <mattbrejza> cant cut it down?
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[17:34] <Laurenceb> anyone here got Rx mode running on si446x series?
[17:34] Action: Laurenceb hasnt been having any luck
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[17:46] <SA6BSS> k6rpt-12 should reach canary islands tonight
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[17:48] <SpacenearUS> New position from 03PI_SKY_PLUS after 037 days silence - 12http://tracker.habhub.org/#!qm=All&q=PI_SKY_PLUS
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[18:04] <SpacenearUS> New vehicle on the map: 03M0UPU-Chase - 12http://tracker.habhub.org/#!qm=All&q=M0UPU-Chase
[18:11] <Ian_> Daveake, you need to share bacon with a small apprenticed capucin monkey HAB tree rescue specialist, which can spend his off time annoying the cat/dog..
[18:12] <Ian_> Well, know someone that has one sufficiently trained to do the job for a bacon sandwich when required.
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[18:27] <Vaizki> so in the U.S. you can just launch APRS balloons without any permits etc?
[18:27] <Vaizki> and in the the U.K. it's just outright forbidden?
[18:29] <Lunar_Lander> hello
[18:30] <mattbrejza> you need a ham licence
[18:30] <mattbrejza> and whatever launch permission
[18:30] <SpeedEvil> ham licences do not work airborne
[18:31] <SpeedEvil> (in the UK)
[18:31] <SpeedEvil> Well - not froma balloon.
[18:31] <SpeedEvil> I'm not sure if you're airborne with it
[18:31] <jonsowman> unmanned airborne = no
[18:33] <mattbrejza> i should have said that was for the US lol
[18:35] <Lunar_Lander> :)
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[18:35] <Lunar_Lander> wasn't it that a certain class of HAB is exempt in the US?
[18:35] <Lunar_Lander> like the 2 m sphere in the UK
[18:39] <jiffe> if its under 4 lbs I believe
[18:39] <theRealSIbot1> In real units: 4 lbs = 1.8 kg
[18:43] <jiffe> http://www.ecfr.gov/cgi-bin/text-idx?rgn=div5&node=14:2.0.1.3.15#se14.2.101_11
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[18:48] <Lunar_Lander> thanks
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[18:52] <daveake> I am now stocked up with things that will get taped/screwed/nailed together and hopefully recover that flight
[18:53] <daveake> Rematch mid-morning tomorrow
[18:53] <fsphil> oh no! I wasn't following. tree?
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[18:58] <Ian_> A big blowpipe to puff a light line with a small grappling hook (blunted fishing treble hoock) to snag the balloon train cord, or a hypodermic to knock out the monkey!
[19:00] <SA6BSS> fsphil: yes tree, 15m up
[19:00] <daveake> yes tree
[19:00] <daveake> the payload was about to land in an orchard, till the tree's tractor beam kicked in
[19:01] <daveake> Bought 4 2.4m lengths of dowelling
[19:01] <daveake> Hook to screw in the end
[19:01] <daveake> and a plumb bob weight to possible lob a line over
[19:01] <daveake> y
[19:02] <daveake> Also we'll take my 10m relescopic pole and 8m telescopic mast
[19:02] <daveake> and a ladder
[19:02] <daveake> and if that fails, fire
[19:03] <daveake> Did some off-roading to get closer
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[19:06] <fsphil> http://www.ustream.tv/channel/iss-hdev-payload -- possibly the most boring view from the ISS, while at the same time being pretty cool
[19:06] <fsphil> it's the strobe light on the dragon module
[19:09] <fsphil> and then it's suddenly daylight
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[19:31] <lz1dev> http://spacenear.us/sats/
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[19:55] <OZ1SKY_Brian> hi
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[20:23] <Geoff-G8DHE> Haha love the two crashed M0RPI chase vehicles on the map!
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[22:14] <daveake> Our task for tomorrow: https://pbs.twimg.com/media/B9hAXBZIUAAbYnq.jpg:large
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[22:16] <ibanezmatt13> that looks a tricky one :P
[22:18] <daveake> It is high
[22:19] <lz1dev> did you get them?
[22:19] <craag> heh looks familiar
[22:20] <craag> about as high as my pico camera flight :)
[22:20] <craag> what's your plan?
[22:21] <Upu> http://townofcoma.com/wp-content/uploads/2014/02/chainsaw-image.jpg
[22:22] <craag> fair enuff
[22:22] <daveake> hah
[22:22] <daveake> The plan is to tape together as many long things as I can find :)
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[22:23] <Laurenceb_> you gunna get high
[22:24] <Laurenceb_> daveake: now i understand why you use LORA
[22:24] <Laurenceb_> spent all day trying to persuade si446x to work as an uplink
[22:26] <ibanezmatt13> I tried that method, turned my Gran's washing line into a boomerang. Model rocket remains in tree
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[22:33] <Vaizki> oooo that is high
[22:33] <sergerold> hi everybody, im trying to use dominoex with the ntx2b - i have a programmable resistor and I'm trying to figure out the correct resistance for a 15.625Hz shift (http://ukhas.org.uk/guides:linkingarduinotontx2). I'm struggling to detect how much the frequency is shifting in sdr#. Could someone please give me an idea? Many thanks
[22:34] <Vaizki> trouble how? it should be quite clear in the waterfall?
[22:34] <Upu> no its a bit of a pain
[22:34] <Upu> get the low tone and highest tone about 282 hz apart
[22:34] <Upu> 18 x 15.6254
[22:35] <Upu> adjust the resistor until it stops decoding, then go the other way then pick the resistance in the middle
[22:35] <Upu> or you may be able to do it in Audacity or something
[22:35] <Upu> gtg night all
[22:35] <sergerold> ah that's great. thank you.
[22:36] <Laurenceb_> ive had it flying once
[22:36] <Laurenceb_> worked well
[22:36] <Laurenceb_> but the tone shift is slightly temperature sensitive
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[22:41] <sergerold> it's still very difficult to see the 282 Hz shift.
[22:42] <sergerold> any other programs which make this easier?
[22:42] <Vaizki> what are you decoding with?
[22:43] <sergerold> im using sdr# with a rtl2832u
[22:44] <Vaizki> yes but where does the audio go from there? fldigi?
[22:46] <sergerold> oh sorry, yes it goes there (rtty works fine)
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[22:53] <sergerold> sdr# doesn't seem precise enough
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[23:00] <sergerold> any ideas would be great. really struggling here
[23:02] <craag> fldigi waterfall may be a bit more precise
[23:02] <craag> else play around with audacity or other audio tools to try to read the audio frequencies
[23:07] <sergerold> ok
[23:07] <sergerold> thanks
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[23:20] <OZ1SKY_Brian> pd3t hi are you there?
[23:21] <Geoff-G8DHE-Tab> The spread of freqs in fldigi can be zoomed using one of the bottom buttons
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[23:26] <Vaizki> fldigi gui is a bit convoluted sometimes..
[23:28] <Lunar_Lander> good night!
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[00:00] --- Wed Feb 11 2015