highaltitude.log.20160914

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[01:15] <SpacenearUS> New vehicle on the map: 03bojuka_chase - 12https://tracker.habhub.org/#!qm=All&q=bojuka_chase
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[01:54] <SpacenearUS> New vehicle on the map: 03+234_chase - 12https://tracker.habhub.org/#!qm=All&q=%2B234_chase
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[03:15] <SpacenearUS> New position from 03DL7AD-11 after 0312 hours silence - 12https://tracker.habhub.org/#!qm=All&q=DL7AD-11
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[04:31] Nick change: daey_ -> daey
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[04:55] <PE2BZ> !flights
[04:55] <SpacenearUS> 03PE2BZ: Current flights: 03Dixon 10(5bde), 03UBSEDS18 434.612.5 CONTESTIA 16/1000 10(64a5)
[04:55] <PE2BZ> !track UBSEDS18
[04:55] <SpacenearUS> 03PE2BZ: Here you go - 12https://tracker.habhub.org/#!qm=All&q=UBSEDS18
[05:00] <happysat> zo jij bent al vroeg ;)
[05:09] <PE2BZ> happysat dan kunnen nog lekker even de deuren tegen elkaar open ;-)
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[05:35] <SpacenearUS> New vehicle on the map: 03merv_chase - 12https://tracker.habhub.org/#!qm=All&q=merv_chase
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[07:57] <AndyEsser> morning habbers
[07:57] <PE2BZ> QRZ ?
[07:58] <PE2BZ> If your Habby and you know it clap your hands ...
[07:58] <fsphil> yesss
[07:59] <AndyEsser> PE2BZ: you hams are your q codes
[07:59] <AndyEsser> :P
[07:59] <daveake> "you"? :)
[07:59] <PE2BZ> Meteosonde from dutch Cabauw ended up just 2.8 km to far West. Or to far Wet
[07:59] <daveake> now you is one
[07:59] <PE2BZ> ham ++
[08:00] <PE2BZ> Now we can use QRX in stead of AFK :-)
[08:00] <AndyEsser> daveake: not until I get a callsign
[08:00] <daveake> impending doom
[08:00] <AndyEsser> :)
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[08:01] <gonzo_> but not in an indian data centre fsphil
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[08:02] <AndyEsser> PE2BZ: from my understanding of q codes (read: page on google) QRX isn't directly relatable to AFK, more a "When will you call again?" ?
[08:02] <PE2BZ> Cabauw sonde http://imgur.com/a/0X06k
[08:03] <gonzo_> Q codes are both questions and answres in old world telegraph
[08:03] <PE2BZ> AndyEsser QRX is commonly used for ¨stand by¨ for example when phone or doorbell rings, over here
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[08:04] <PE2BZ> gonzo_ roger roger
[08:05] <gonzo_> I like some of the extra copdes. My favourite is one reserved for vodka soaked ukraine op's. QLF : Now please try sending with your 'left' foot
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[08:09] <AndyEsser> gonzo_: yea I got the origin, but it's how they've warped over time that's the problem :P
[08:11] <gonzo_> not sure how many I could remember these days
[08:11] <gonzo_> atv one time I could almost have an entire conversation in them
[08:11] <gonzo_> (usually in in the pub. Sad git!)
[08:12] <AndyEsser> what's Q code for "Indeed"
[08:13] <gonzo_> I need an inline spell check type prog. That will take the typed text and try all the letters around the ones I hit and try and find dictionary words.
[08:13] <AndyEsser> :)
[08:13] <gonzo_> Prob QSL os closest
[08:13] <fsphil> Q doesn't need codes, http://i.imgur.com/877rVLv.jpg
[08:14] <gonzo_> often used as a roger
[08:14] <gonzo_> 10-4 is better and will get you more appreciation on the air. Save it for G3's though
[08:16] <gonzo_> fsphil, I was thinking that was going to be a pic of desmond llewelyn
[08:16] <mfa298> do you use 10-4 before or after asking for their handle ?
[08:16] <AndyEsser> assumed 10-4 was yanky?
[08:17] <fsphil> gonzo_: that would probably have been more appropriate
[08:19] <gonzo_> I assume that was a star trek character. I only know the original's.
[08:19] <fsphil> yeah
[08:19] <gonzo_> I stopped watching TV long ago
[08:20] <AndyEsser> They had TV when you were a kid?
[08:20] <daveake> mechanical
[08:20] <AndyEsser> hand cranked type thing?
[08:21] <daveake> Candlepower
[08:21] <daveake> Used to watch Match Of The Day
[08:22] <gonzo_> much of the CB slang in the 1970's was copied from the US. But with a local accent. And '10-4, roger. Keep the wheels out of the ditches and the smokies out of your breches
[08:22] <gonzo_> just doesnt sound the same from a brummie
[08:22] <fsphil> it seems to suit the local farmers here though
[08:22] <fsphil> still hear them occasionally on the CB bands
[08:22] <gonzo_> I did try making a mechanical TV as a kid.
[08:23] <fsphil> I still want to try that some time
[08:23] <gonzo_> when some oen with a zommerzet accent is talking about 'beaver', it may not be the same thing
[08:24] <gonzo_> I couldn't get any sensible ideas for sync, so I put both disks on the same axle
[08:25] <daveake> This CB UK talk reminds me of https://www.youtube.com/watch?v=N-FZZ7ye7h8
[08:25] <gonzo_> it was the sensor that let me down. I had a CDS resistor to modulate a set of neons. And it was just too slow. (And the issues with neon striking, then hardly modulating )
[08:26] <fsphil> lol, "dead romantic like"
[08:26] <AndyEsser> 10-4 always just striked me as people who watched too much US TV
[08:27] <gonzo_> it mainly came from films like Convoy and Smokey and the Bandit
[08:28] <AndyEsser> the who and the what?
[08:28] <gonzo_> I was aware of the craze at the time, but only got a set after it all died off a bit and kit was cheap
[08:30] <fsphil> DLP projectors are pretty much the modern version of a mechanical TV
[08:31] <gonzo_> early colour tv used the same colour wheel idea. But some were 5ft monsters. A bit of a frightening prospect, in glass
[08:31] <SIbot4> In real units: 5 ft = 1.52 m
[08:31] <gonzo_> sod off sibot
[08:32] <AndyEsser> ha
[08:32] <gonzo_> there is a narrow band TV club. They do 32line electronic and mech tv
[08:32] <mfa298> AndyEsser: you're getting confused there, he's talking about moving pictures, The Who are a music band :p
[08:32] <gonzo_> one of the guys at the club has done a few talk/demo's. It's actually supprisingly watchable
[08:33] <gonzo_> I should put a to address on my replies
[08:33] <AndyEsser> mfa298: ah yes, my mistake :P
[08:33] <AndyEsser> wait... moving pictures? don't be silly. pictures can't move
[08:33] <AndyEsser> speaking of moving pictures
[08:33] <gonzo_> Or a subject heading....
[08:33] <AndyEsser> gonzo_: I'm now free all weekend for Cosford
[08:34] <AndyEsser> as my father decided he was going to change all his plans and arrive 4 days early
[08:34] <gonzo_> They can, just print one and wave it about
[08:34] <AndyEsser> *sigh*
[08:34] <AndyEsser> which means I'll hopefully get to see craag's talk
[08:34] <AndyEsser> and heckle
[08:34] <gonzo_> ah. Result!
[08:34] <fsphil> "Just use Youtube!"
[08:36] <gonzo_> Though we won't have our regular questioneer on the floor, trying to doa full design review after the talks!
[08:37] <AndyEsser> is the event free?
[08:37] <AndyEsser> gonzo_: which questioner is that?
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[08:47] <gonzo_> I think it is? There is a zero value registration 'product' on the BATC shop
[08:47] <gonzo_> best to register to give them an idea of numbers
[08:49] <gonzo_> I suspect that tea/coffee/food will be from the museum cafe, so bring some change
[08:53] <AndyEsser> the convention page doesn't link to anything to buy... *sigh*
[08:53] <AndyEsser> why are all amateur clubs/society websites so shit
[08:54] <fsphil> I suggested that the one near here was a bit "geocities". not sure my input was appreciated :)
[08:55] <nick_> AndyEsser: almost every club/society I've been involved with has been touchy about their website.
[08:55] <AndyEsser> nick_: yep
[08:55] <mfa298> in the HAM world they don't just limit the shit to websites, they also do it for lots of the software
[08:55] <AndyEsser> same experience with the OC Rifle Club
[08:55] <murb> AndyEsser: i'm sure there must be some law about that.
[08:55] <AndyEsser> For the record, I'm not a fan of the UKHAS website :P
[08:56] <nick_> I think it's just a bike shedding topic.
[08:57] <murb> it isn't difficult to just include the bootstrap foo and then your website looks like everyone elses and the complaints go away :)
[08:57] <nick_> Everyone can have a say in it, few people have the magic combination of skills and time to actually make something good. Best bet would be to just pay for a service that makes a good site easily, but for some reason it seems wrong for a club to pay for something that could be free.
[08:58] <murb> nick_: that seems a common justification for doing a bad job yourself :(
[08:58] <nick_> It doesn't help that the real costs of a bad website are not visible.
[08:58] <nick_> How many potential members didn't join because their only interaction was a bad site?>
[08:59] <murb> nick_: well lots of clubs etc pretty much nearly exclusively communicate that stuff via facebook now anyway.
[08:59] <murb> if you're lucky they might mention they have events on their website...
[08:59] <nick_> That's often a better option than building your own site.
[08:59] <murb> or even link to their facebook page where all the real organisation happens.
[09:01] <nick_> It doesn't surprise me at all that clubs have crappy websites. But these days I'm shocked at how many small companies do.
[09:02] <nick_> Or how many just don't have a web site.
[09:03] <nick_> Even if you do business the old fashioned way you can have a single static page telling people who you are, what you sell and how to make contact.
[09:03] <murb> actually having no website compared to having outdated information is probably better.
[09:04] <nick_> Most contact information for a business never gets changed.
[09:05] <murb> until they move, and discover nobody knows how to design that CMS that the intern though looked really handy for doing a website in, 5 years ago :)
[09:05] <murb> s/design/drive/
[09:07] <edmoore> i like the ukhas website
[09:09] <nick_> I've yet to really like a website I've made myself.
[09:09] <nick_> I think my favourite being on what never actually got deployed :(
[09:10] <edmoore> but that's because i started with it when there was nothing there so i have watcxhed it evolve and vaguely know where stuff is
[09:10] <edmoore> if i was coming to it unseen it'
[09:10] <edmoore> ... it'd be as impenetrable as the c2 wiki which supposedly contains all information in computer science ever but god knows how you'd find it
[09:10] <gonzo_> in clubs, there will be some old lad who knocks up few webpages using word or simiar, but it then becomes someone's baby and then the politics starts
[09:12] <gonzo_> our club one was done by some of the younger (at the time) members some time ago. But no-one has the skills to take it over.
[09:12] <nick_> http://oxfordhackspace.github.io/ I think is a decent site.
[09:13] <nick_> I'd also agree that the ukhas.org at least looks good, and basic info is easy to find.
[09:13] <nick_> (.uk)
[09:14] <fsphil> who came up with the name?
[09:14] <edmoore> ukhas?
[09:14] <fsphil> yeah
[09:14] <mfa298> I think the politics over websites is the biggest issue in some clubs/societies/charities.
[09:15] <edmoore> i dunno, we just came up with it on this channel about 10 years ago i think
[09:15] <edmoore> i think i thought it was a fun play on UCAS having just got into university
[09:16] <AndyEsser> I Was wondering if there was a ukhas/ucas 'joke' around
[09:16] <edmoore> quickly realised it was sufficient international that the UK bit was redundant
[09:16] <AndyEsser> the real beauty of the UKHAS site is that it's very easy for anyone to add information
[09:16] <AndyEsser> the real bad part of the UKHAS site is that it's very easy for anyone to add information
[09:17] <nick_> How many people actually contribute.
[09:17] <nick_> ?
[09:17] <AndyEsser> over the last 10 (?) years it's been up?
[09:17] <AndyEsser> probably quite a few
[09:17] <nick_> I've almost never found a club/society/work wiki that is actually active and up to date.
[09:17] <AndyEsser> which is why it's largely disorganised
[09:18] <daveake> well volunteered
[09:18] <daveake> let us know when you've fixed it :)
[09:18] <edmoore> it's actually fairly good for info, the wiki
[09:18] <edmoore> it's not really something that needs to be that 'up to date'
[09:19] <edmoore> i mean things like the manually edited table of flights are long ouyt of date
[09:19] <edmoore> maybe a thing automated by habhub would be an improvement there
[09:19] <mfa298> wiki's can take a lot of work to get the structure in place that makes using them easy. and that's usually hard to do until there's some content at which point no one wants to spend the time moving it around to a decent structure
[09:19] <edmoore> or just the habhub website itself
[09:19] <AndyEsser> daveake: nope :)
[09:19] <AndyEsser> mfa298: I think that's a valid point
[09:19] <edmoore> but how to inflate a balloon or make an antenna or whatever are all in there and quite good
[09:19] <AndyEsser> having it editable by all, reviewed by some, with good layout guidelines would be best
[09:20] <AndyEsser> IMHO
[09:20] <edmoore> the reviewing bit could just be more edits
[09:20] <edmoore> 'that looks fuggers i will fix'
[09:23] <edmoore> if there are official editors then it starts to get to the point of wanting a ukhas committee
[09:23] <fsphil> nooope
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[09:23] <fsphil> it's quite good the way it is
[09:24] <AndyEsser> Indeed
[09:24] <AndyEsser> was just a side note after dealing with the BATC one this morning
[09:25] <craag> heh batc website lol
[09:26] <craag> wip replacement: https://beta.batc.tv/
[09:27] Action: AndyEsser throws more coal into the burner...
[09:27] <craag> the problem with the batc website is that it's one of the worst php sites I've seen, there's only one guy who knows how it all stitches together, and he's now charging the club (quite dearly) for his time
[09:27] <AndyEsser> o0o wordpress-y
[09:28] <nick_> These days I often think that a simple markdown converter is the way to go for websites.
[09:28] <AndyEsser> using a git controlled markdown generator, where people have to submit PRs and then get them approved would be nice :P
[09:28] <AndyEsser> but goes back to the Committee issue that edmoore doesn't like
[09:28] <AndyEsser> because I suspect he'd constantly be nominated :)
[09:29] <nick_> Yeah, you can host these things pretty easily on github.
[09:29] <russss> wiki's fine. Use git maybe for stuff which should have a bit more friction
[09:29] <nick_> Although I don't think a staging area is easy.
[09:29] <russss> the biggest problem with wikis is not that it's too easy to edit them, it's that nobody actually does.
[09:29] <russss> you need wiki gardeners, and it's a thankless job
[09:30] <craag> "Oh let's make a wiki for x" - two years later there's still only a carefully constructed front page linking to a load of stubs..
[09:30] <LazyLeopard> Yeah, lots of folk in clubs who say "we must have a website", but ask anyone for content, and...
[09:31] <gonzo_> our club site, the members who wrote it left years ago. And no-one in the club has PHP skills to take it on.
[09:31] <mfa298> there's one good example of using github to manage (part of) a site. https://www.raspberrypi.org/documentation/
[09:31] <russss> fwiw I just moved the ukhasnet protocol spec to github, because it means you can use the issues/pull requests for discussion. But that's a bit of a special case. https://github.com/UKHASnet/protocol/
[09:32] <nick_> I think quite a few decent web sites actually use a git repo as the content manager.
[09:32] <nick_> For things which require documentation it's a neat way to allow users to feed back any errors they spot.
[09:34] <AndyEsser> russss: yea, all the documentation and stuff for my OSS projects will be all on Github
[09:34] <AndyEsser> with links from UKHAS wiki
[09:34] <mfa298> I think for ukhas a wiki works well, maybe just needs more people to be brave and edit it.
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[09:40] <AndyEsser> well volunteered mfa298
[09:40] <AndyEsser> :P
[09:47] <mfa298> I have done some edits on there previously, although looking at the recent changes list there's not been much activity by anyone one there
[09:47] <AndyEsser> I remember changing something not long after joining the channel... I'll be damned if I can remember
[09:47] <AndyEsser> maybe one weekend, I'll get _REALLY_ bored and try to re-organise it
[09:47] <AndyEsser> ha
[09:49] <mfa298> I feel like the recent changes list isn't showing all the recent changes.
[09:50] <mfa298> many have come here and said they'll re-organise it, all of them were never heard from again (maybe they're lost in the wiki somewhere along with the useful information)
[09:51] <daveake> colossal cave
[09:51] <AndyEsser> yea, this has been mentioned many times
[09:51] <AndyEsser> :)
[09:52] <daveake> We should get whoever did Farnell's site to help; I can always find what I'm looking for there
[09:52] <daveake> oh wait
[09:54] <AndyEsser> :)
[09:55] <gonzo_> a cave.... can I have one too
[09:55] <AndyEsser> gonzo_: repurpose your range :)
[09:56] <gonzo_> it;s more of a tunnel. Was working in there last night and it is not of the claustrophobic!
[09:56] <gonzo_> for
[09:57] <AndyEsser> ha
[10:05] <edmoore> one edit i would love someone to do (please don;t say well-volunteered) is to put the simple resistor-divider rtty tutorial back in above the pwm-based solution
[10:05] <edmoore> as the latter just puts noobs knickers in a twist
[10:05] <AndyEsser> omg yes
[10:06] <AndyEsser> I have to keep digging around the history of that page to find the image and calculations from adamgreig
[10:07] <AndyEsser> although I would actually prefer a PWM solution atm, before finally committing to laying out a board
[10:10] <mfa298> maybe we need a todo list on the wiki for pages that need attention - I'll let someone else volunteer for that :p
[10:11] <gonzo_> as long as you have a reasonable LPF in there, or you will have spurs up and down the band (which we have seen in the last)
[10:11] <gonzo_> ]past
[10:27] Nick change: SA6BSS-Mike|2 -> SA6BSS-Mike
[10:27] <russss> if anyone is interested I have a number of tokens which let you buy 33c3 (CCC Congress, December, Hamburg) tickets in the presale. If you would like one, please PM me. (UK folks only, at the moment.)
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[10:53] <SA6BSS-Mike> just released a wspr balloon, tx every 10min 2x 1min jt9 call (sa6bss) and 6fig locator followd by alt and speed,
[10:53] <SA6BSS-Mike> then wspr 30m follows by wspr 20m
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[11:04] <SpacenearUS> New position from 03IV3SRD-11 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
[11:10] <SpacenearUS> New vehicle on the map: 03BALYOLO - 12https://tracker.habhub.org/#!qm=All&q=BALYOLO
[11:18] <SpacenearUS> New position from 03N4XWC-1 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N4XWC-1
[11:28] <SpacenearUS> New vehicle on the map: 03DIXON - 12https://tracker.habhub.org/#!qm=All&q=DIXON
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[11:35] <PE2BZ> SA6BSS-Mike wish you a good flight ! Not on the map at the moment ?
[11:35] <SA6BSS-Mike> looks like the tx element have fallen of :(
[11:36] <SA6BSS-Mike> last jt was at 846m now I go
[11:36] <SA6BSS-Mike> t it on 30m wspr @2 -29
[11:36] <SA6BSS-Mike> db
[11:37] <SA6BSS-Mike> well its the first on launched, got the experience I needed , its vastly difffrent launching a 15m long payload
[11:37] <SA6BSS-Mike> vs a 70cm one
[11:38] <PE2BZ> Sorry to hear ... Go find the TX :-)
[11:39] <SA6BSS-Mike> just the elemnt it still flying so mayby some spots its passing close by, I have 5cm stand of that most likly all thats left of the antenna
[11:39] <SA6BSS-Mike> *close by ara sttion
[11:39] <SA6BSS-Mike> *rx
[11:39] <SA6BSS-Mike> and ofc wspr net is down
[11:40] <Geoff-G8DHE-M> !dial dixion
[11:40] <SpacenearUS> 03Geoff-G8DHE-M: Can't find a flight doc matching your query
[11:40] <Geoff-G8DHE-M> !flights
[11:40] <SpacenearUS> 03Geoff-G8DHE-M: Current flights: 03Dixon 10(5bde), 03UBSEDS18 434.612.5 CONTESTIA 16/1000 10(64a5)
[11:40] <Geoff-G8DHE-M> !dial dixon
[11:40] <SpacenearUS> 03Geoff-G8DHE-M: Latest dials for 03DIXON 10(5bde): 03434.450504 MHz, 434.451162 MHz
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[11:44] <SA6BSS-Mike> well its mowing --30 db and a new locator
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[12:14] <Rebounder> hello
[12:15] <SA6BSS-Mike> hello
[12:17] <pb0ahx_> hello to all
[12:20] <pb0ahx_> going BALYOLO also flying today ????
[12:21] <fsphil> tomorrow
[12:21] <pb0ahx_> tnx fsphil
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[12:24] <pb0ahx_> nice Dixon 533 km from me
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[12:44] <Geoff-G8DHE-M> !dial dixon
[12:44] <SpacenearUS> 03Geoff-G8DHE-M: Latest dials for 03DIXON 10(5bde): 03434.45067 MHz, 434.44959 MHz, 434.450583 MHz, 434.451 MHz
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[13:52] <SpacenearUS> New position from 03HIRFW-5 after 034 days silence - 12https://tracker.habhub.org/#!qm=All&q=HIRFW-5
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[14:24] <aadamson> SA6BSS-Mike, see PM from me
[15:11] <edmoore> as there was makefile chat hier i thought this might be useful to someone https://github.com/edrosten/autoconf_tutorial
[15:12] <edmoore> ed is my old boss from my uni lab
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[15:21] <fsphil> autoconf still seems to be the best of a bad bunch
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[15:33] <SA6BSS-Mike> aadamson: reading , giving the kids a bath, back in a moment
[15:37] <mfa298> but it's open source, I thought open source was supposed to be better than all the closed source stuff because reasons.
[15:37] <fsphil> ?
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[15:38] <mfa298> then again there seemed to be a load of things movign to cmake a few years ago. although I've not seen so much of that recently
[15:38] <mfa298> all the open source things that seem to be the best of a bad bunch rather than actually being a good tool
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[16:22] <ryan_in> Is there any way of clearing SSDV images on habhub from your own payload?
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[16:47] <daveake> ask fsphil
[16:49] <daveake> They do get removed after (I think it is) 1 week
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[16:59] <fsphil> ryan_in: hey. what's the callsign?
[16:59] <ryan_in> fsphil: JMHS
[17:00] <fsphil> it's all DL7AD and PE2BZ in there today
[17:01] <daveake> PE2BZ? Makes a change ... :)
[17:01] <fsphil> ryan_in: they'll disappear shortly
[17:01] <ryan_in> Ah ok, thank you!
[17:02] <fsphil> they disappear naturally after 48 hours
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[17:04] <PE2BZ> QRZ
[17:05] <PE2BZ> I do requests ;-) North, South, Sea, clouds...
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[17:06] <PE2BZ> I expected G8FJG to show up as receiver this early morning. Good condition to UK
[17:07] <PE2BZ> daveake the serial gateway runs nice on a 8 MHz arduino :-)
[17:08] <PE2BZ> Is the windows gateway software supposed to be fixed size window ? My string does not fit :-)
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[17:28] <daveake> yes
[17:29] <daveake> windows font size setting >100% probably
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[17:44] <PE2BZ> Does the window size follow the string lenght, or could the payload name be to long to fit in the window ?
[17:44] <PE2BZ> ( fonts are all 100% )
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[18:34] <SpacenearUS> New position from 03MAVIS_1 after 036 days silence - 12https://tracker.habhub.org/#!qm=All&q=MAVIS_1
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[18:47] <WillDuckworth> adamgreig -what was the gui you were using for the martlet telemetry? python based?
[18:53] <adamgreig> WillDuckworth: yea
[18:53] <adamgreig> it's python + flask + bootstrap web ui
[18:54] <adamgreig> quick and simple custom thing
[18:54] <adamgreig> it's on https://github.com/cuspaceflight/m3-avionics in the gcs folder if you want to look but it's pretty janky, we threw it together in about two hours
[18:55] <WillDuckworth> ok - that's good of you, thanks
[19:05] <Ian_> Here you go AndyEsser, fill your boots and make a nuisance of yourself :) http://www.rancba.org.au/acp131_operating_sigs.pdf
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[19:05] Nick change: bertrik_ -> bertrik
[19:06] <Ian_> daveake ZLE2 . . . AndyEsser ZLD2 ho hum!
[19:06] <Ian_> ACP131 is king
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[20:17] <Ian_> Looking for advice - not HAB related - A large Linux program segfaults and produceds a dump file. Does that infer that the program may have been compiled with the -ggdb flag? \
[20:18] <Ian_> has anyone any experience of using ggdb to interrogate such dumps?
[20:27] <mfa298> you can use something like 'gdb -core <corefile>' from memory to load it, about the only thing I've done with that is 'bt' to show the backtrace
[20:28] <mfa298> I think whether core dumps are generated are normally down to a ulimit setting (which most linux dostros turn off now)
[20:36] <Ian_> Many thanks mfa298. Got something that has been misbehaving and memsegging, so am hoping to somehow figure out where it was hoping to go and from where in the hope of finding a programming error.
[20:37] <Ian_> reading past end of C char array perhaps.
[20:42] <mfa298> I used to find segfaults didn't always occur where the memory overflow happened, although that might be beter now.
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[20:43] <mfa298> there used to be libraries you could add in that would provide better bounds checking on access to help track down the fault
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[20:44] <Ian__> This is a vendor's product although I think the local team write some C, so it's a bit of looking in from the outside as to where the problem might lie
[20:45] <Ian__> Plenty of fingers willing to suggest that the hardware might be flakey whilst not being willing to consider a home grown problem
[20:47] <mfa298> if it's segfaulting that would sounds like a software issue, even if it's due to a hardware fault the code ought to be able to handle that.
[20:47] <mfa298> coding defensively and all that.
[20:47] <mfa298> of course bosses lookign at the purse strings would disgree. much cheaper to let it crash and blame someone else
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[20:56] <Upu> ping M0RJX what was the part code for those 434Mhz u.fl antennas ?
[21:07] <AndyEsser> back on the "make chat" - I've used premake before, which wasn't too bad
[21:08] <AndyEsser> Ian__: hmm?
[21:09] <AndyEsser> Ian__: run the code with vagrant to find memory leaks
[21:10] <Ian__> it's a BIG production system
[21:10] <adamgreig> is that code for "it will have a million memory leaks already anyway" :P
[21:11] <AndyEsser> adamgreig: I ran vagrant for a game engine (that naturally has a game loop and runs the same code every frame)
[21:11] <AndyEsser> I had a leak somewhere, it gave up after a few leaks with "Too many problems, fix your damn code"
[21:12] <Ian__> Very probably. I wrote a bit of bash script for them today. I don't think that locally they have heard of error handling even at it's most basic level and the large SW vendor seems to be strangely unavailable - maybe busy firefighting :)
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[21:12] <Ian__> Thanks all for the heads up though.
[21:13] <AndyEsser> good luck
[21:13] <AndyEsser> Ian__: what was that acp131 thing you linked me?
[21:14] <Ian__> adamgreig gonna have some cut down testing here and having got some figures will choose a safe range for 'testing' on HAB
[21:14] <Ian__> Someone will need it AndyEsser - luck that is
[21:15] <adamgreig> what are you using to cutdown?
[21:20] <Ian__> Tallon igniters v 100lb dyneema
[21:20] <SIbot4> In real units: 100 lbs = 45.4 kg
[21:20] <adamgreig> ah cool
[21:20] <adamgreig> how thick is that?
[21:21] <adamgreig> i mostly tested with 1.5mm cord which works very quickly, dunno how they'll fare with something much thicker
[21:21] <Ian__> AS 1 . . . note not QRX 1
[21:22] <Ian__> 100 lb = 0.55mm. 250 lb (too strong) = 0.8mm
[21:22] <SIbot4> In real units: 100 lbs = 45.4 kg
[21:22] <adamgreig> wow, that's pretty good
[21:23] <adamgreig> the cord we're using is like nominally 40kg for 1.5mm
[21:24] <Ian__> Good as long as it melts easily . . . used as sea fishing line. Dyneema in larger (woven) constructions has largely displaced steel hawsers for dragging ships about.
[21:26] <Ian__> I bought just 30 so didn't make the 30p each target, but have enough to check out a few 3V or small lipo and FET tests with differing pulse widths.
[21:26] <Ian__> I was inspired :)
[21:26] <adamgreig> where'd you get it from?
[21:27] <adamgreig> guess I bought 100x to get that price :P
[21:28] <Ian__> .ebay.co.uk/itm/300M-Agepoch-Super-Strong-Dyneema-Spectra-Extreme-PE-Braided-Sea-Fishing-Line-/181264365180?var=&hash=item2a3432b67c:m:m569WhtqB3z4CnfK74E1abw
[21:29] <Ian__> Not exactly there but typical
[21:30] <Ian__> www.ebay.co.uk/itm/300M-Agepoch-Super-Strong-Dyneema-Spectra-Extreme-PE-Braided-Sea-Fishing-Line-/181264365180?var=&hash=item2a3432b67c:m:m569WhtqB3z4CnfK74E1abw
[21:30] <Ian__> Sorry about that
[21:33] <Ian__> Yes, the 100 size works out neatly at 30p each
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[21:40] <Ian__> This one is more realistic 100m 0.5mm (100 lb) green or yellow £3.87 (mine is candy pink)
[21:40] <SIbot4> In real units: 100 lbs = 45.4 kg
[21:40] <Ian__> http://www.ebay.co.uk/itm/Dyneema-Spectra-PE-100-300-500-1000M-Fluorescent-Yellow-Green-Fishing-Braid-Line-/271835191116?var=&hash=item3f4aa3d74c:m:mK3UMbQagLu1ZfwYQIi4mxg
[21:41] <adamgreig> cool thanks
[21:41] <adamgreig> I'll be interested to hear how cutting it goes
[21:41] <Ian__> Welcome. Honey good on your breakfast?
[21:42] <adamgreig> made a marinade for chicken with it last night which everyone enjoyed a lot
[21:42] <adamgreig> haven't had time for breakfast until the weekend, been at a conference all week :P
[21:43] <Ian__> :)
[21:46] <Ian__> The plan will be to shorten the wires significantly, to under 4" to minimise R^2*R losses
[21:47] <Ian__> I^2*R
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[21:48] <adamgreig> yea we have airframe wiring to the nearest bulkhead and cut the talons to just reach that connector
[21:48] <adamgreig> their wires are fairly high resistance
[21:48] <adamgreig> ours are not so much
[21:50] <Laurenceb__> http://www.bibliotecapleyades.net/imagenes_gaia/gaia60_01.jpg
[21:50] <Ian__> For in flight testing, the dynema and cutdown will pass through styrofoam to minimise cooling effects. The object is repeatability
[21:51] <Laurenceb__> I've used 10ohm resistors in the past
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[22:07] <Laurenceb__> I wonder where the alien microbes are on that diagram
[22:10] <Laurenceb__> http://www.ebay.co.uk/itm/Toray-Carbon-Fiber-Tow-T700SC-12000-50-C-New-in-Open-Containers-/262393461617?var=&hash=item3d17de7b71:m:mJH1-Fb19AiM2eCV75IrehA
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[23:01] <SpacenearUS> New position from 03IV3SRD-11 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
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[23:43] <SpacenearUS> New position from 03UBSEDS18 after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=UBSEDS18
[00:00] --- Thu Sep 15 2016