highaltitude.log.20090601

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[11:24] <edmoore> monin all
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[16:20] <Laurenceb> hi
[16:28] <SpeedEvil> hi
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[16:30] <edmoore> afternon all
[16:30] <rjharrison_work> hi edmoore
[16:31] <rjharrison_work> Any sign of a spare eee cover
[16:31] <edmoore> check your email!
[16:31] <rjharrison_work> Just did
[16:31] <rjharrison_work> hehe just arrived
[16:32] <rjharrison_work> Keep it I'll collect at next launch
[16:32] <edmoore> ok
[16:32] <rjharrison_work> i have a few spare here as the others don't use there eee's
[16:33] <rjharrison_work> You a bit less stressed yet?
[16:40] <edmoore> yes :)
[16:45] <Laurenceb> why?
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[16:45] <edmoore> because i have less stress
[16:45] <Laurenceb> lol
[16:45] <edmoore> i don't like flying dodgy old stuff much
[16:45] <Laurenceb> heh
[16:45] <Laurenceb> any idea what broke?
[16:45] <edmoore> and frankly that nova 11/12 payload was thrown together by some of the other guys very quickly - it had to be first time round, fair enough
[16:45] <edmoore> but it's still a heap of crap
[16:46] <edmoore> oh just a loose on power - same as killed nova11
[16:46] <SpeedEvil> was 11/12 found eventually?
[16:46] <Laurenceb> ah
[16:46] Action: Laurenceb has a pp3 connector on his um12 test payload
[16:46] <Laurenceb> bad idea?
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[16:48] <SpeedEvil> pp3 is good - as long as you don't stress it
[16:49] <Laurenceb> hmm ok
[16:49] <Laurenceb> http://people.mozilla.com/~dolske/apng/demo.html <- mybe I'm slow but this is interesting
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[16:53] <grummund> Laurenceb: http://upload.wikimedia.org/wikipedia/commons/1/14/Animated_PNG_example_bouncing_beach_ball.png
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[16:54] <edmoore> no, batteries not the issue
[16:54] <edmoore> loose connection
[16:54] <edmoore> batts not secure properly
[16:55] <edmoore> it won't fly again
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[17:15] <sbasuita> DanielRichman, what do you think about the radio club response
[17:16] <DanielRichman> sbasuita, I've failed to read it. give me 5 mins
[17:18] <DanielRichman> sbasuita, Sounds good.
[17:23] <Laurenceb> joining a radio club?
[17:24] <DanielRichman> Just starting with the foundation license
[17:24] <sbasuita> DanielRichman, just replied him
[17:24] <sbasuita> Yeah, apparently we just missed the May course :(
[17:24] <DanielRichman> :X
[17:24] <DanielRichman> this is yaw fault!
[17:24] <sbasuita> I'll take a look at what Reading is doing
[17:25] <sbasuita> of course daniel
[17:26] <DanielRichman> ok
[17:26] <DanielRichman> sbasuita, I'll leave the organisation to you ;)
[17:27] <rjharrison_work> Just join the May course if you can it's on;y takes about 8 hours to pass the exam
[17:28] <rjharrison_work> It's real easy
[17:28] <sbasuita> It's already finished.
[17:29] <sbasuita> I said that we'd be very happy to learn the stuff ourselves and just take a test. He replied that he would talk to other people to talk about it
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[17:36] <rjharrison_work> steve
[17:36] <rjharrison_work> Cool
[17:36] <rjharrison_work> U there a sec
[17:47] <Laurenceb> hehe I left the tracker page running for a few days
[17:47] <Laurenceb> theres balloons everywhere
[17:50] <sbasuita> DanielRichman, http://www.g0mwt.org.uk/training/courses/foundatn.htm
[17:51] <DanielRichman> sbasuita, so learn that and we're rollin?
[17:51] <sbasuita> DanielRichman, its easy stuff
[17:51] <sbasuita> DanielRichman, take a look at some past papers
[17:51] <sbasuita> DanielRichman, you can blag your way through
[17:51] <DanielRichman> right
[17:52] Action: DanielRichman starts downloading these files
[17:53] <DanielRichman> They put so much effort into naming these
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[17:53] <DanielRichman> low frequency, medium frequency, high frequency, REALLY HIGH FREQENCY, A BIT HIGHER THAN THAT FREQUENCY
[17:54] <SpeedEvil> a new band only comes along every decade or so
[17:54] <SpeedEvil> as technology makes it possible to use
[17:54] <SpeedEvil> for example, much current excitement iis around 60GHz
[17:55] <SpeedEvil> which offers the advantage of only having a range of well under a kilometer
[17:55] <sbasuita> "Licence must be revalidated every 5 yrs" - another test?
[17:55] <SpeedEvil> so it's quite good for avoiding distant interference - but great for wifi-likes
[17:56] <SpeedEvil> 10gbit wireless say
[17:56] <SpeedEvil> But the technology is quite a few years off yet
[17:56] <DanielRichman> groovy
[17:56] <sbasuita> "No public broadcasting, speeches, offensive language etc"
[17:56] <sbasuita> "Contacts must only be with other licensed amateurs"
[17:56] <sbasuita> wut!
[17:57] <SpeedEvil> the intent of that is to stop unlicensed peeps being able to talk.
[17:57] <SpeedEvil> in theory
[17:58] <sbasuita> the first is surely not an ofcom rule
[17:58] <sbasuita> so i could lose my license by talking to someone who doesn't have one?
[17:58] <sbasuita> that's harsh
[17:59] <sbasuita> "Licensees may use codes and abbreviations to assist communication, but they must not obscure the meaning" - keep the wiretappers happy, moving on...
[17:59] <SpeedEvil> I expect in reality, the numbers that lose their license that way a year can be counted on the fingers of one scrotum.
[17:59] <Laurenceb> if you get complains about your encodeing you could just publish the source code later
[18:00] <sbasuita> that's a point
[18:00] <sbasuita> but does that prohibit encryption for example?
[18:00] <SpeedEvil> A lot of this was codified after the war
[18:00] <SpeedEvil> ww2
[18:01] <SpeedEvil> or IIRC ww1-ww2
[18:01] <SpeedEvil> so spying was a real concern
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[18:05] <sbasuita> "Foundation Licensees may personally operate their Radio Equipment or directly supervise another UK Amateur using it
[18:05] <sbasuita> - provided they use your callsign and licence conditions.
[18:05] <sbasuita> eg 10W max etc" - does that mean that someone with an advanced license couldn't pick up my radio and use their callsign? Seems a bit odd...
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[18:05] <sbasuita> also, they would be restricted to a lower power than their qualification?
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[19:01] <Laurenceb> SpeedEvil: do you lose engine efficiency as you make rocket engines smaller?
[19:03] <sbasuita> DanielRichman, make an account at http://hamtests.co.uk - got 25/25 in 5 mins on a 45 min foundation test *shrug*
[19:10] <DanielRichman> sbasuita, k, will do later
[19:14] <Laurenceb> http://www.isas.jaxa.jp/e/special/2003/yamagami/02.shtml
[19:18] <Laurenceb> like the last photo :P
[19:18] <Laurenceb> looks like a james bond base
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[20:00] <edmoore> all yo
[20:05] <sbasuita> hi
[20:05] <Laurenceb> yo DAWG
[20:09] <DanielRichman> "Foundation Licence only permits use of commercial equipment to minimise the risk of interference and/or out-of-band operation." --- Does that mean that aerials have to be bought or does it only apply to transceivers?
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[20:44] <sbasuita> DanielRichman, ofcom isn't going to come and spy on you
[20:44] <DanielRichman> sbasuita, /sigh
[20:44] <DanielRichman> anyway. Have you looked into the reading radio guys?
[20:44] <sbasuita> DanielRichman, no
[20:45] <sbasuita> DanielRichman, hardest part of the exam will be the practical
[20:46] <DanielRichman> sbasuita, obviously. I suggest we just do the course - easier that way
[20:47] <sbasuita> DanielRichman, there is no course
[20:47] <DanielRichman> there's a training centre in camberly
[20:47] <DanielRichman> could check that out
[20:48] <DanielRichman> sbasuita, you said you got 100% on hamtests.co.uk - where did you get your learning from, or just common sense?
[20:48] <sbasuita> DanielRichman, i read all the slides
[20:48] <sbasuita> DanielRichman, that's it really
[20:48] <DanielRichman> sbasuita, lol
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[20:54] <DanielRichman> rofl, sbasuita, one of the mock questions:
[20:54] <DanielRichman> The holder of 2M1ABC is:
[20:54] <DanielRichman> A. a Foundation licence holder in England
[20:54] <DanielRichman> B. a pirate
[20:54] <DanielRichman> ...
[20:54] <sbasuita> DanielRichman, http://www.commsfoundation.org/rce/pdf/foundationsyllabus09.pdf . Section 8. You could do a crash course in those radio comms in one evening at a monthly club meeting.
[20:55] <Laurenceb> it means radio pirate
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[20:55] <Laurenceb> i.e. is that callsign valid
[20:55] <DanielRichman> Aww.
[20:55] <DanielRichman> I was hoping it was something to do with skulls, crossbones and someone on the black pearl with a UHF transmitter
[20:55] <rjharrison> Yi edmoore Helen founf my eee cover so the one you have must be Fergus's
[20:55] <edmoore> ok cool
[20:55] <edmoore> thanks
[20:56] <rjharrison> Sorry
[20:56] <sbasuita> Pirates have designated callsign bands...
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[20:59] <DanielRichman> sbasuita, this hamtests.co.uk website just spends 60% of it's time plugging that damn book
[21:01] <Laurenceb> mc_-: ping
[21:02] <sbasuita> http://gamesbyemail.com/News/DiceOMatic
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[21:05] <natrium42> hi
[21:08] <Laurenceb> haha brilliant
[21:08] <natrium42> who, me?
[21:10] <Laurenceb> http://gamesbyemail.com/News/DiceOMatic
[21:11] <natrium42> so not me? :(
[21:12] <Laurenceb> you 2
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[21:20] <sbasuita> want http://www.youtube.com/watch?v=X9dpXHnJXaE
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[21:38] <Laurenceb> youve been on hackaday
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[21:40] <sbasuita> ; )
[21:52] <grummund> heh. i'm sure his employer is happy for their dialin and his username/passwd to be up on youtube ;-p
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[22:51] <rjharrison> http://www.flickr.com/photos/30721501@N05/3586294757/sizes/l/
[22:51] <rjharrison> This is my mobile set up for HAB tracking
[22:51] <rjharrison> Just got a windscreen mount for the eee
[22:57] <Laurenceb> break my windows
[22:59] <rjharrison> hehe
[22:59] <rjharrison> Yep it does have that factor
[23:06] <Laurenceb> how do you drive like that?
[23:06] <Laurenceb> talk about distractions
[23:07] <SpeedEvil> Laurenceb: yes - for several reasons as I understand it
[23:07] <rjharrison> hehe that is also a good question
[23:07] <rjharrison> though I usually have three young children in the car which helps tune the aboility to drive with distractions
[23:07] <SpeedEvil> Laurenceb: A) increased surface area/volume of the chamber causes more losses through the chamber walls
[23:08] <SpeedEvil> Laurenceb: B) Lower residence time in the chamber - less complete reactions
[23:08] <Laurenceb> not an issue with solar thermal
[23:08] <SpeedEvil> C) Harder to accurately machine - jets don't meet as well, throat is relatively rougher
[23:09] <SpeedEvil> D) I think there are also skin effects on the actual nozzle/throat, whih cause analogous problems to A)
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[23:11] <SpeedEvil> Laurenceb: but I've just woken up - had a really lazy day - practically only thing I've managed to do is update flickr with more garden pics.
[23:11] <Laurenceb> :P
[23:11] <SpeedEvil> A partial excuse is that I was just getting up to do some strimming, when the council came round and did it.
[23:12] <SpeedEvil> Which was nice.
[23:13] <Laurenceb> the verge
[23:13] <SpeedEvil> yeah - about 300m^2
[23:14] <Laurenceb> get a goat
[23:14] <SpeedEvil> Have had goats - well - parents have.
[23:15] <SpeedEvil> And practically, it'd be more complex setting up fences
[23:15] <SpeedEvil> also - it's over a right of way
[23:15] <Laurenceb> tethered
[23:15] <SpeedEvil> dogs
[23:15] Action: Laurenceb considers gps goat collar
[23:21] <Laurenceb> l it to google
[23:24] <SpeedEvil> ?
[23:26] <Laurenceb> they have goats for their lawns
[23:26] <SpeedEvil> ah
[23:27] <SpeedEvil> Practically though, it's much more costly and time-consuming than the strimmer
[23:32] <Laurenceb> strimmers tend to spray stuff everywhere
[23:32] <Laurenceb> its a pain to tidy up
[23:32] <Laurenceb> http://news.bbc.co.uk/today/hi/today/newsid_8076000/8076805.stm
[23:47] <SpeedEvil> Laurenceb: that's assuming you tidy up
[23:54] <SpeedEvil> I'm basically aiming at keeping the grass/... under about 30cm
[23:56] <SpeedEvil> which strimmer works OK for
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[00:00] --- Tue Jun 2 2009