highaltitude.log.20160116

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[01:39] <SpeedEvil> Woo?
[01:39] <SpeedEvil> Elon Musk @elonmusk 27s27 seconds ago
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[01:39] <SpeedEvil> Conducted hold-down firing of returned Falcon rocket. Data looks good overall, but engine 9 showed thrust fluctuations.
[01:44] <SpacenearUS> New position from 03PS-58 after 036 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PS-58
[01:55] <Laurenceb_> interesting
[01:55] <Laurenceb_> dunno if that is significant or not
[01:56] <Laurenceb_> they very often seem to have slight test issues
[01:58] <SpeedEvil> yeah
[02:03] <Laurenceb_> also I'm not sure that a clean test is good news
[02:03] <Laurenceb_> I'd expect them to want to CT/micro CT is or something
[02:03] <Laurenceb_> but I guess they can test a lot of the thermal/ stress exposure on the test bench
[02:06] <Lunar_Lander> good night
[02:08] <SpeedEvil> They are going to (if things go right) have a _lot_ of cores to analyse in detail
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[02:11] <Laurenceb_> they do seem to have invested a crazy amount to get practical reuse
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[02:15] <Laurenceb_> started off dirt simple with chutes, then gradually grew to RCS, fins + hydraulic system, multiple relights on three engines, legs, precooling and crazy mass penalty
[02:15] <Laurenceb_> a lot to pay for
[02:15] <Laurenceb_> wonder if its a case of incremental changes being a bad idea
[02:16] <Laurenceb_> if they had rethought it at the start and tried to use the hot air ballute idea....
[02:16] <SpeedEvil> True, perhaps.
[02:17] <Laurenceb_> but ultimate cost of their current system will probably be lower
[02:17] <SpeedEvil> I really want to see if S2-metholox ends up being a thing
[02:17] <Laurenceb_> yeah that sounds interesting
[02:17] <Evidlo> How does a piece of wire compare to a real whip antenna?
[02:18] <Laurenceb_> very well if its narrow
[02:18] <SpeedEvil> Evidlo: a piece of wire _is_ a real antenna
[02:18] <Laurenceb_> heh
[02:18] <Laurenceb_> I think he means theoretical
[02:18] <SpeedEvil> 'real' antennas just have rubber and stuff around them, and nice plastic
[02:18] <SpeedEvil> ah
[02:18] <Evidlo> performance-wise
[02:19] <Evidlo> I just have some 22 gauge wire, 1/4 wavelength, soldered to my tranceiver module
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[02:19] <Evidlo> Will this probably be good enough for a HAB? I"m using a DRA818V
[02:19] <SpeedEvil> #groundplanesmatter
[02:19] <SpeedEvil> 10mW?
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[02:20] <Evidlo> The datasheet says .5W and 1W settings
[02:20] <SpeedEvil> Evidlo: you're in the UK?
[02:20] <Evidlo> USA
[02:20] <SpeedEvil> ah
[02:21] <SpeedEvil> you may want some sort of ground plane, though it will likely work OKish without
[02:21] <SpeedEvil> ground plane/ radials
[02:21] <Evidlo> Why did you say 10mW? Isn't that really weak?
[02:22] <SpeedEvil> https://ukhas.org.uk/_media/guides:payloadantenna2.jpg?w=400&tok=a10be4
[02:22] <SpeedEvil> 10mW is the typical power used here, as it's the legal max.
[02:22] <SpeedEvil> In practice, reception over >500km is routine.
[02:22] <SpeedEvil> (@50bps-300bps or so)
[02:26] <Evidlo> Maybe I'm misunderstanding the 1W spec then
[02:26] <Evidlo> That seems too large
[02:27] <Laurenceb_> Evidlo: theoretically the range is much larger
[02:27] <Laurenceb_> maybe you are used to propagation on the ground
[02:27] <Evidlo> No. 1W seems too large
[02:28] <Laurenceb_> thats a bit different, you see _many_ dB more loss
[02:31] <SpeedEvil> 1W will also allow you a lot more bandwidth with the same SNR
[02:32] <Evidlo> Is it likely powerful enough for a HAB without using APRS?
[02:32] <Evidlo> ie. point to point
[02:32] <SpeedEvil> yes.
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[02:32] <adamgreig> depends what point to what point
[02:32] <adamgreig> and what antenna you have on the ground, how fast you transmit data, etc etc
[02:33] <adamgreig> the "normal" HAB stuff in the UK works with 10mW because we transmit at most 300 bits per second and generally have good receivers and antennas
[02:33] <adamgreig> and even then to stand a chance of receiving it in the final kilometer of descent you really need to have chased it to near the landing spot
[02:33] <adamgreig> (that will be true of a 1W transmitter too incidentally)
[02:34] <Evidlo> So APRS helps with that
[02:37] <SpeedEvil> The predictor helps _lots_ with determining where the thing is likely to land.
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[09:38] <SpacenearUS> New position from 03RPF-A1 after 0320 hours silence - 12http://tracker.habhub.org/#!qm=All&q=RPF-A1
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[10:15] <eroomde> morning jcoxon
[10:16] <eroomde> https://twitter.com/windyoona/status/594193314284441600
[10:16] <eroomde> i'm not sure why that's a good thing
[10:16] <eroomde> is there some coding scheme to ensure a minimum jump size?
[10:16] <eroomde> as the inner ring dots are so very close togther
[10:18] <jcoxon> morning er
[10:18] <eroomde> 'er'
[10:18] <jcoxon> yeah there is someone else with er
[10:19] <jcoxon> and i'm to lazy to type more then 2 letters before i expect tab completion to do the rest for me
[10:19] <jcoxon> hows trics?
[10:20] <jcoxon> tricks*
[10:20] <jcoxon> oh dear
[10:21] <eroomde> got some pcbs sent off yesterday
[10:21] <eroomde> 1-0 for the week
[10:21] <eroomde> so that's good
[10:21] <eroomde> that's about it. quiet one
[10:23] <jcoxon> cool
[10:23] <jcoxon> any progress with those boards?
[10:23] <eroomde> you?
[10:23] <jcoxon> had a nasty cold and helen had flu so quiet week
[10:23] <eroomde> nope, however towards that end in a yak shaving way, i have this week put togther (well, started) home tronics lab
[10:23] <eroomde> desk, shelves, bringing some of my tools home from work
[10:24] <eroomde> https://www.dropbox.com/s/efj81hp65o84vrz/2016-01-14%2009.25.07.jpg?dl=0
[10:25] <eroomde> still lots ot do and wire in (and get more lighting and so on) but it's on the way
[10:25] <jcoxon> oh nice
[10:25] <eroomde> so i guess that was this week's achievement outside work
[10:25] <jcoxon> yeah that looks very pro
[10:26] <eroomde> assembling that desk upside down and turning it over by myself without about 1mm to spare on each wall in that small room
[10:26] <eroomde> without taking a gouge out of the plaster
[10:26] <jcoxon> tight fit
[10:26] <eroomde> mmm
[10:27] <eroomde> going to get a rolling tool cabinet with shelves and then that's the bulk of it done
[10:27] <eroomde> ... and so i can assemble PCBs at home now and get them online
[10:27] <jcoxon> cool
[10:30] <eroomde> sorry to hear about colcds and flus
[10:30] <eroomde> are you allowed to work with infectious things?
[10:31] <jcoxon> not in helens line of work
[10:31] <jcoxon> i'm all better now though
[10:31] <eroomde> i've had a runny nose and no other symptoms for about 2 weeks now
[10:31] <eroomde> really annoying
[10:32] <jcoxon> looks like a good day for a balloon launch here
[10:32] <eroomde> yep
[10:32] <eroomde> cold
[10:32] <jcoxon> nice and clear and quite windless
[10:32] <jcoxon> yes well perhaps pre-tie your knots
[10:32] <eroomde> do you remember those feb sunday morning balloon launches at ears?
[10:33] <jcoxon> yeah
[10:33] <eroomde> where we had to take 30s shiftfs at using the screwdriver before we lost feeling in fingers
[10:33] <jcoxon> need those usb powerered heated gloves
[10:33] <eroomde> to dx.com
[10:34] <jcoxon> perhaps we should have a renunion balloon launch sometime
[10:35] <eroomde> i've not been to ears for a while
[10:35] <eroomde> would be good
[10:38] <jcoxon> after my exam ;-)
[10:38] <jcoxon> on that note back to work
[10:38] <jcoxon> bbl
[10:38] <eroomde> ttfn
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[10:56] <fl_0> what are people using as power source for the pi-in-the-sky PCBs?
[10:56] <fl_0> we have a little problem that the values for voltage and current are somewhat not real
[10:57] <fl_0> we use 4 AA batteries
[10:57] <fl_0> and the telemetry always shows 4.1V and 175mA in the telemetry
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[10:57] <fl_0> I guess that the ADC converter is somewhat overdriven by the input voltage of around 6V (from the 4 AA batteries)
[10:58] <fl_0> anyone expirienced the same issue?
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[10:59] <number10> your desk set-up looks good eroomde
[10:59] <eroomde> i've rejigged a bit and probably will again as i get all my stuff over
[10:59] <eroomde> but it's a start
[11:00] <nick_> fl_0: try measuring it with a multieter at the same time.
[11:01] <number10> managing components, just to build one HAB tracker usually takes up masses of room - loads of little bags from Farnell
[11:05] <eroomde> yes. it doesn;t scale well
[11:05] <fl_0> nick_: we did that. As I said: The battery voltage is 6.something volts
[11:05] <fl_0> And telemtry tells its 4.1 volts
[11:06] <eroomde> number10: at work i lot a million 9L really useful boxes
[11:06] <fl_0> From what I read from the datasheet of the MCP3426 ADC chip is that it just handles up to 2.048V input
[11:06] <eroomde> one for each project
[11:06] <eroomde> and i put the components in those
[11:06] <fl_0> And its fired with half of the battery voltage
[11:06] <fl_0> So I guess that is too much
[11:07] <fl_0> But maybe I miss something
[11:12] <number10> good idea
[11:13] <nick_> fl_0: don't give it a voltage outside its range.
[11:13] <nick_> Use a potential divider, then calculate the actual voltage.
[11:14] <nick_> eroomde: got a link to the type of boxes?
[11:14] <fl_0> nick_: that is correct. BUT: we just use the PitS board as it is
[11:14] <fl_0> it has printed the input voltage on the PCB: 2,7 to 15V
[11:15] <nick_> Just this morning I was lamenting someone only using the term "medium" to describe a box size.
[11:15] <fl_0> the PCB v2.4 hast a 1/2 divider in front of the ADC chip
[11:15] <nick_> That's probably what the regulator handles.
[11:15] <fl_0> so that would allow up to 4V to be measured
[11:15] <fl_0> but what about the rest (4 to 15V)?
[11:16] <fl_0> has that not been taken into account while designing the PCB resp. circuit?
[11:16] <fl_0> nick_: correkt. the regulator handles taht
[11:17] <nick_> Well, you can always switch out the resistors.
[11:17] <nick_> So it'll handle whatever range you are going to give it.
[11:17] <fl_0> jepp sure
[11:18] <fl_0> I was just wondering about this issue because we just used what was delivered with the board
[11:18] <nick_> eroomde: I think I have some electoronis project in a (0.9L?) RUB.
[11:18] <fl_0> and obviously does not work
[11:18] <nick_> Whichever one is large enough to fit a standard bread board into.
[11:18] <fl_0> meaning the voltage measuring
[11:21] <fsphil> I had thought about using a little tray for each project, and just sliding them onto a shelf when not using
[11:22] <fsphil> less chance of something not fitting, though it could all easily be tipped over
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[11:27] <M0XTF> Is RPF-A1 airborne to track today?
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[11:29] <fsphil> didn't see any launch announcements. possibly just someone testing
[11:32] <M0XTF> Thanks, I probably misunterstood the HABHUB Tracker website which has a prediction on it.
[11:34] <eroomde> nick_: one sec
[11:34] <fsphil> yeah, it's harder to tell the prediction from the path for payloads on the ground
[11:34] <eroomde> http://www.reallyusefulproducts.co.uk/uk/html/boxdetails.php
[11:35] <eroomde> the 9L ones
[11:35] <fsphil> hah, good name for a shop
[11:35] <eroomde> they're veryy good, those boxes
[11:36] <fsphil> the smaller ones might be a good for cable storage
[11:36] <fsphil> I've a load of cardboard boxes that are slowly falling apart
[11:38] <eroomde> https://www.dropbox.com/s/4nwq2vubb4nml3g/2013-05-21%2020.19.33.jpg?dl=0
[11:38] <eroomde> you can see them on the left there
[11:38] <eroomde> we use the big 64L ones at qwork a lot in the sotrage racks
[11:44] <nick_> 9L just fits an a4 page?
[11:45] <eroomde> yes iirc
[11:45] <eroomde> http://www.reallyusefulproducts.co.uk/uk/html/onlineshop/rub/b09_0litre.php
[11:45] <eroomde> i usually use them for a pcb project. pcb, stencil, 400 little farnell bags
[11:46] <eroomde> if it's something i'm likely to have to make more than once anyway
[11:46] <nick_> The 9L are the half shelf height ones?
[11:46] <eroomde> yes
[11:47] <eroomde> bbl
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[12:07] <eroomde> AndyEsser is here
[12:09] <eroomde> he says hello
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[12:11] <fsphil> ahoy
[12:20] <fl_0> daveake: do you knowabout this issue?
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[12:35] <number10> not a bad price those boxes
[12:35] <Ian_> Ice cream boxes are easily replaced . . . 1L, 2L, 4L & 10L &) feeling queasy!
[12:37] <number10> free if you eat ice cream in large quantities
[12:37] <fsphil> mmmm
[12:37] <number10> I must find a use for wine bottle
[12:37] <number10> s
[12:37] <Ian_> Rev Langstroth found a use for his champagne boxes Beehives !
[12:39] <nick_> number10: I heard they can store wine...
[12:40] <chris_99> heh
[12:40] <nick_> I wonder how well it works to reuse the screw top ones.
[12:40] <Ian_> That's probably a better use to be honest. I think he got though a fair few boxes though
[12:41] <number10> they dont store for very long in my house nick_
[12:41] <Ian_> I think that screw top wine bottles encourages bad habits
[12:42] <Ian_> It's meant to be drunk one opened and not stored in the fridge for a week
[12:42] <nick_> So you want ones with self destructing caps?
[12:43] <Ian_> Larger thirst perhaps X)
[12:45] <nick_> Or smaller bottles?
[12:46] <nick_> When I lived in Geneva a wider range of bottle sizes were available.
[12:46] <nick_> 0.5 litres being quite common, for example.
[12:56] <murb> 568ml cans here # https://www.yuri.org.uk/~murble/pint-beer.jpg
[12:56] <murb> curious size :)
[12:59] <nick_> "Premium" pillsner for 59 cents?
[12:59] <murb> overpriced i know.
[13:00] <nick_> I'm surprised you get bitburger in English sizes, I've never seen it here.
[13:00] <nick_> Maybe they make something they do export here in the same factory and had a factory line mix up.
[13:00] <murb> well i was sufficiently suprised to take a photo
[13:01] <murb> i'm assuing they had surplus cans of that size.
[13:01] <murb> maybe the uk and irish markets didn't really work for them?
[13:01] <nick_> Yeah, the can must be a significant part of the price for those.
[13:01] <nick_> Doesn't Ireland use half litres?
[13:01] <murb> as does the uk
[13:02] <murb> in supermarkets.
[13:02] <murb> because they get to sell you slightly less for the same price :)
[13:02] <nick_> Do we?
[13:02] <murb> i've certainly noticed it with bottled beer.
[13:02] <Vaizki> we get Finnish beers also in pint size cans for some reason
[13:02] Action: nick_ can't remember the last time he bought beer in the supermarket
[13:02] <nick_> Vaizki: because it's the size God intended?
[13:03] <Vaizki> But 0,33 and 0,5 liter are the normal ones
[13:03] <murb> nick_: neither can i, but i've certainly looked at what they've had for sale.
[13:03] <nick_> I assume you also have a monarch who the gods communicated this to some how?
[13:03] <Vaizki> I don't believe in God given bottle sizes
[13:04] <Vaizki> I am drinking Nøgne Ø Gud Jul Christmas ale here
[13:05] <Vaizki> Very good with the oxtail soup lunch
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[13:08] <mfa298> my experience of beer/ cider in cans in UK supermarkets is the size can vary between 450/500/550ml usually the smaller ones when theres a deal on
[13:09] <nick_> Are bottles usually larger?
[13:09] <mfa298> that's buying the better quality beers, not the stuff they scraped from the barrel and added water to
[13:10] <mfa298> I think the bottle match up with the larger can sizes
[13:10] <Vaizki> I think the bottles are 0,5 liters?
[13:10] <Vaizki> Or then they bottle separately for export
[13:11] <mfa298> quite possibly
[13:11] <Vaizki> Here all English and Scottish beer is 0,5 liter bottles or Cana
[13:11] <Vaizki> cans..
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[13:18] <mfa298> the bottles I've got in the fridge are 500ml and I think most of the cans are probably the same, with some cans being 450
[13:21] <Vaizki> any idea why 450?
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[13:36] <mfa298> my best guess is the super markets can sell them slightly cheaper than the competitors 500mL cans and make it look cheaper
[13:36] <mfa298> I first saw the smaller cans in one of the discount supermarkets
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[14:07] <Lunar_Lander> hello
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[14:27] <Vaizki> well this seems weird.. http://www.icomamerica.com/en/products/amateur/hf/7300/default.aspx
[14:27] <Vaizki> icom makes a direct sampling fpga based receiver but doesn't for example bother to offer I/Q out over usb or ethernet
[14:28] ZS1JEN (a90089f1@gateway/web/freenode/ip.169.0.137.241) joined #highaltitude.
[14:28] <Vaizki> and their idea of a high quality large spectrum scope is a 4.3" touch screen :)
[14:30] <ZS1JEN> good day, is anyone using the habuino v4 software?
[14:33] <ZS1JEN> I am spent a number of ours trying to get APRS working and would appreciate some help.
[14:34] <number10> not sure if anyone who is here at the moment uses that
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[14:36] <ZS1JEN> ok thanks, i managed to get flextrack working for both APRS and RTTY, but would like to get habduino v4 working. If there are any suggestions on alternatives that would also be appreciated.
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[14:48] <Lunar_Lander> Upu, how come you don't offer single ublox modules anymore?
[14:48] <Upu> I do
[14:48] <Upu> just hidden
[14:49] <Upu> stick MAX in the search box
[14:49] <Lunar_Lander> cool thanks
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[15:14] <eroomde> andyesser still alive
[15:15] <fsphil> haven't shown him the scope yet?
[15:27] <Vaizki> You mean scope envy will eat him alive from the inside?
[15:28] <fsphil> ah yes, it's a slow process
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[15:36] <eroomde> we're at my work
[15:41] <fsphil> OT, but neat: http://www.slate.com/blogs/bad_astronomy/2016/01/16/optical_phenomenon_draws_a_map_of_a_city_in_the_sky.html
[15:46] <Vaizki> yea we had great light pillars here
[15:46] <Vaizki> I was just too lazy to photo them..
[15:59] <fsphil> never seen anything like it
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[17:09] <SpacenearUS> New vehicle on the map: 03UBSEDS13 - 12http://tracker.habhub.org/#!qm=All&q=UBSEDS13
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[17:29] <MikeUoN> :)
[17:30] <Laurenceb_> https://www.newscientist.com/article/dn28786-comets-cant-explain-weird-alien-megastructure-star-after-all/
[17:32] <Laurenceb_> surely a dyson "sphere" would actually have to be a ring?
[17:33] <Laurenceb_> in which case longwave IR would be hiding down in the noise
[17:36] <Lunar_Lander> hm
[17:36] <Lunar_Lander> a strange behaviour indeed
[17:46] <MikeUoN> Didnt Dyson himself say that the idea of a hollow sphere would be impossible? I thought what he proposed was more like a bunch of independent stations in a particular pattern?
[17:51] <MikeUoN> yeah http://science.sciencemag.org/content/sci/132/3421/252.2.full.pdf
[17:55] Action: LazyL_M0LEP suspect that even if comets cant explain it they get a few orders of magnitude closer to a probable explanation than "weird alien megastructures"...
[17:56] <MikeUoN> LOL indeed
[17:56] <LazyL_M0LEP> Also, I can't type accurately this evening, it seems...
[17:56] <MikeUoN> hehe, how are you doing?
[18:08] <eroomde> apparently only adult dinosaur fossils are dug up by collectors
[18:09] <eroomde> presumably they leave the juvenile dinosaur fossils to grow so we can stay sustainably collecting.
[18:10] <MikeUoN> Sounds legit :P
[18:10] <nick_> There was a reduction in the number of known dinosaur species because of that.
[18:10] <MikeUoN> Wait seriously? O.o
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[18:11] <nick_> A number of smaller "species" were realised to be just young when some of their bone structures were examined.
[18:12] <MikeUoN> That's pretty cool.
[18:18] <MikeUoN> omg the PS balloons are still going O>o wow
[18:22] <Laurenceb_> PS-57 popped
[18:22] <Laurenceb_> which was interesting
[18:23] <MikeUoN> cool
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[18:23] <MikeUoN> Ah yeah, looks like it had a bumpy few days too
[18:24] <Laurenceb_> dunno if it was UV damage or slow envelope creep
[18:24] <MikeUoN> Has anyone recovered a floater thats been up for a few days
[18:25] <Laurenceb_> Leo recovered one after about a day
[18:25] <Laurenceb_> the aluminium starts to degrade
[18:25] <MikeUoN> I was looking at removing the aluminium - is that not such a good idea?
[18:25] <Laurenceb_> its a very good idea
[18:25] <MikeUoN> phew :D
[18:26] <Laurenceb_> causes all sort of issues
[18:26] <Laurenceb_> PS-x is flying with the alu still on
[18:27] <Laurenceb_> Leo sprayed with hot drain cleaner
[18:27] <MikeUoN> Oh yeah, these are 'just' standard qualatex correct?
[18:27] <Laurenceb_> not very nice but it worked
[18:27] <Laurenceb_> yup
[18:27] <MikeUoN> cant argue with it if it works :P
[18:34] <MikeUoN> A shame you can't seem to buy the material the qualatex balloons are made from easily, at least in sensible quantities. :P
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[18:38] <SpacenearUS> New vehicle on the map: 03CALLSIGN123_chase - 12http://tracker.habhub.org/#!qm=All&q=CALLSIGN123_chase
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[19:30] <SpacenearUS> New vehicle on the map: 03K6GLS-11 - 12http://tracker.habhub.org/#!qm=All&q=K6GLS-11
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[19:56] <SpacenearUS> New vehicle on the map: 03KJ4TDM-1 - 12http://tracker.habhub.org/#!qm=All&q=KJ4TDM-1
[19:59] <SpacenearUS> New vehicle on the map: 03WB8ELK-1 - 12http://tracker.habhub.org/#!qm=All&q=WB8ELK-1
[20:01] <SpacenearUS> New position from 03N4XWC-1 after 034 days silence - 12http://tracker.habhub.org/#!qm=All&q=N4XWC-1
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[20:56] Nick change: Steffann -> Steffanx
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[21:10] <gurlavie> Hi, trying to contact HAB Supplies through their contact form. But verification code fails every time. Any idea of a direct email ?
[21:14] <SpeedEvil> Upu:
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[21:59] <Upu> hey gurlavie
[21:59] <Upu> just checking that
[22:00] <gurlavie_> Thanks
[22:00] <Upu> odd seems to work for me
[22:00] <Upu> I opened a private chat
[22:00] <gurlavie_> yep. Strange. Feeling idiot. But I can't make it work for me.
[22:01] <Upu> there should be a new tab on your screen with my name on it
[22:01] <Upu> click that
[22:02] <gurlavie_> Sec
[22:05] <gurlavie> Upu ?
[22:10] <Laurenceb_> http://i.imgur.com/BBAHPyU.jpg
[22:11] <Vaizki> fsphil: the light pillars are not as well defined when viewed directly but still impressive.. they really shine in photos though
[22:25] <Vaizki> ok so.. stilton.. port wine.. thank you britain. that'll be all for now, carry on
[22:32] <fsphil> don't forget the Jaffa Cake
[22:34] <Vaizki> well we make them here in Finland too so thanks for inventing them yes
[22:34] <Vaizki> but Stilton I guess you can't make if you don't have the right limestone cave or something
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[23:06] <critcalmass> Evening all
[23:07] <critcalmass> Well, nearly good morning!
[23:07] <critcalmass> I hoped to get so much dome on the HAB project today, but did nothing.
[23:07] <fsphil> ah still early yet
[23:08] <fsphil> zzzz
[23:08] <critcalmass> :-)
[23:08] <critcalmass> Tomorrow is dedicated to the usual panicked tax return that say I'll do earlier every year.
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[23:21] <mfa298> critcalmass: but you've still got a couple of weeks spare to go for that.
[23:25] <critcalmass> Yeah, I've done it on the deadline before. Two weeks is as close as I want to get.
[23:26] <critcalmass> Really wanted to get our HAB up to 35k, but every projection I do with 5m/s up and down prety much gives the French a free GoPro.
[23:27] <critcalmass> Are my altitude expectations to high (pun intended)?
[23:27] <critcalmass> *too
[23:27] <mfa298> yup, I started mine last week.
[23:28] <fsphil> the winds are not great this time of year
[23:28] <mfa298> predictions should change over time and may well be better as we head towards summer
[23:28] <critcalmass> Ah, okThat was my next question
[23:28] <critcalmass> Cheers
[23:28] <fsphil> http://predict.habhub.org/#!/uuid=5e325017465a4e83eae6e709ff9112509d4a5e92
[23:28] <fsphil> neat
[23:29] <mfa298> the burst calc will give some idea of how high a balloon / payload weight combo will get
[23:29] <mfa298> hah, going to try for landing in Upu's back garden ?
[23:29] <fsphil> it's not that far!
[23:30] <critcalmass> Excellent then. I'll just launch next time I'm over in NI visiting the kids then launch a recovery team to the Yorkshire dales when I get back :-)
[23:31] <mfa298> might not be quite IoM hab points, but ought to be pretty decent still.
[23:31] <fsphil> I've tried to recover a payload from the dales. never found it :)
[23:32] <fsphil> nice excuse for a visit though, it's a lovely area
[23:35] <fsphil> that was in the summer though. not sure it would be too nice right now
[23:36] <gonzo_nb> take the large of your boats
[23:36] <gonzo_nb> larger
[23:37] <critcalmass> Yeah, pretty crappy weather recently.
[23:43] <mfa298> weather forecasts down here have been telling us it's going to get cold and we might evening have snow.
[23:43] <mfa298> shocking sort of thing to happen in Winter.
[23:45] <critcalmass> I blame ISIS
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[00:00] --- Sun Jan 17 2016