highaltitude.log.20110208

[00:02] <MrCraig> night night :-)
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[02:32] <psionic> Could someone let me know a good source for HAB Balloons?
[02:40] Action: nevyn noticed that davis scientific has them on it's website.
[02:40] <nevyn> but they're expensive.
[02:42] <Darkside> hrm
[02:42] <Darkside> i forget where juxta gets ours from
[02:42] <SpeedEvil> There is a vendor here who sells them - I forget the nick though - I should go to sleep.
[02:42] <SpeedEvil> He was in 6 hours ago
[02:42] <Darkside> rocketguy
[02:43] <juxta> RocketBoy
[02:43] <juxta> aka Steve Randall
[02:43] <SpeedEvil> ah - yes
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[02:43] <Darkside> hey juxta
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[02:44] <juxta> hi Darkside
[02:44] <psionic> juxta, do you get your balloons here in Au?
[02:45] <juxta> no, not locally psionic
[02:45] <Darkside> hey psionic
[02:45] <psionic> Hi Darkside.
[02:45] <juxta> however I will be selling them soon I think :)
[02:45] <psionic> I finally registered a Nic after all my years on the net.
[02:46] <juxta> I think I saw you in the backlog yesterday psionic - are you planning a launch in NSW?
[02:46] <psionic> Where do you normal source them? I asked Darkside a thousand questions yesterday but forgot to ask where to get a balloon.
[02:47] <psionic> Yep. My first launch in NSW, somewhere near Sydney.
[02:47] <Darkside> juxta: i'm convincing him to use a system similar to ours, with the RTTY telemetry
[02:47] <psionic> I'd really like to use your platform.
[02:47] <psionic> I'm no good at arduino, but my buddies helping me with the project are.
[02:47] <Darkside> its not just arduino
[02:48] <juxta> I can't claim the tracking platform is mine, that's the work of lots of people in this channel, but I've put together hardware and some offline (ie non web based) tracking systems
[02:48] <psionic> Theres a VHF Tx in there and a gps on a proto board right?
[02:48] <Darkside> psionic: eh?
[02:49] <Darkside> i think you're getting things mixed up :P
[02:49] <psionic> probably.
[02:49] <psionic> I agree!
[02:49] <Darkside> we've done UHF (which is juxta's awesomely reliable transmitter), VHF (once) and HF (once)
[02:49] <Darkside> juxta's board has been launched on 8 (?) flights now i think
[02:50] <psionic> So if I want to build a system thats not too complex, where do I start?
[02:50] <juxta> something like that, the older flight computers I flew were arduinio's though :)
[02:50] <Darkside> psionic: an arduino shield i guess
[02:50] <juxta> yes, that's the simplest way
[02:50] <Darkside> make a shield that you can hook a transmitter module and a GPS to
[02:50] <Darkside> problem is all the good GPSes are 3.3v, so you'll need to level convert
[02:51] <Darkside> and you want a good GPS - we recommend uBlox chipsets
[02:51] <juxta> if you want to make your job easy, there's a GPS + SD card shield made by ladyada
[02:51] <nevyn> hey Darkside howsit?
[02:51] <Darkside> nevyn: goood
[02:51] <SpeedEvil> Or make a 3.3vduino
[02:51] <Darkside> i think joels board is still in the powerlines
[02:51] <juxta> and it supports the trimble modules
[02:51] <Darkside> juxta: that module was shit
[02:51] <Darkside> it never got lock when i was testing it
[02:51] <Darkside> the ublox got lock, the trimble didn't
[02:51] <juxta> it works fine, it's just not very sensitive :)
[02:52] <juxta> ping jonsowman
[02:52] <juxta> oh wait, it's nearly 3am
[02:52] <Darkside> haha
[02:52] <Darkside> juxta: you joel and I need to chat
[02:52] <natrium42> so?
[02:52] <juxta> jonsowman, when you see this, finally some news on those SQ's
[02:52] <natrium42> i sm up at 3am...
[02:53] <juxta> yes - just emailing you guys now :)
[02:53] <Darkside> ok
[02:53] <juxta> heh
[02:53] <juxta> natrium42, did you end up launching the other day?
[02:53] <natrium42> yes
[02:53] <Darkside> joel is in a psych test atm, when he finishes we might be able to talk or something
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[02:53] <natrium42> went well
[02:53] <Darkside> im gonna move to a different lab, where i can altium it up
[02:53] <Darkside> back in a bit
[02:54] <juxta> oh excellent natrium42
[02:54] <juxta> any information online?
[02:54] <natrium42> just the track
[02:54] <natrium42> spot2 is verified now
[02:55] <juxta> ooh, looks like it went close to the wet stuff :)
[02:55] <natrium42> hehe
[02:55] <juxta> any idea on altitude?
[02:55] <natrium42> nope, it was just the spot2
[02:55] <juxta> was the footage aboard too?
[02:55] <juxta> there*
[02:55] <natrium42> yeah go pro hd
[02:56] <juxta> oh nice
[02:56] <natrium42> captured the sunset
[02:56] <juxta> awesome :D
[02:56] <natrium42> nice little cam
[02:56] <juxta> yeah they are great
[02:56] <natrium42> :)
[02:56] <juxta> in 720p or 1080p?
[02:56] <natrium42> 1080p
[02:56] <natrium42> my brother was editing the footage
[02:56] <natrium42> 2.5 h raw is too boring
[02:57] <natrium42> so, i made a yagi
[02:57] <natrium42> 10 elem, 434MHz
[02:57] <natrium42> but didnt have time to make a tracker
[02:58] <natrium42> next time i guess :)
[02:58] <psionic> juxta: I'm new to HAB and what you described above is a bit of a mystery. If my mate knows Arduino and HAM radio, is this stuff enough to get me going http://www.sparkfun.com/products/9944
[02:58] <juxta> hey psionic
[02:58] <psionic> I guess I need a bit of a shopping list of things I need.
[02:58] <juxta> that would cover you for sensors, sure :)
[02:59] <juxta> it's worth having a read of the UKHAS wiki - there's some great info on there
[02:59] <juxta> a good way to start (as Darkside mentioned) would be an arduino, a transmitter (ie NTX2) and a GPS module
[02:59] <psionic> OK. I need to learn a lot I gathered from chatting with Darkside yesterday.
[02:59] <juxta> then you'd be able to take advantage of all the existing work people have done in receive software and tracking
[03:00] <Darkside> psionic: and you'll need to get a good radio receiver :P
[03:00] <Darkside> oh juxta, i made a CI-V interface for my R10
[03:00] <juxta> oh excellent - how did it work?
[03:00] <Darkside> it works, but it de-senses the R10 when i plug it in :(
[03:00] <juxta> speaking of R10's, mine is still missing ;)
[03:01] <Darkside> i think its noise from my computer coming down the USB cable
[03:01] <Darkside> joel has it still
[03:01] <natrium42> aprs is too boring eh? :)
[03:01] <natrium42> juxta: ^
[03:01] <Darkside> natrium42: APRS won't show up on spacenear.us
[03:01] <juxta> you could go the aprs route, just make sure you speak to the people who run the digipeaters in NSW first ;p
[03:02] <natrium42> we really need to make a script to do aprs to spacenear.us
[03:02] <natrium42> then people in us wou,d use it too
[03:02] <juxta> yeah
[03:03] <juxta> there's another mob here in aus who are launching soon, they'll be using APRS I believe
[03:03] <Darkside> juxta: perth group?
[03:03] <Darkside> or mt gambier
[03:03] <juxta> nah, there's some guys in Tamworth too
[03:03] <psionic> Do you know of any groups in NSW?
[03:03] <Darkside> ah yeah, grant emailed about that one
[03:03] <juxta> their project is called LOKI I think
[03:04] <Darkside> hahahahahaha
[03:04] <juxta> the founder called me up a while ago
[03:04] <juxta> http://www.trci.org.au/Loki.html
[03:05] <Darkside> SSTV eh?
[03:06] <Darkside> juxta: we need to get analog video going ASAP :P
[03:06] <natrium42> from the air?
[03:06] <Darkside> yes
[03:06] <Darkside> Tamworth Oxley Scouts will be provided with the opportunity to have small lightweight aircraft and notes dropped from an altitude of around 100,000' (30,000 metres or 30 kilometres).
[03:07] <Darkside> *cough* ILLEGAL *cough*
[03:07] <natrium42> would be awesome
[03:08] <Darkside> natrium42: well we have people with 23cm video transmitters
[03:08] <Darkside> juxta: ooh they're using hydrogen
[03:08] <Darkside> that's interesting
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[03:09] <SpeedEvil> Are paper planes legal?
[03:10] <Darkside> im not sure what you can drop from a balloon, if anything
[03:10] <Darkside> i'd like to drop a UAV from one, as would psionic, but it's questionably legal
[03:11] <juxta> the paper planes from space team were forced to do their launch in Germany as they couldn't get permission in the UK
[03:11] <juxta> would be interesting here in Aus
[03:12] <juxta> I imagine you could do it, but you might have to go visit some very remote region
[03:12] <SpeedEvil> I want to drop the Minister for Employment from one, but suspect it's questionably legal.
[03:12] <Darkside> SpeedEvil: plus you'd need a lot of helium/hydrogen
[03:12] <juxta> you can pretty much do what you please at Woomera, provided you can pay
[03:14] <SpeedEvil> Darkside: Naah - that's the beauty.
[03:14] <SpeedEvil> Darkside: Politicians supply their own hot air.
[03:14] <Darkside> hahaha
[03:16] <Darkside> grrrrrg why does everyone use eagle :(
[03:16] <Darkside> looks like i'm going to have to make my own arduino shield library for altium designer
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[03:18] <juxta> because altium costs $10k
[03:18] <Darkside> juxta: not if you're a student
[03:18] <Darkside> or you pirate it >_>
[03:18] <Darkside> i just use the uni's license :P
[03:18] <psionic> You'll need to chat to CASA to drop a UAV fromthat high.
[03:19] <juxta> yes
[03:19] <juxta> you need to chat to CASA to do any of this stuff
[03:20] <psionic> Prolly you need an OC from casa as the UAV ops are quite extraordinary .
[03:21] <juxta> anything that's not an aircraft with wings or a rotor is a little extraordinary for casa
[03:22] <Darkside> aaargh i am not used to eagle
[03:22] <psionic> I used to fly RC Blimps and had to get a UAV AOC for that.
[03:22] <juxta> what are you working on Darkside?
[03:22] <psionic> They asked where my lifejackets would be stowed!
[03:22] <Darkside> juxta: lookint at makind a shield library
[03:23] <Darkside> so i can do some arduino shields in altium
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[03:23] <Darkside> im thinking of making a HF transmitter shield
[03:23] <juxta> oh right
[03:23] <Darkside> something i can fly if we do the uni thing
[03:25] <Darkside> how the hell do i get dimensions from eagle
[03:26] <Dan-K2VOL> use the the crosshairs tool i think
[03:26] <Darkside> aha
[03:26] <Dan-K2VOL> darkside
[03:26] <Darkside> yes, i think i got it
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[03:26] <Darkside> basically i want to get the positions of these pin headers into altium designer
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[03:28] <juxta> ah
[03:28] <Darkside> then i can start building a shield around the
[03:28] <juxta> there's a refernce online somewhere
[03:28] <juxta> let me see if I can find it
[03:28] <Darkside> i;m going from the eagle part
[03:28] <Darkside> i've got a grid up
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[03:30] <Darkside> i think its 5 mil, i'm not sure
[03:30] <juxta> yeah it is I think, with the exception of 1 row of pins
[03:30] <Darkside> yeah
[03:30] <juxta> it's not where you'd expect it to be
[03:31] <Darkside> wait, the grid is 50 mil
[03:31] <Darkside> w
[03:31] <Darkside> perfect
[03:31] <Darkside> i can work from this
[03:31] <juxta> I'mm pretty sure there's actually a design spec somewhere with exact measurements
[03:33] <Darkside> hrmm
[03:33] <Darkside> not sure about the pad sizes on this
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[03:34] <juxta> oh noes
[03:34] <Darkside> oh my grid size is wrong
[03:34] <juxta> Darkside, did you get my email? my mail client crashed as I hit send.
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[03:35] <Darkside> nope
[03:35] <Darkside> it'll be easier to just talk
[03:36] <Darkside> we can do a skype call once joel gets back from his psych test
[03:36] <Darkside> how do i work out hte pad sizes on eagle? for an existing part
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[03:36] <juxta> lets go get drinks tonight and talk about it
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[03:37] <Darkside> what the hell, i can't even select the part
[03:37] <Darkside> juxta: yeah that sounds good
[03:37] <Darkside> FOR FUCKS SAKES EAGLE
[03:37] <juxta> you could open the part in the library editor if you like
[03:37] <Darkside> this is why i use altium designer
[03:38] <Darkside> eagle is NOT user friendly
[03:39] <Darkside> finally found out how to edit the pads
[03:41] <Darkside> ok, got your email juxta
[03:41] <juxta> alright
[03:41] <juxta> where should we go tonight?
[03:41] <Darkside> joel should be back soon
[03:41] <Darkside> we'll check he's free first
[03:41] <juxta> I'm pretty partial to the exeter but I dont know what you guys like
[03:42] <Darkside> needs to be somewhere where we can talk
[03:42] <juxta> or maybe even unibar if they're open yet
[03:42] <Darkside> without getting blasted by music
[03:42] <juxta> yes
[03:42] <Darkside> i think joel likes the griff
[03:42] <juxta> oh yeah the griff is OK too
[03:42] <Darkside> i don't really know the pubs - i don't go out much
[03:43] <juxta> okay - let me know when you hear from Joel
[03:43] <Darkside> sure
[03:43] <Darkside> hmm, need to find the standard pad sizes the uni can do
[03:43] <juxta> can I grab that serial adapter back from you too?
[03:43] <Darkside> oh yeah, that'd be a nice 'extra' the uni could provide
[03:44] <Darkside> fuuuuu. you mean the one i left at home, right? >_>
[03:44] Action: Darkside is at uni
[03:44] <juxta> heh, okay
[03:44] <juxta> will you be in town all day?
[03:44] <Darkside> probably
[03:44] <Darkside> if the PCB i want manufactured gets finished today, i'll be working on that
[03:45] <juxta> okay
[03:45] <Darkside> speaking of which, we should get the uni to make us PCBs :P
[03:45] <juxta> perhaps
[03:45] <Darkside> like, on the proper machine
[03:45] <Darkside> not the one we tried last time
[03:46] <Darkside> back in a sec, going to get a ferrite bead and check on the standard hole sizes our milling machine does
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[05:21] <Darkside> aaaaaand one evacuation drill and SMD soldering lesson later, i'm back
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[05:21] <Darkside> ping juxta
[05:22] <juxta> hey
[05:22] <Darkside> i've spoken to joel, he can probably make it in tonight
[05:22] <Darkside> i'm fine with whatever, but i just think we should get it done soon
[05:22] <Darkside> as we got emailed about this last friday, and should probably get back to them soon
[05:23] <juxta> sure
[05:23] <juxta> lets go tonight then
[05:23] <juxta> is he at home now?
[05:23] <Darkside> not yet
[05:23] <Darkside> he's just left for home
[05:23] <juxta> alright
[05:23] <Darkside> which was a bit annoying, his lift was already on the way when i told him about this
[05:24] <juxta> I'll go down his way and pickup my gear then
[05:24] <juxta> I can drive him in tonight
[05:24] <Darkside> he'll come online when he gets home
[05:25] <juxta> okay
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[05:49] <griffonbot> Received email: discoross <rpanderson@gmail.com> "[UKHAS] Re: detect balloon burst?"
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[06:11] <Darkside> juxta: shenki
[06:12] <Darkside> SYN
[06:12] <juxta> ack
[06:12] <shenki> o/
[06:13] <juxta> hey shenki
[06:13] <shenki> hello
[06:13] <juxta> shall we catch up somewhere to have some drinks and discuss the uni thing?
[06:14] <shenki> i can tonight if that's the only option
[06:14] <shenki> but i did have other plans
[06:14] <shenki> would tomorrow night work?
[06:15] <juxta> tomorrow is OK with me, but I was planning on attending hackerspace
[06:15] <juxta> will you be there?
[06:16] <shenki> yes
[06:16] <juxta> ok perfect
[06:16] <juxta> well perhaps we'll go beforehand then?
[06:16] <shenki> my plan was for us to meet before hackerspace, but there's no reas we cant chat whilste there
[06:16] <shenki> hehe, i like your thinking
[06:16] <juxta> :)
[06:16] <Darkside> ok that works
[06:16] <juxta> what time do you think?
[06:16] <shenki> Darkside: does this work for you?
[06:16] <shenki> cool
[06:16] <Darkside> shenki: yeah thats fine
[06:16] <Darkside> i don't have anything else on, and was planning on going to hackerspace anyway
[06:17] <Darkside> ATM i'm just working on an arduino shield library for altium designer
[06:17] <shenki> juxta: any time is fine. HA starts at 6:30 officially, but i think it will be open all afternoon
[06:17] <juxta> alrgiht
[06:17] <Darkside> shenki: i'm going to try and make a HF transmit shield
[06:17] <shenki> we could meet at 5?
[06:17] <Darkside> something i can easily fly for a uni launch
[06:17] <shenki> give ourselves an hour?
[06:17] <juxta> sounds good
[06:17] <Darkside> sounds ok to me
[06:18] <Darkside> grr where is my RF board!
[06:18] <shenki> awesome. any preference for location?
[06:18] <shenki> kings? griff?
[06:18] <juxta> those work
[06:18] <juxta> or the ex
[06:18] <Darkside> shenki: bring the R10
[06:18] <shenki> yep, or the ex
[06:18] <shenki> was thinking go somewhre with food
[06:19] <juxta> shenki, if you're home in a while I'll come by and grab the gear
[06:19] <juxta> and Mark I may swing by yours tonight too if you're home soon
[06:19] <shenki> juxta: yeah, im home now. you're welcome to come get stuff whenever suits
[06:19] <juxta> okay
[06:19] <juxta> what time does hackerspace finish?
[06:19] <shenki> 9:30
[06:20] <Darkside> shenki: no
[06:20] <Darkside> its 6 to 9, right?
[06:20] <Darkside> not 6:30 to 9:30
[06:20] <shenki> 15:47 <@xiq> we might be cohabiting with stans band practicing...
[06:20] <shenki> 15:48 <@xiq> scratch that, they will start after us, like 9.30 or so
[06:21] <Darkside> yes, we finish at 9, they start at 9:30
[06:21] <Darkside> but i like the idea of hanging around
[06:21] <shenki> Darkside: you are correct, official time is 6 - 9
[06:21] <Darkside> since iapparently the band uses chainsaws
[06:21] <shenki> depends how good stan's band is
[06:21] <shenki> hah
[06:21] <juxta> chainsaws as musical instruments?
[06:21] <Darkside> sounds pretty cool :)
[06:21] <Darkside> juxta: no idea
[06:21] <Darkside> speaking of which: shenki XOs!!!!!!
[06:21] <Darkside> how many more can you get working?
[06:21] <shenki> !!!
[06:22] <juxta> alrighty - what time do you think you'll be home tonight Darkside?
[06:22] <Darkside> juxta: uhmmmmmm
[06:22] <Darkside> well if i don't hear anything about my PCB in the next 15 minutes i'm going to bus home i think
[06:23] <juxta> okay
[06:23] <Darkside> why?
[06:24] <shenki> he want sto know when to come rob you
[06:24] <juxta> I think I'm going to go by shenki's, then yours (if you're home), then out to hindmarsh island
[06:24] <Darkside> oh you're SHITTING ME i cant use this android phone on uni computers
[06:24] <Darkside> i.e. as a usb storage device
[06:24] <Darkside> as it has to install new drivers, which i don't have rights to do
[06:25] <Darkside> wait
[06:25] <Darkside> juxta: hindmarsh island?
[06:25] <juxta> yes
[06:25] <Darkside> holiday house or something?
[06:26] <juxta> yeah
[06:26] <juxta> I'll be back tomorrow for HS though
[06:26] <Darkside> cool
[06:27] <juxta> hey shenki, I will have a chat to Cobi tomorrow - she mentioned you dicussed a wish list, can you bring me up to speed? :)
[06:27] <Darkside> shenki: is that stuff we'd like to buy? like video TX gear and such?
[06:28] <shenki> juxta: err. i mentioned doing radiation measurements
[06:28] <juxta> okay, no probs
[06:28] <juxta> just so I know
[06:28] <shenki> juxta: oh, strapping a balloon to a stick and watching it inflate
[06:28] <Darkside> juxta: basically stuff we'd like to do
[06:28] <shenki> that would be a fun one :)
[06:28] <Darkside> live video is at the top of my personal list :P
[06:28] <Darkside> shenki: matt had a better idea
[06:29] <juxta> yeah that is a good one
[06:29] <Darkside> live video pointing up, with a calibration stick in the frame
[06:29] <shenki> upwards facing camera
[06:29] <Darkside> like, use the radar reflector as calibration
[06:29] <shenki> yep
[06:29] <juxta> that'll be happening soon
[06:29] <Darkside> then you can estimate the altitude from the balloon size
[06:29] <juxta> payload is mostly ready :)
[06:29] <shenki> awesome
[06:29] <Darkside> juxta: nice
[06:30] <juxta> okay - I'm going to get ready to leave here
[06:30] <shenki> ok
[06:30] <Darkside> argh
[06:30] <Darkside> i miht not be home in time then
[06:30] <Darkside> was going to go shopping on the way
[06:31] <juxta> i'll call you when i'm nearby
[06:31] <juxta> i can run you home if need be
[06:31] <Darkside> i might actually head to hackerspace and see whats going on
[06:31] <Darkside> and pick up my soldering iron
[06:34] <shenki> Darkside: do that tomorrow
[06:34] <Darkside> mm
[06:35] <Darkside> still still no word on my pcb
[06:35] <Darkside> might just head off
[06:38] <Darkside> juxta: you should either get a google account and run latitude, or put an APRS tracker in your car
[06:38] <Darkside> then i can stalk you :P
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[06:43] <juxta> i'm off now
[06:43] <juxta> ring you soon shenki & Darkside
[06:44] <Darkside> shenki: http://i.imgur.com/aAjha.jpg
[06:44] <Darkside> as mpesce says, CC-Infinity
[06:45] <shenki> Darkside: noice!
[06:46] <Darkside> feel free to use that, like, anywhere
[06:46] <Darkside> :P
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[06:54] <Darkside> ok im off to a bus
[06:54] <Darkside> should arrive home before terry does
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[08:20] <griffonbot> Received email: Anthony Stirk <upuaut@gmail.com> "Re: [UKHAS] Re: Festival appearance"
[08:23] <griffonbot> Received email: Anthony Stirk <upuaut@gmail.com> "Fwd: [UKHAS] Re: Festival appearance"
[08:26] <earthshine> morning
[08:44] <griffonbot> Received email: Oliver <oliver.jones.digred@googlemail.com> "Re: Fwd: [UKHAS] Re: Festival appearance"
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[08:53] <natrium42> emailz
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[09:16] <NigelMoby> Mmmm crunchy nut cornflakes
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[09:54] <jgrahamc> I would just like to say that the DS1821 temperature sensor is a bit of a bastard to get working with Arduino.
[10:00] <NigelMoby> Lol did you not get the digital 1?
[10:02] <jgrahamc> It is digital (using the 1-Wire protocol). But it's slightly different to the other ones that work with the OneWire Arduino module. Ended up writing my own interface code.
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[10:03] <NigelMoby> Eek I found a bunch of code to get them running on Jcoxon github
[10:05] <jgrahamc> I thought he was using the DS1820. Doesn't he use OneWire?
[10:06] <NigelMoby> Yup, worked on my 1821's to.
[10:06] <NigelMoby> Morning Fsphil
[10:07] <eroomde> it's nice though that we're getting to the stage with microcontroller development that writing code to interfance to sensors is considered an annoyance because there should already be stuff written and available. This was definitely not the case back where I were a lad (about 2 years ago) and everything had to be written from scratch with a coffee and a device datasheet
[10:08] <jgrahamc> Interesting. I couldn't get OneWire 2.0 to work at all with the DS1821 and wrote my own low-level interface code from the datasheet.
[10:08] <eroomde> electrons have their own union
[10:09] <eroomde> it doesn;t negotiate though, it just calls a strike randomly
[10:09] <jgrahamc> Ha ha ha.
[10:09] <jgrahamc> NigelMoby: which OneWire are you using?
[10:11] <eroomde> jgrahamc: sorry is this is teaching granny to suck eggs, but you've definitely got an appropriately value'd pull-up resistor on the data line?
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[10:11] <jgrahamc> Yes, I certainly have. And with my code I can read the temperature with no problem at all.
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[10:13] <jgrahamc> The issue seemed to be that the OneWire Arduino code works with the 'networked' 1-Wire devices. The DS1821 doesn't support the network functions (e.g. it has no address)
[10:13] <fsphil> heya NigelMoby
[10:13] <NigelMoby> Good point there eroomde
[10:14] <jgrahamc> Maxim specifically say '1-Wire non-network' but the Arduino OneWire module assumes the networked devices.
[10:14] <NigelMoby> Hey Phil, just had delivery of the sma socket etc
[10:15] <fsphil> so a solder filled day ahead then? :)
[10:15] <NigelMoby> Iirc arduino released some incompatible code for 1wire
[10:15] <NigelMoby> Yup phil, should be fun!
[10:16] <jgrahamc> I suspect that OneWire will work with the DS1821, but it was getting late and rather than read through someone else's code and figure out how to make it work with this device I just wrote my own code based on the datasheet.
[10:16] <jgrahamc> A pain, but it works.
[10:16] <jgrahamc> Looking at the OneWire.cpp this morning (just now) I see that I should have been able to make it work by ignoring the network/search parts.
[10:16] <jgrahamc> Oh well.
[10:16] <NigelMoby> A big pain!!
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[10:17] <jgrahamc> Also, I am the sort of person who thinks writing code for a custom serial protocol at midnight is fun.
[10:18] <eroomde> jgrahamc: ok got you. I guess there's ripe opportunity for a patch there
[10:18] <SpeedEvil> The ds1821 is 1-wire
[10:18] <NigelMoby> Lol at 12am my brain goes to sleep.
[10:18] <jgrahamc> But did blow one DS1821 away by power it up in the wrong direction!
[10:18] <SpeedEvil> It certainly does have addresses
[10:18] <fsphil> uh-oh
[10:18] <SpeedEvil> s/es//
[10:19] <NigelMoby> I got 1 very hot, not blown 1 yet.
[10:19] <SpeedEvil> Or am I thinking of the 1820
[10:19] <eroomde> not so useful in a temperature sensor
[10:19] <jgrahamc> I think you are thinking of the 1820.
[10:20] <griffonbot> Received email: Ed Moore <eam52@cam.ac.uk> "Re: [UKHAS] Re: detect balloon burst?"
[10:21] <jgrahamc> eroomde: At some point I'll write a blog about interfacing to the DS1821 so that others can find it when Googling.
[10:22] <SpeedEvil> Insane - 1-wire without the ID
[10:22] <SpeedEvil> BROKEN
[10:22] <eroomde> yes. it becomes 1-wire + plenty of tri state logic
[10:22] <jgrahamc> Yes, it's weird. I'm not sure how I ended up selecting the DS1821 (perhaps I wanted to do something with the thermostat option), but it was a bit of surprise that I could reset it but not find it.
[10:23] <griffonbot> Received email: Ed Moore <eam52@cam.ac.uk> "Re: [UKHAS] Re: detect balloon burst?"
[10:23] <SpeedEvil> Even one with a fixed ID would be less obnoxious.
[10:23] <eroomde> it's like that quote on bash.org about how a guy had lost a pc in his apartment
[10:24] <eroomde> he could ssh into it, but couldn't phyisically find it
[10:24] <SpeedEvil> I do that all the time.
[10:24] <SpeedEvil> Fortunately - ssh root@phone beep
[10:24] <eroomde> show off :p
[10:24] <NigelMoby> Lol
[10:24] <eroomde> but damn good idea!
[10:25] <eroomde> more fun that calling it anyway
[10:25] <eroomde> than*
[10:25] <fsphil> I've got some DS18B20 sensors,haven't used them yet but afaik they all have unique but fixed IDs
[10:25] <SpeedEvil> I have received I think 3 calls on my n900.
[10:25] <SpeedEvil> I'm not big into calls.
[10:25] <SpeedEvil> fsphil: yes - they do
[10:25] <jgrahamc> fsphil: Yes, you'll be find with those. They'll work with OneWire straight out of the box.
[10:26] <fsphil> sweet
[10:27] <jgrahamc> <- is proud owner of DS1821 interface library that he didn't need to write :-)
[10:27] <jgrahamc> Last thing I have to do on my balloon is interface the lassen iq gps and I should be done. Been a long, long time given that I get about an hour a week to work on it!
[10:28] <eroomde> jgrahamc: are you going to use TSIP or NMEA?
[10:28] Action: Laurenceb interfaced with a DS18B20 in bascom basic
[10:28] <Laurenceb> dont laugh
[10:28] <NigelMoby> Should be easy unless you have a dodgy antenna like mine
[10:29] <jgrahamc> I'm not going to laugh. It's not like this stuff comes as a complete kit you can download and build like some script kiddie!
[10:30] <NigelMoby> Eroomde you have to use tsip to enable nmea sentences Iirc?
[10:32] <jgrahamc> eroomde: not sure yet. Do you have a recommendation?
[10:33] <eroomde> NigelMoby: quite possibly! infact I seem to recall you're right, now that you mention it. I put one onto badger 1 but that was about 4 years ago now and my memory has gone. jgrahamc I guess NigelMoby is correct in that you have to configure it via TSIP anyway
[10:33] <jgrahamc> I which case I'll probably just do TSIP directly and not worry about NMEA. If I can get the location information I'll be good.
[10:34] <NigelMoby> You can use nmea just fine but as default only gga sentences are enabled, use tsip to configure extra sentences.
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[10:35] <Laurenceb> theres a fair bit of code on the wiki
[10:35] <Laurenceb> for TSIP
[10:35] <NigelMoby> Yup, and the iqmonitor is handy to
[10:37] <eroomde> do make sure the antennas for the lassen sit on good grount planes. they're a solid gps but they are much more fragile to lower SNR than more modern things lik the ublox range.
[10:38] <Laurenceb> ive had ok experience with the mini ants
[10:38] <Laurenceb> and no ground plane
[10:39] <Laurenceb> back up bat helps a lot
[10:39] <eroomde> I think for a flight we did a couple of years ago I remember witnessing on the telemetry an epic and bloody battle going on between the iq's altitude kalman filter (strong prior on zero vertical speed) and the signal it was reciving, resulting in a 'stepped' altitude profile. The estimator would hold it's ground against the dark forces of the gps signals trying to tell it it was ascending, until finally it could battle no more and would jump 500m all a
[10:39] <NigelMoby> Mine refuses to get more than 2 sats with gnd plane and the powered antenna.
[10:40] <Laurenceb> interesting
[10:40] <Laurenceb> ive only flown lassen a few times, and no _massive_ issues
[10:40] <Laurenceb> as cutdown on the rogallo the altitude did go mad tho
[10:40] <Laurenceb> it refused to believe it was descending so fast
[10:41] <Laurenceb> for ~5 seconds it continued ascending before suddenly jumping down ~200m
[10:41] <Laurenceb> similar to as you describe
[10:42] <eroomde> Laurenceb: on that flight we had one of those shiny micro hd flip cameras, who spat out a lot of crud at about 1.3GHz, which really did upset the gps
[10:42] <Laurenceb> ah
[10:42] <NigelMoby> Heh a gps with altitude sickness
[10:42] <Laurenceb> yeah i want to get round to shoving a ublox5 on the rogallo and flying it
[10:42] <Laurenceb> too many things to work on atm :(
[10:44] <SpeedEvil> NigelMoby: I'd wonder about local interference
[10:45] <SpeedEvil> oh - laurenceb said that
[10:45] <SpeedEvil> I should read all the way up to the red line
[10:46] <NigelMoby> Hehe its odd because the locosys I got is fine.. 6 sats within a few minutes
[10:46] <Laurenceb> interestingly the rogallo altitude stabilised when it got into stable flight, and the descent rate went right down
[10:47] <Laurenceb> after cutdown it was ascending at a ~constant rate for 3 seconds
[10:48] <NigelMoby> Odd
[10:48] <Laurenceb> despite the gyros showing it was freefalling then tumbling for a little while
[10:48] <Laurenceb> not that odd- its just a result of the filtering
[10:49] <eroomde> right, summon me if you need me as irc doesn't ping. if not catch you all later
[10:49] <NigelMoby> Ohh
[10:49] <Laurenceb> cya
[10:51] <NigelMoby> Eek long leg on caps is positive?
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[11:25] <keng> is http://habhub.org/predict/ down?
[11:25] <keng> stuck at 10%
[11:27] <davidjc> Just tested it, i also get stuck at 10%
[11:28] <fsphil> any better now?
[11:29] <keng> it was stuck at 10% 2 days ago too..
[11:30] <davidjc> Seems to work now, just a bit slow at the mo
[11:32] <jgrahamc> It's working for me.
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[12:38] <keng> stuck at 25% on
[12:38] <keng> ...
[12:39] <jgrahamc> Hmm. Try a reload because it's working for me. Not a good day to launch BTW unless your balloon fancies going halfway to Holland.
[12:40] <fsphil> I had a prediction a few days ago saying a launch would land near Norway :)
[12:41] <jgrahamc> Looking at the hourly runs though, this Sunday might work for a Churchill launch.
[12:42] <keng> stuck at 0% now...
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[12:42] <keng> i'm trying running a prediction model for thailand area
[12:42] <jgrahamc> What's the coordinates?
[12:43] <keng> 14.03266, 99.57509 at 3am UTC
[12:45] <fsphil> I've cleared the predictor cache, has that helped?
[12:47] <keng> let see
[12:49] <keng> stuck at 0%...
[12:50] <jgrahamc> Same here
[12:52] <keng> i've noticed the weirdness of the wind model in pass 2 days - https://skitch.com/keng/rp1xd/fullscreen
[12:53] <keng> but it might be just the way it is..
[12:53] <fsphil> the problem is likely with the NOAA servers, sending bad wind data
[12:55] <keng> oh..
[12:57] <fsphil> unless your trying 3am today?
[12:57] <fsphil> (08/02/2011)
[12:58] <keng> 3am is 10am here in thailand
[12:58] <keng> nope
[12:58] <keng> i've planned to launch on this coming sunday
[12:58] <keng> i just try to run the prediction everyday to confirm the launch site
[12:59] <fsphil> http://habhub.org/predict/#!/uuid=61f91477605e77f867204d9aa55167f933de473c
[13:01] <keng> fsphil: thanks for helping.. but i'm wondering why i still stuck at 0%
[13:01] <keng> could you please try asc rate at 3mps?
[13:03] <fsphil> mmm, stuck too
[13:03] <keng> wried..
[13:05] <fsphil> this may be a case for jonsowman :)
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[13:10] <keng> !@#$ :(
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[13:29] <Darkside> damn juxta is offline
[13:33] <jonsowman> oh dear.. predictor issues fsphil?
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[13:47] <fsphil> hiya jonsowman, yea it seems to be getting stuck at 10% for some predictions
[13:47] <fsphil> but not all
[13:47] <jonsowman> got a uuid?
[13:48] <fsphil> http://habhub.org/predict/#!/uuid=61f91477605e77f867204d9aa55167f933de473c <-- worked
[13:48] <fsphil> but change the ascent rate to 3 m/s and it gets stuck
[13:49] <jonsowman> http://habhub.org/predict/#!/uuid=2633f301c038646f6c63ae0d307df9e8ae6cdb88
[13:49] <fsphil> though, naturally, it works now :)
[13:50] <jonsowman> hehe
[13:50] <jonsowman> give me a shout if it dies again :)
[13:50] <fsphil> will do
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[14:04] <Laurenceb> oh dear
[14:04] <Laurenceb> http://www.flickr.com/photos/lenore-m/3946468123/sizes/o/in/faves-laserstars/
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[14:10] <fsphil> cute
[14:11] <Laurenceb> i was laughing at the bookends
[14:22] <Laurenceb> also http://farm2.static.flickr.com/1153/545281034_9afca3cbcc.jpg
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[14:35] <griffonbot> Received email: Davejay <dave.jones@davejay.co.uk> "[UKHAS] Re: Radio receiver - handheld vs 'mobile'?"
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[14:44] <fsphil> got an email from the intermediate license instructor asking if I'd done the kit yet... oops
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[14:57] <griffonbot> Received email: "Matthew Beddow" <matt.beddow@gmail.com> "RE: [UKHAS] Re: Radio receiver - handheld vs 'mobile'?"
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[16:57] <AndChat|> Meep
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[17:01] <Nigey> Stupid nickserv
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[17:53] Nick change: bradluyster_ -> Zuph
[17:54] <NigelMoby> Fsphil radio PCB finished :D
[17:54] <NigelMoby> Hey zuph
[17:54] <Zuph> Ah, university newspaper, with hard-hitting journalism such as "Hipsters: An Epidemic" and "Leggings: Not to be used as pants".
[17:54] <Zuph> Hola, NigelMoby
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[18:01] <NigelMoby> Grrr always cut me off when I get a call
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[18:33] <fsphil> working NigelMoby?
[18:34] <fsphil> btw that chip arrived today, thanks!
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[18:36] <NigelMoby> Ah it got there finally! Boards working nicely just need to change the resistor, 27k was to much, 800+ shift
[18:38] <eroomde> congrats NigelMoby
[18:38] <eroomde> ready to fly!
[18:42] <NigelMoby> Almost ed. Getting there slowly, I did learn today that sma sockets are a pain to solder!!
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[18:55] Nick change: laurence__ -> Laurenceb_
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[19:00] <jcoxon> evening
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[19:09] <fsphil> ello ello
[19:10] <jcoxon> hey fsphil , you've set a window for hadie:3
[19:10] <jcoxon> ?
[19:11] <fsphil> yep! unless the caa say otherwise
[19:11] <fsphil> which they haven't yet
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[19:11] <jcoxon> hehe, you need larger launch windows :-p
[19:11] <jcoxon> considering the precarious weather
[19:11] <fsphil> I was tempted to add another week, but thought I might be pushing it :)
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[19:18] <fsphil> hmmm predictions are still landing in Scotland, I might email and ask for a few more weekends :)
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[19:22] <natrium42> fsphil: not scotland!
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[19:22] <natrium42> you never know what an angry scot might do with it when he finds it
[19:22] <Zuph> I would be happy to see one of our balloons end up in Scotland :-p
[19:24] <fsphil> if it landed in the highlands, you'd never see it again :p
[19:25] <Zuph> We've got a ballast gift of alcohol as a token of good will, though!
[19:25] <fsphil> would that even get past ireland though?
[19:26] <Zuph> Ireland works for us too
[19:26] <fsphil> as a great Irish philosopher once said: Drink!
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[19:28] <Zuph> This balloon effort has given me cause to pay great homage to that philosopher.
[19:28] <fsphil> lol
[19:28] <fsphil> it does seem to have been an epic struggle thus far
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[20:03] <Zuph> Excellent, still getting telemetry from the flight computer 145053 seconds after boot. Flight computer temperature, -41, battery temperature, -21, external temp. sensor, -39.8, current barometric pressure, 102336 Pa.
[20:06] <natrium42> Zuph: you launched something?
[20:06] <Zuph> Nope
[20:06] <Zuph> Sitting in the cryo chamber :)
[20:06] <natrium42> aah
[20:06] <natrium42> :)
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[20:23] <mattltm> Hey all :)
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[20:26] <Lunar_Lander> hello
[20:26] <Lunar_Lander> hi Dan-K2VOL
[20:32] <mattltm> Hey Lunar :)
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[20:41] <Lunar_Lander> hello mattltm :)
[20:41] <mattltm> Hows things?
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[20:48] <Lunar_Lander> good and at your end?
[20:49] <mattltm> All good now that i've got the nTX2 working :)
[20:52] <Lunar_Lander> that's cool :)
[20:52] Nick change: laurence_ -> Laurenceb_
[20:52] <mattltm> And radiometrix have the 0.75 back in stock today too.
[20:53] <Laurenceb_> http://news.yahoo.com/s/ac/20110208/us_ac/7808054_nasas_ares_1_to_be_reborn_as_the_liberty_commercial_launcher
[20:53] <Laurenceb_> ^what the hell
[20:53] Action: Laurenceb_ facepalms
[20:53] <Lunar_Lander> fail
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[21:05] <mattltm> I really need to go /P to have any luck with the UKAC contests :(
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[21:06] <mattltm> Living half way down a hill sucks for uhf :(
[21:06] <fsphil> ah crap, that was tonight wasn't it?
[21:06] <mattltm> Still is. Don't finish till 22:30
[21:06] <fsphil> ooh, no hope but I'll have a go
[21:06] <mattltm> But I have been calling for an hour with no luck :(
[21:07] <mattltm> Race you for the first QSO!
[21:07] <mattltm> G8HGN is beaming your way on 432.226.70
[21:08] <fsphil> mmm lemme see
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[21:11] <fsphil> nadda
[21:12] <fsphil> with the collinear anyway -- probably needs the yagi
[21:12] <mattltm> Same here. I can just hear G8HGN and thats with a 19 ele yagi!
[21:13] <mattltm> sad thing is he is only about 20miles from me :(
[21:13] <mattltm> Wow - some people have already submitted.
[21:13] <fsphil> something obstructing the signal?
[21:14] <mattltm> Yup - a huge hill!
[21:14] <fsphil> haha
[21:14] <mattltm> Ok so 3 QSO's to beat...
[21:14] <fsphil> scanning up and down a bit, nobody's calling
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[21:17] Action: mattltm looks for a cheap portable yagi
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[21:19] <mattltm> Tonna do some nice ones.
[21:19] <fsphil> tonna and diamond seem to be the best for budget yagis
[21:19] <mattltm> Humm... 44 element....
[21:20] <mattltm> Not so sure it fits my /P needs
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[21:23] <mattltm> http://www.df9cy.de/ar/operation/moonbounce-history/DF9CY_Krusendorf_1992_V4_4x24.jpg
[21:23] <mattltm> Thats more like it :)
[21:23] <mattltm> I'll just burn a hole through the hill!
[21:24] <fsphil> lol
[21:24] <mattltm> Be useful for tracking too :)
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[21:26] <fsphil> having something like that in your garden takes dedication :D
[21:27] <mattltm> and some understanding neighbours
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[21:28] <fsphil> called a few times, nobody's listening
[21:28] <mattltm> and maybe a divorce
[21:28] <mattltm> It's dead here too.
[21:29] <fsphil> I'll definitely be trying /P when the lighter nights come back
[21:29] <mattltm> Athoughthere is a local net running on 2M. Maybe I could pop in and hock a few 70cm contacts...
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[21:29] <mattltm> You work HF too fsphil?
[21:29] <fsphil> I try to, but it's pretty much a fail so far
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[21:30] <fsphil> been through all sorts of HF antennas but I hear very little, and don't be heard
[21:30] <fsphil> though wspr seems to work well
[21:30] <mattltm> What rig do you have?
[21:30] <fsphil> ft817 -- a bit underpowered for HF
[21:31] <fsphil> though even if I did have more power, I still wouldn't be able to hear any better
[21:31] <mattltm> I do very well on just 5W through a auto tuner into a homebrew doubblet.
[21:31] <mattltm> USA on 7Mhz PSK
[21:31] <fsphil> sweet
[21:31] <mattltm> Have you tried an end fed vertical?
[21:32] <fsphil> I've got a vertical at the moment
[21:33] <fsphil> wow I hear someone on 70cm
[21:33] <mattltm> Ah - quick, snag em..
[21:33] <fsphil> it's veeeeery weak
[21:33] <fsphil> can't make it out
[21:33] <mattltm> Welcome to my world :(
[21:34] <fsphil> doesn't sound like a local
[21:34] <fsphil> oh wait it does
[21:34] <fsphil> fading in and out a bit
[21:36] <mattltm> You have an ATU?
[21:37] <fsphil> yea
[21:37] <fsphil> the vertical had a couple of radials
[21:37] <mattltm> What vertical are you using? Homebrew?
[21:37] <fsphil> nah, some hygain thing
[21:37] <fsphil> about 5m tall
[21:37] <fsphil> has a manual tuning coil at the bottom
[21:38] <mattltm> What ATU?
[21:39] <fsphil> Z11-ProII
[21:39] <fsphil> nice little tuner, though has a habbit of sticking now and then
[21:39] <fsphil> I haven't tried it with the vertical yet - figured it wouldn't help with the RX much
[21:39] <mattltm> Cool. I have a 857 and an SGC 211.
[21:39] <mattltm> Best DX I have had is from a homebrew vertical.
[21:40] <mattltm> Cost a total of £30 to make.
[21:40] <fsphil> how tall?
[21:40] <mattltm> http://www.sandpiperaerials.co.uk/index.php?main_page=product_info&cPath=7_29&products_id=194
[21:41] <mattltm> A 10M fishing pole with 30M of wire wraped around it.
[21:41] <mattltm> and about 20 radials all cut to diferent lengths from 5M to 30M
[21:41] <mattltm> Fed at the base with the SGC tuner.
[21:42] <fsphil> radials are my problem I think, I can only have three or four
[21:42] <mattltm> Small garden?
[21:42] <fsphil> though from what I've read, that's all that's needed for a vertical that isn't resting on the ground
[21:42] <fsphil> very small yea
[21:42] <mattltm> coil them round.
[21:43] <fsphil> so electrical length is more important than actual?
[21:43] <mattltm> they dont have to be straight
[21:43] <mattltm> Yup.
[21:44] <mattltm> some of mine go from the middle of the back yard, down the drive at the side of the house and round the front
[21:44] <fsphil> will definitely try that -- it's down at the moment due to the wind, but I'll be putting it back up this weekend
[21:44] <fsphil> is yours earthed in any way?
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[21:45] <mattltm> Does the Z11 have balanced terminals?
[21:45] <fsphil> nope
[21:45] <mattltm> Just found an image. And no balum/unun?
[21:46] <fsphil> it's basically coax in - coax out
[21:46] <fsphil> I've a balun here too though
[21:46] <mattltm> Ok. so you have 2 options - a 4:1 balun or a 9:1 unun.
[21:46] <mattltm> Or sell it and get a propper ATU! lol
[21:47] <mattltm> Only kidding.
[21:47] <mattltm> Looks like a nice bit of kit.
[21:47] <fsphil> I'm open to all options :)
[21:47] <mattltm> There is an SGC 211 on ebay for £80
[21:47] <mattltm> Very good ATU
[21:47] <fsphil> it seems to work well, at least it manages to tune to almost everything I through at it
[21:47] <mattltm> Anyway...
[21:48] <mattltm> Try running a 9:1 unun
[21:48] <mattltm> Should make the ATU match better
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[21:49] <mattltm> So radials into the ground of the UnUn, vertical element into the centre of the UnUn and 50Ohm coax from the UnUn to the ATU.
[21:50] <mattltm> The impedance at the base of a end fed vertical is huge so the 9:1 UnUn brings it doen to a nicer level for the ATU to tune to.
[21:50] <fsphil> would the 4:1 balun work the same way? I've got one here already
[21:51] <mattltm> Sure. I also have a homebrew 9:1 that you can borrow if you want to play with it. I'm happy to post it.
[21:51] <mattltm> The SGC has a builtin 4:1 that works well.
[21:53] <mattltm> I also have the tuner in a homebrew waterproof bos so it is right at the base of the antenna.
[21:53] <fsphil> I'll give the 4:1 balun a try when I get it back up, if that doesn't work I might just borrow that 9:1
[21:54] <mattltm> No problem...
[21:54] <mattltm> Or build your own...
[21:54] <fsphil> with the manual tuning coil set properly, the swr actually seems to be pretty good
[21:54] <mattltm> A doublet fed with 450Ohm twin feed works well for me too.
[21:55] <mattltm> http://www.mattltm.co.uk/2010/04/03/building-a-longwire-antenna/
[21:56] <fsphil> hehe, that second sentence is where I'm at now :p
[21:56] <mattltm> lol
[21:57] <mattltm> Im working on a post for the homebrew HF vertical and also a stacked and phased 70cm folded dipole array.
[21:58] <fsphil> I'll keep an eye out for that
[21:59] <fsphil> so the 9:1 unun kit is worth it? it's pretty cheap
[22:00] <mattltm> Works well for me. I did have it up for that longwire but its down at the moment as I have the doublet up.
[22:01] <mattltm> Cut out a lot of the rubbish and lowered my noise floor.
[22:01] <fsphil> definitely worth a try!
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[22:02] <mattltm> You could also try a loop with your 4:1
[22:04] <fsphil> I've got a sort-of loop setup in the attic atm, with the 4:1
[22:04] <fsphil> not working well at all
[22:04] <fsphil> it's more of a rectangle than a loop
[22:04] <mattltm> So was mine. Worked well for local working.
[22:04] <mattltm> 50' x 30'
[22:05] <fsphil> not sure what size mine is, as big as it could be in the attic
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[22:05] <fsphil> either end going into the balun, cable coming down to the room
[22:07] <mattltm> I tried a vertical loop in the loft and it was very poor. Too much noise.
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[22:08] <Lunar_Lander> Zuph here?
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[22:10] <mattltm> There is always the 1.3Ghz contest next week!
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[22:14] <primetime> hey any fellow ballooners?
[22:14] <Randomskk> many
[22:14] <primetime> cool
[22:14] <primetime> i make posts to youtube, under the name billoon45
[22:15] <fsphil> mattltm, a little outta my range :)
[22:15] <fsphil> mmm... wonder if they'll ever do an optical contest
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[22:17] <primetime> god i love balloons
[22:17] <primetime> what suppliers do you guys have?
[22:18] <primetime> mainly for ballooner activities
[22:18] <mattltm> fsphill: Optical would be cool. Not sure I could get through the hill though...
[22:19] <fsphil> giant mirror :D
[22:19] <fsphil> sorry ... 'repeater'
[22:19] <mattltm> Maybe if I had frickin sharks with frickin laser beams...
[22:19] <tarpsocks> like an ethernet repeater?
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[22:20] <Lunar_Lander> primetime
[22:20] <mattltm> fsphil: Sure, good idea. You come and hold it at the top of the hill whilst I shoot it with a high powered laser :)
[22:20] <Lunar_Lander> http://www.randomsolutions.co.uk/Random_Engineering/Welcome.html for primetime
[22:20] <fsphil> muhaha
[22:21] <fsphil> what could possibly go wrong
[22:21] <primetime> oh that one looks fun ;)
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[22:22] <bi11oon45> no I am the real bi11oon45
[22:22] <tarpsocks> Lunar_Lander: that is coooool
[22:22] <mattltm> I'm not the bi11oon45 you are looking for...
[22:22] <Lunar_Lander> thanks tarpsocks
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[22:26] <mattltm> Does anyone use bits box?
[22:26] <mattltm> To buy components?
[22:27] <primetime> i love rubbing up on balloons ^_^
[22:27] <fsphil> not heard of them myself, but they've an interesting site
[22:27] <primetime> any female balloon fetishists here?
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[22:27] <tarpsocks> primetime: there 67 people in here, at least one of them is probably a female balloon fetishist
[22:28] <primetime> sorry... i had to ask :)
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[22:47] <Lunar_Lander> was there a recent british ascent which received wide media attention?
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[22:47] <Lunar_Lander> a friend of mine wrote me an E-mail that he had read such a news
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[22:48] <fsphil> Lunar_Lander, http://www.bbc.co.uk/news/science-environment-12323098
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[22:48] <Lunar_Lander> ah, thanks fsphil !
[22:51] <Lunar_Lander> so the text sounds like they had a device like SPOT?
[22:51] <fsphil> just a mobile phone I think
[22:52] <Lunar_Lander> ah
[22:52] <Lunar_Lander> yeah SPOT is expensive
[22:53] <Lunar_Lander> xD: http://news.bbc.co.uk/2/hi/uk_news/england/8173468.stm
[23:01] <natrium42> hi Lunar_Lander
[23:01] <fsphil> could still be up there!
[23:01] <natrium42> riiight :)
[23:01] <Lunar_Lander> hello natrium42
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[00:00] --- Wed Feb 9 2011