[00:00] time has flown [00:00] i should be in bed [00:00] hehe [00:00] geting up early [00:00] oh right [00:01] what for? [00:02] iridium flare [00:02] oh right [00:02] 2 mins for this os x binary? [00:03] no compiling required [00:03] ok [00:03] http://code.google.com/p/dl-fldigi/downloads/list [00:04] seems to run [00:04] great [00:04] whats teh plan for tomorrow? [00:06] not sure what time i'm turning up [00:06] will text steve in the morning [00:06] fair enough [00:06] i'll leave the icom running [00:06] any computer control? [00:07] can i vnc to tune it? [00:07] i will probs ge a human to do it [00:07] fair enough [00:07] cool cool [00:08] right i'm off [00:08] night [00:08] c u [00:08] jcoxon (n=jcoxon@host86-163-199-83.range86-163.btcentralplus.com) left irc: "Leaving" [00:14] GeekShadow (n=Antoine@reactos/tester/GeekShadow) left irc: "The cake is a lie !" [00:17] Laurenceb (n=laurence@host86-152-36-189.range86-152.btcentralplus.com) joined #highaltitude. [00:17] hi [00:18] SpeedEvil: have you considered steam engine style injectors for rocket motors? [00:21] Laurenceb: what do you mean [00:21] the injectors used on steam engine boilers [00:22] no - I suspect they'd be too large - cast iron is heavy too [00:23] not the actual injectors :P [00:24] http://en.wikipedia.org/wiki/Steam_injector [00:26] Laurenceb: I don't see how that helps [00:26] no moving parts, nice and simple [00:26] err [00:26] unfortunately stopping it from melting could be hard [00:26] s/steam/gas from combustion chamber [00:26] you mean you have a high pressure oxidant stream, and a low pressure fuel? [00:27] and try to entrain teh fuel in the oxidant stream? [00:27] I'm not sure yet... [00:27] the principle is interesting, just wondering if it could be applied to rockets [00:27] for biprop, the injectors need to be complex [00:27] http://upload.wikimedia.org/wikipedia/commons/b/b8/Boiler_Feed_Injector_Diagram.svg [00:28] basically you need to form two sets of sprays that intersect at acute angles formed of the different propellants [00:28] yes [00:29] especially in small engines [00:30] edmoore (n=ed@pomegranate.chu.cam.ac.uk) left irc: [00:30] the desire to get a nice fine spray means you need high energy/volume in the spray production process [00:30] which means a decent pressure drop across the nozzle [00:30] yeah [00:30] This is less important if you've got a big engine - but for small ones it's critical [00:57] s/engine/combustion chamber/ [01:11] mib_ob5q9c (i=568f5528@gateway/web/ajax/mibbit.com/x-fd0f91c9c01f9c9d) joined #highaltitude. [01:11] mib_ob5q9c (i=568f5528@gateway/web/ajax/mibbit.com/x-fd0f91c9c01f9c9d) left irc: Client Quit [01:44] cya [01:44] Laurenceb (n=laurence@host86-152-36-189.range86-152.btcentralplus.com) left irc: "The day microsoft make something that doesnt suck is the day they make a vacuum cleaner" [01:47] Nick change: KingJ -> kingj [01:56] do you guys have a link to the project where the group attached a model aircraft to a weather balloon ? [01:58] laurenceb - who just left - did it with a rollago [02:12] sbasuita_ (n=sbasuita@unaffiliated/drebellion) joined #highaltitude. [02:28] sbasuita (n=sbasuita@unaffiliated/drebellion) left irc: Read error: 110 (Connection timed out) [02:57] they launch the aircraft from the balloon? [02:57] yes [02:57] he did [02:58] awesome [02:58] it had control issues - he's relaunching sometime soon [02:58] cool [06:13] Simon-MPFH (n=simon@phantom.mpfh.co.uk) joined #highaltitude. [06:36] Simon-MPFH (n=simon@phantom.mpfh.co.uk) left irc: "Leaving" [08:00] mib_5mz99g (i=44b909ab@gateway/web/ajax/mibbit.com/x-be9e9b9693a324fa) joined #highaltitude. [08:18] edmoore (n=ed@pomegranate.chu.cam.ac.uk) joined #highaltitude. [08:19] jcoxon (n=jcoxon@host86-163-199-83.range86-163.btcentralplus.com) joined #highaltitude. [08:20] morning all [08:27] mib_5mz99g (i=44b909ab@gateway/web/ajax/mibbit.com/x-be9e9b9693a324fa) left irc: "http://www.mibbit.com ajax IRC Client" [08:48] morning jc [08:48] jcoxon, even [08:48] hey edmoore [08:48] how was the flare? [08:48] sod that for a bunch of bananas [08:49] just wasn't happening at 4.12am [08:49] hehe [08:49] shame though, it was mag -8 [08:49] would have probably dazzled me and lost my night vision [08:51] oh there is a new copy of the client [08:52] oh? [08:53] it remembers which payload you selected to track [08:54] seems to work [08:54] how can i actually set it up to upload with my details? [08:55] in the operator tab [08:56] what's the link to rob's site to check it's working? [08:57] http://www.robertharrison.org/listen/view.php [08:57] you need to fill in your callsign before it'll send an update [08:59] have done [08:59] not much going on [09:00] hmmm [09:00] could you reopen it [09:01] it only sends updates every 15 mins [09:01] i assume unless it's actually got data to send? [09:02] yes [09:02] well there are 2 forms of data [09:02] the status update that you are running the client - every 15mins [09:02] and then the actually data [09:02] have re-opened [09:03] does the python client still work? [09:03] no [09:03] edmoore, this will take 1 min [09:03] go into to terminal and open it from there [09:03] it'll dump a load of debug data [09:04] the python client 'should' still work [09:04] though it really hasn't been tested in weeks [09:05] no debug info [09:06] oh [09:06] thats really odd [09:06] did you cd into the app and find the actual binary? [09:08] no [09:08] fldigi-3.11.4.app/Contents/MacOS [09:09] e.g. /Volumes/fldigi-3.11.4/fldigi-3.11.4.app/Contents/MacOS [09:11] yep yep did it [09:11] entered the details [09:11] 2 minutes ago [09:12] sorry [09:12] and still no output? [09:12] not on rob's site [09:12] in the terminal itself? [09:13] 1243152789 [09:13] anything like: [09:13] Send status update [09:13] 2009-05-24 09:06:14 [09:13] CHILD: received "string=ZZ,M6JCX,2009-05-24 09:06:14,51.498,-0.0529,FT817,MOXON&identity=M6JCX" [09:13] 0 [09:14] no [09:14] this is really sad [09:14] it doesn't work :-( ! [09:15] location of latest python client? [09:16] http://spacenear.us/wiki/doku.php?id=dlistening:client:dlclient7.py [09:16] though i'm not sure it'll work [09:16] ok. well we might have to be deaf today then from cambridge [09:16] okay [09:17] i'm thinking its a curl issue [09:18] edmoore, could i ssh into your laptop and compile the code? [09:20] http://www.robertharrison.org/listen/view.php [09:20] oooo python? [09:20] yes [09:20] excelent [09:20] it works, let's not f with it. it's flight day. [09:21] i'm not sure if it'll be happy with steve's telem string [09:21] its a little unusual [09:21] i might just take it with me [09:21] where are you? [09:21] london [09:21] i'm not coming down [09:21] no suffolk listening? [09:21] injured my back a few days [09:22] ago [09:23] is there anything listening in soffolk? [09:24] no [09:24] we are best placed this flight [09:24] we = ? [09:24] the group [09:24] we aren't* [09:24] agreed [09:24] my typing is awful today [09:26] we need to find someone in yarmouth/lowestoft [09:26] to complete the coverage [09:26] right, i am going to go and sort myself out. If you have 2 mins, a worthshile thing might be double checking that the client can deal with steve's telem string [09:26] will do [09:26] i will be back in about 8 mins [09:26] that's about the last chance i'll have to faff with this [09:30] on another note, not that i am a conspiracy theorist, but I note that we've never actually seen natrium42 and roger federer in the same room... [09:35] edmoore, now i'm confused! [09:37] edmoore, the client should work [09:37] it worked on the wav file i have [09:38] its too late anyway to change anything [09:45] ok cool [09:50] edmoore (n=ed@pomegranate.chu.cam.ac.uk) left irc: [09:53] Futurity (n=Futurity@cpc1-cmbg15-2-0-cust43.5-4.cable.virginmedia.com) joined #highaltitude. [09:54] moning [09:58] hey Futurity [10:08] g1zvn (n=zsirc@general-ld-216.t-mobile.co.uk) joined #highaltitude. [10:08] ping edmoore [10:09] jcoxon are you in the yahoo ballooning list? [10:09] yes [10:09] Nick change: g1zvn -> mc_ [10:10] edmoore might be interested in the rockoon post [10:10] yes an intereting thread [10:11] it might not be legal in the usa [10:11] the replies are a little negative [10:13] if its legal here that would be great [10:17] Nick change: sbasuita_ -> sbasuita [10:19] it would be good to do a few small rockoon launches to set a precedent [10:19] jcoxon, can you ask b brown to forward his email on rockoons [10:21] edmoore (n=ed@pomegranate.chu.cam.ac.uk) joined #highaltitude. [10:23] hi everyone [10:23] edmoore (n=ed@pomegranate.chu.cam.ac.uk) left irc: Read error: 104 (Connection reset by peer) [10:23] hey Futurity [10:23] hi [10:24] Just been speaking to Robert on the phone [10:24] oh cool [10:24] he'll be at the launch for around 11am he thinks [10:24] right [10:24] i've got the kids right now [10:24] http://www.robertharrison.org/tracker/ [10:24] that is where he is [10:24] and Robert needs to ask Steve first if he'd mind them being there (which is understandable) [10:25] yup steve is sometimes hard to catch [10:25] if i can go [10:25] then i'll take my telescope and try and optically track it [10:25] well i'd rather Steve was happy [10:25] it's his launch [10:26] great racker Robert has [10:26] btw should i be using real names here or irc names? [10:27] we mainly use irc names [10:27] o [10:27] i'll get used to it soon i'm sure [10:27] :-) [10:28] it turns out that my transceiver does support AM as well as FM (It appears to have been hacked) [10:28] but unfortunately only FM for the 430MHz band :( [10:28] but not SSB [10:29] it's a real shame [10:29] i take it that within a band, you can transmit in any format you choose [10:29] i mean at that low power [10:29] 10mW or less [10:29] yes [10:30] shame i can't help out on software [10:30] but hopefully another pair of hands will help [10:30] yup [10:30] off to test my transceiver further and get the telescope prepared [10:31] ttfn [10:31] mc_ (n=zsirc@general-ld-216.t-mobile.co.uk) left irc: Read error: 60 (Operation timed out) [10:35] edmoore (n=ed@pomegranate.chu.cam.ac.uk) joined #highaltitude. [10:45] g1zvn (n=zsirc@general-ld-216.t-mobile.co.uk) joined #highaltitude. [10:45] g1zvn (n=zsirc@general-ld-216.t-mobile.co.uk) left irc: Client Quit [10:46] g1zvn (n=zsirc@general-ld-216.t-mobile.co.uk) joined #highaltitude. [10:47] edmoore, did you see the yahoo ballooning list chat? [10:47] Nick change: g1zvn -> mc_ [10:54] icez (n=icez@unaffiliated/icez) left irc: Remote closed the connection [11:09] Futurity (n=Futurity@cpc1-cmbg15-2-0-cust43.5-4.cable.virginmedia.com) left irc: [11:23] jcoxon,is zeusbot alive? [11:24] yup [11:24] oh [11:24] perhaps not [11:25] let me check [11:27] fixed [11:38] Nick change: kingj -> KingJ [11:44] mc_ (n=zsirc@general-ld-216.t-mobile.co.uk) left irc: Read error: 110 (Connection timed out) [11:50] rharrison_eee (n=rharriso@212.183.134.128) joined #highaltitude. [11:50] Hi all [11:51] at least another hour [11:51] hey rob [11:51] oh, not going well? [11:52] Just slow you know what it's like [11:52] This is the most complex pay load I have seen to date [11:52] oh cool [11:52] well i'm ready [12:00] Ok will shout ar the 30 min mark [12:01] we havent even got the gas out yet [12:05] fair enough [12:06] Nice day though [12:07] :-) [12:08] stuck indoors [12:08] got my antenna higher then usual, so should be able to pick stuff up [12:11] Simon-MPFH (n=simon@phantom.mpfh.co.uk) joined #highaltitude. [12:16] col [12:16] cool [12:17] Neil has just arrived [12:28] how are the DL clients [12:32] Hiena (n=Hiena@81.93.195.181.datatrans.hu) joined #highaltitude. [12:35] james can u flush the data [12:35] on my site [12:35] yup [12:35] one se [12:36] done [12:44] Ok data should be comming through [12:45] mib_0iwu0f (i=540d179c@gateway/web/ajax/mibbit.com/x-be94ba49437fa39d) joined #highaltitude. [12:46] it take it, that the launch hasn't taken place yet? [12:47] mib_0iwu0f (i=540d179c@gateway/web/ajax/mibbit.com/x-be94ba49437fa39d) left irc: Client Quit [12:47] oops [12:47] missed mib_0iwu)f [12:48] cudddykid (i=540d179c@gateway/web/ajax/mibbit.com/x-7806d1262011510d) joined #highaltitude. [12:48] cudddykid (i=540d179c@gateway/web/ajax/mibbit.com/x-7806d1262011510d) left irc: Client Quit [12:50] GeekShadow (n=Antoine@reactos/tester/GeekShadow) joined #highaltitude. [12:50] cuddykid (i=540d179c@gateway/web/ajax/mibbit.com/x-6a94e0f0be214107) joined #highaltitude. [12:50] hey all [12:50] hi [12:51] I guess the launch hasn't taken place yet? [12:51] not yet [12:51] soon [12:52] exciting now! [12:54] cuddykid, you coming through spacenear.us? [12:54] yes [12:54] cool [12:56] it'll probably be 30mins or so [12:56] ok, i'll have a break and tune in in a few mins! [12:56] cuddykid (i=540d179c@gateway/web/ajax/mibbit.com/x-6a94e0f0be214107) left irc: "http://www.mibbit.com ajax IRC Client" [12:58] jatkins (n=jatkins@79-76-102-63.dynamic.dsl.as9105.com) joined #highaltitude. [12:59] hey jatkins [13:00] hi [13:00] launch today? [13:00] launch soon [13:00] yup [13:00] cool [13:00] http://spacenear.us/tracker/ [13:00] rjharrison's payload? [13:00] payloads online [13:00] no steves [13:00] cool [13:00] i got at commands working w/ hyperterminal [13:01] i just had the wrong baud rate (it uses 19200 bps) [13:01] i'm not sure how to connect it to my mcu though [13:01] Another hour [13:01] do i need to use a max232? [13:02] or 3232 [13:03] jatkins, ummm depends [13:03] whats your phone? [13:03] nokia 6210 [13:04] it uses a dlr-3p cable [13:04] most phones are ttl voltage [13:04] so can go with mcus [13:04] it has 2.7v vcc [13:04] you'll need to reduce your arduino voltage a litt [13:04] cable ->> http://www.amazon.co.uk/Elekratek-Nokia-Serial-Cable-DAT_N51/dp/B000K2U22E/ref=sr_1_2?ie=UTF8&s=miscellaneous&qid=1243166679&sr=8-2 [13:04] as in a small voltage divider to reduce it [13:05] yeah [13:05] i tried that before [13:05] but I think you have to go through the db-9 [13:05] which is rs-232 level [13:05] no no [13:05] becuase there's a pic inside which converts to at commands [13:05] otherwise it's fbus [13:05] really? [13:05] yeah [13:05] that is a new approach [13:05] oh [13:06] most of the time those cables just change the voltage [13:06] i tried bypassing the db-9 converter (there'sa pic inside it ) [13:06] you sure its a pic? [13:06] i thinkso [13:06] have you done at commands w/a phone that uses a dlr-3? [13:06] it's the same for 6310 [13:07] yeah, it's a pic: http://www.atrox.at/datacable/dlr3/index.html [13:08] Laurenceb (n=laurence@host86-152-36-189.range86-152.btcentralplus.com) joined #highaltitude. [13:08] hmmm thats not a 'real' dlr3 cable [13:08] hi folks [13:08] ok [13:08] hi [13:08] any launches coming up? [13:08] Laurenceb, yes today [13:08] jatkins, i'm not so sure [13:08] jcoxon: i'm not using that one (using the one from amazon) [13:08] - I'm busy afraid [13:08] whos launching? [13:08] steve [13:08] jatkins, sure [13:08] let me investigate [13:09] thx [13:09] jcoxon: when are you launching? [13:09] not sure [13:09] been busy with the DL client recently [13:09] any idea what steve is flying? [13:10] yes dual payload [13:10] with cameras [13:10] nice, all his payloads? [13:10] yes [13:10] on http://spacenear.us/tracker/ [13:12] hey nice page [13:12] oh thats natriums? [13:12] yes [13:12] jatkins, the DLR-3 is just a voltage converter [13:12] that place looks familiar [13:14] jcoxon: ok [13:14] thx [13:14] from 2.7 v to rs-232? [13:14] yes [13:14] oh cool [13:14] e.g. http://www.kukkuk.dk/blog/2008/10/27/converting-a-nokia-dlr-3-data-cable-to-a-33v-jtag/ [13:14] i'll just do a voltage divider [13:15] thx for link [13:15] the connector on the cable would be a good way to connect to the phone [13:15] yeah [13:15] i used to remove the db-9 end [13:15] yeah [13:15] there's 3 wires inside [13:15] tx,rx,and gnd i guess [13:15] yup [13:16] gtg [13:16] good luck with the flight [13:16] cya [13:16] Laurenceb (n=laurence@host86-152-36-189.range86-152.btcentralplus.com) left irc: Remote closed the connection [13:19] jcxon:so [13:19] cuddykid (i=540d179c@gateway/web/ajax/mibbit.com/x-50c66a8ed622e3e6) joined #highaltitude. [13:19] 220 ohms [13:19] plus 47 ohms [13:19] for a voltage divider [13:19] I'm back! [13:19] jatkins, there are some calculators on line [13:19] (220 ohms / 267 ohms) * 3.3 = 2.719 [13:19] cuddykid, theyv'e had a little bit more of a delay [13:19] jatkins, oh is your arduino 3.3v? [13:20] yeah, arduino pro mini [13:20] oh right [13:20] then don't worry [13:20] it can tolerate 2.7/3.3 [13:20] oh ok [13:20] i thought you had a 5v arduino [13:20] i have got one,but not using for this flight [13:20] good move [13:20] 3.3v is much easier to work with [13:20] yeah ... for gps and logomatic etc. [13:21] so yeah you should be able to conect the phone directly [13:21] i'll have a go with the phone now and let you know when i get it working [13:21] yeah [13:21] great [13:21] thx for the help [13:21] np [13:21] hte launch will be cool if you are free this afternoon [13:22] yeah [13:22] i'll follow online [13:22] are you going to help launch it? [13:22] no i'm in london [13:22] what a great day for launch! [13:22] couldn't go up for this launch [13:22] oh right :) [13:22] yeah [13:22] will track from here + making sure everything works [13:22] cuddykid, yeah [13:22] yeah [13:22] perfect day [13:23] and good jetstream [13:23] no too strong [13:23] yeh [13:23] bbl [13:24] jatkins (n=jatkins@79-76-102-63.dynamic.dsl.as9105.com) left irc: "Yummy, like ircing on a cake! [ http://www.bersirc.org/ - Open Source IRC ]" [13:24] g1zvn (n=zsirc@general-ld-216.t-mobile.co.uk) joined #highaltitude. [13:24] when do you reckon it will be launched? [13:24] hmmm 30mins [13:24] the cutdown fired on the ground [13:24] so needs to be replaced and the code checked [13:25] not good! Gives me time for lunch! [13:25] hehe [13:26] cuddykid, how did you find out about the launch? [13:26] cuddykid1 (i=540d179c@gateway/web/ajax/mibbit.com/x-127506e89853adee) joined #highaltitude. [13:26] jcoxon, I think zuesbot has stopped logging [13:26] cuddykid1 (i=540d179c@gateway/web/ajax/mibbit.com/x-127506e89853adee) left irc: Client Quit [13:26] hmmm [13:26] i fixed it a minute ago [13:26] thanks [13:28] cuddykid (i=540d179c@gateway/web/ajax/mibbit.com/x-50c66a8ed622e3e6) left irc: "http://www.mibbit.com ajax IRC Client" [13:35]