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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/SPIZM4CGOY54B5HNP5NDI33Q6K2OCZVG/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "SPIZM4CGOY54B5HNP5NDI33Q6K2OCZVG", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/PBBADBT6IPVIZ4G4QR637U7IJFIE7GML/?format=api", "sender": { "address": "kd0ar (a) sbcglobal.net", "mailman_id": null, "emails": null }, "sender_name": "Michael Heim", "subject": "[amsat-bb] Re: working ao-51 (finding the bird)", "date": "2008-11-11T14:19:46Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/4SBMJJDQEWEO7M7CFRTIERVHD2RU4SGH/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Oops... I was wrong. I thought it was written in Java. I know there IS a java tracker out there that is cross platform, but I cant remember which one it was. Seemed like Orbitron was it...\n\nI'll see if I can find the one I'm thinking of, and I'll post it here.\n\nMichael Heim\nChief Engineer, Forever Broadcasting\nNew Castle PA\nWKST WJST WWGY\n814-671-0666\nChapter Chair, SBE-122\nARS KD0AR\n\n\n--- On Tue, 11/11/08, Michael Heim <[email protected]> wrote:\n\n> From: Michael Heim <[email protected]>\n> Subject: [amsat-bb] Re: working ao-51 (finding the bird)\n> To: [email protected], [email protected]\n> Cc: \"AMSAT-BB\" <[email protected]>\n> Date: Tuesday, November 11, 2008, 7:39 AM\n> Gentlemen,\n> \n> I believe Orbitron is written in Java. I have linux, but I\n> cant remember if I've tried it in Linux, but if its in\n> Java, it (should) work. Might want to give it a try anyway,\n> its pretty good, and I use it occasionally in Windows.\n> \n> Sorry, I havent booted the linux box up in awhile. Maybe\n> this evening I'll try orbitron in Linux. Got me curious\n> now.\n> \n> Michael Heim\n> Chief Engineer, Forever Broadcasting\n> New Castle PA\n> WKST WJST WWGY\n> 814-671-0666\n> Chapter Chair, SBE-122\n> ARS KD0AR\n> \n> \n> --- On Mon, 11/10/08, Eric Fort <[email protected]>\n> wrote:\n> \n> > From: Eric Fort <[email protected]>\n> > Subject: [amsat-bb] Re: working ao-51 (finding the\n> bird)\n> > To: [email protected]\n> > Cc: \"AMSAT-BB\" <[email protected]>\n> > Date: Monday, November 10, 2008, 11:41 PM\n> > Presently I'm using a vx-6 and a handheld arrow\n> antenna.\n> > I'm getting my\n> > tracking information from the amsat website. I've\n> > downloaded gpredict for\n> > osx but have not got it running yet, mainly the price\n> was\n> > right. if any of\n> > you have this running under osx I'd like to hear\n> from\n> > you. for The\n> > forseeable future my station will run under unix so\n> some\n> > version of predict\n> > seems like the likely choice. Other suggestions for\n> > tracking under unix are\n> > welcome, especially those which are low cost. \n> orbitron and\n> > pcsat32 look\n> > nice but unfortunately they only run under windows.\n> > \n> > as for tracking I have been attempting to orient for\n> best\n> > polorization but\n> > finding and keeping on the sat while tuning around is\n> still\n> > somewhat\n> > difficult. one question though - Are bearings true\n> or\n> > magnetic?\n> > \n> > Eric\n> > AF6EP\n> > \n> > On Mon, Nov 10, 2008 at 7:03 PM,\n> <[email protected]>\n> > wrote:\n> > \n> > > Hey Eric,\n> > >\n> > > What are you using to find the times and such for\n> > passes? Even if you're\n> > > only using a handheld station - which is all I\n> used\n> > for months here with\n> > > good success - I would suggest downloading and\n> > installing one of the\n> > > tracking programs available online. SatPC32 is\n> very\n> > good, especially if you\n> > > ultimately are going to use it to guide an az/el\n> rotor\n> > setup and to tune\n> > > your radio(s) for Doppler. I am old school here,\n> doing\n> > everything manually\n> > > (and will be for the foreseeable future), and I\n> use a\n> > program called\n> > > Orbitron. I like it a lot for a number of reasons\n> -\n> > not the least of which\n> > > is its ability to provide you with a schedule of\n> > upcoming passes based on\n> > > parameters you provide it.\n> > >\n> > > Each listing on that schedule gives you the time\n> of\n> > Acquisition of Signal\n> > > (AOS) along with an azimuth position. It also\n> lists\n> > time and azimuth for\n> > > maximum elevation, and time and azimuth for Loss\n> of\n> > Signal (LOS). If you\n> > > have those data and a compass, you can\n> \"map\"\n> > a pass in advance, which is\n> > > what I do. I note \"landmarks\" for AOS,\n> mid\n> > pass and LOS, then simply turn\n> > > the compass on its side to check the angle at\n> maximum\n> > elevation. From there,\n> > > it's a matter of visualizing the satellite\n> rising,\n> > moving across the sky and\n> > > setting. Watching visible passes of the\n> International\n> > Space Station is a\n> > > great way to get some visual practice to help\n> when\n> > trying to \"see\" an\n> > > amateur satellite pass as it happens. You\n> won't\n> > actually see the satellite,\n> > > of course, but watching the ISS will give you an\n> idea\n> > of how a satellite\n> > > moves across the sky - especially if you have a\n> chance\n> > to watch passes with\n> > > different maximum-elevation angles.\n> > >\n> > > My first handheld station included a Yaesu VX-7R\n> HT\n> > and an Arrow, so I have\n> > > literally hundreds of passes' worth of\n> experience\n> > with that antenna. When\n> > > you're searching for the satellite, are you\n> > twisting your wrist to adjust\n> > > the position of the elements (i.e., the\n> antenna's\n> > polariztion relative to\n> > > the satellite)? If not, you should try that.\n> There\n> > have been more than a few\n> > > times when a twist of the wrist made the\n> difference\n> > for me in terms of\n> > > getting a new grid square, or not.\n> > >\n> > > I hope at least some of this proves helpful.\n> > >\n> > > 73,\n> > >\n> > > Tim - N3TL\n> > > AMSAT Member No. 36820\n> > > Athens, Ga. - EM84ha\n> > > -------------- Original message from \"Eric\n> > Fort\" <[email protected]>:\n> > > --------------\n> > >\n> > >\n> > > > I think I finally heard the ao-51 downlink\n> > sending some form of digital\n> > > data\n> > > > (likely sstv) this evening from DM14GK at\n> 0218\n> > GMT near the very end of\n> > > the\n> > > > pass. I had much trouble finding the bird\n> and it\n> > took most of the pass to\n> > >\n> > > > find. What can everyone suggest for making\n> it\n> > progressively easier?\n> > > > Antenna is an arrow with duplexer feeding a\n> vx-6\n> > ht.\n> > > >\n> > > > Eric\n> > > >\n> > > > PS\n> > > >\n> > > > I'm curious, who's uplink was that?\n> > > >\n> _______________________________________________\n> > > > Sent via [email protected]. Opinions\n> expressed\n> > are those of the author.\n> > >\n> > > > Not an AMSAT-NA member? Join now to support\n> the\n> > amateur satellite\n> > > program!\n> > > > Subscription settings:\n> > http://amsat.org/mailman/listinfo/amsat-bb\n> > >\n> > _______________________________________________\n> > Sent via [email protected]. Opinions expressed are\n> those\n> > of the author.\n> > Not an AMSAT-NA member? Join now to support the\n> amateur\n> > satellite program!\n> > Subscription settings:\n> > http://amsat.org/mailman/listinfo/amsat-bb\n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those\n> of the author.\n> Not an AMSAT-NA member? Join now to support the amateur\n> satellite program!\n> Subscription settings:\n> http://amsat.org/mailman/listinfo/amsat-bb\n", "attachments": [] }