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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/Z7SCOFBL2XYG2KJI53TCA2LGHR3NCXWT/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "017c01c8572f$593a1fc0$0bae5f40$@net",
    "message_id_hash": "Z7SCOFBL2XYG2KJI53TCA2LGHR3NCXWT",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/7IEWP2MI2PN76ME2MUBYTGJQR37UP7UQ/?format=api",
    "sender": {
        "address": "aegoldm (a) verizon.net",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Art Goldman",
    "subject": "[amsat-bb] Re: APRS and Tracking Software for Linux?",
    "date": "2008-01-15T04:30:24Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/HEPYM2Z666CDD2MP4LR6LFAUE2OFRQZ4/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "John:\n\nI've written a satellite tracking program in Java, that will work on Linux.\nThe problem I ran into is that Java has terrible support for hardware like\nserial ports and USB ports, which we have historically used to control\nradios and rotators.\n\nMy program (I call it JSatTrack) was written to control the FT-847, IC-910\nand TS-2000, and also several rotator protocols. Because I have the serial\ndrivers for windows, it controls those devices when run on windows. But not\non a MAC, and not on Linux, because serial port classes aren't there.\n\nIt will work without controlling any radios/rotators, but Java will complain\nabout the serial driver classes not being there, so I would have to remove\nall the code that relies upon those driver classes.\n\nIt reads the KEPS from AMSAT or CELESTRAK, and will track any 'reasonable'\nnumber of satellites simultaneously. It maintains a sorted list of upcoming\npasses for the satellites being tracked, and shows their location on a world\nmap. The currently visible, highest priority satellite is shown with the\nuplink and downlink frequencies adjusted for Doppler and for any\nupconverter/downconverter.\n\nI was working on an easy way to sync the TX and RX in order to make QSOs\neasy and still follow the \"one true rule for Doppler tuning\". That feature\nmay still need a bit of touchup, but it won't matter if you're not\ncontrolling a radio.\n\nWhat I've been doing is changing the program to talk over the internet\n(local or long-distance) to a small microcontroller with an Ethernet port\n(I'm using the Modtronics (www.modtronix.com) SBC65 board). That board has a\nserial port, multiple common collector ports, and multiple A/D converter\nports - all that I need to control a radio and an az-el rotator. That work\nhas been started but there's a lot to do, so it will take some time.\n\nIf you want to play with what I have, I will have to make the serial port\nmods before I can make it available. It also has a licensing scheme that\nrequires a license file (I was planning on either selling it or donating it\nto AMSAT so they can profit from sales, but I can't do that until it is\ncomplete.) But I'll create a license file for you so you can play to your\nheart's content, and possibly give me feedback on the program. It needs at\nleast the Java 4.1 runtime, but I've been compiling it with 5.0. Not sure if\nit will complain on 4.1 now or not.\n\nLet me know if you're interested and I'll look into removing reliance on the\nserial port classes.\n\n73,\nArt N3OY\n\n\n\n\n-----Original Message-----\nFrom: [email protected] [mailto:[email protected]] On\nBehalf Of John Heaton\nSent: Saturday, January 12, 2008 9:39 AM\nTo: amsat bb\nSubject: [amsat-bb] Re: APRS and Tracking Software for Linux?\n\n-----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA1\n\nOn 12 Jan 2008, at 03:07, George Henry wrote:\n> Look at http://packages.ubuntu.com  and click on the name of the  \n> version you\n> have (7.10 is hardy, not sure what 6.06 is) and then hamradio...   \n> you will\n\n6.06 LTS is Dapper Drake\n7.04 is Feisty Fawn\n7.10 is Gutsy Gibbon\n8.04 LTS will be Hardy Heron (due out in April)\n\nLTS is the Long Term Support version.\n\n6.06 LTS and 7.04 are the most stable.  7.10 is a vast improvement  \nbut contains several buggettes\n\nFor some that I've found: http://www.phers.co.uk/content/view/79/1/\n\n8.04 LTS is available as Alpha 3 now, but DON'T USE IT AS YOUR MAIN  \nSYSTEM...\n\nJohn\n\n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1.4.3 (Darwin)\n\niD8DBQFHiNEgDwhbGQHPUt0RAqIhAJ9BWNPaEOYDuIuJmOdJzLauwlXddACgnRBn\nl1AgXOr+4awQc+dWjEJ+8JM=\n=km9u\n-----END PGP SIGNATURE-----\n_______________________________________________\nSent via [email protected]. Opinions expressed are those of the author.\nNot an AMSAT-NA member? Join now to support the amateur satellite program!\nSubscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n\n",
    "attachments": []
}