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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/BIU3DLURI63AJBL5X65ISJBMPOGNZBX5/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "BIU3DLURI63AJBL5X65ISJBMPOGNZBX5",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/5SIBL5V66NDW5WGMSIHAYNCRJALQRDDT/?format=api",
    "sender": {
        "address": "seb (a) wintek.com",
        "mailman_id": "334792c18f7f4268a405ca1814e93bd0",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/334792c18f7f4268a405ca1814e93bd0/emails/?format=api"
    },
    "sender_name": "Stephen  E. Belter",
    "subject": "[amsat-bb] Re: Pass prediction algorithm",
    "date": "2010-06-28T18:18:21Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/TX5HU76TH6WKBJC5F2HNE6VSAJS5FXZP/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Reid,\n\nMy suggestion is that you start from \"Predict\", an open source satellite tracking and orbital prediction program:\n\nhttp://www.qsl.net/kd2bd/predict.html\n\n73, Steve N9IP\n-- \nSteve Belter ([email protected])         My Desk: 765-269-8521\n\n> -----Original Message-----\n> From: [email protected] [mailto:[email protected]] On\n> Behalf Of B J\n> Sent: Monday, June 28, 2010 1:26 PM\n> To: Reid Crowe\n> Cc: [email protected]\n> Subject: [amsat-bb] Re: Pass prediction algorithm\n> \n> \n> \n> --- On Mon, 6/28/10, Reid Crowe <[email protected]> wrote:\n> \n> > From: Reid Crowe <[email protected]>\n> > Subject: [amsat-bb]  Pass prediction algorithm\n> > To: [email protected]\n> > Received: Monday, June 28, 2010, 8:59 AM\n> > I'm trying to write my own pass\n> > prediction program for tracking FM\n> > satellites.  This program will this notify the users\n> > of upcoming passes\n> > via APRS messaging.  I would like to find an algorithm\n> > that will predict\n> > AOS/LOS time and azimuth and the  maximum\n> > elevation.  I'm also hoping\n> > this algorithm will not be too computationally intensive as\n> > it may\n> > possibly be used for hundreds of different station\n> > locations.\n> >\n> > Can anyone help?\n> \n> I'd suggest looking at books on spacecraft mechanics.\n> \n> One which may help is \"Fundamentals of Astrodynamics\" by Roger R. Bate,\n> Donald D. Meuller, and Jerry E. White (published by Dover).  It's one of\n> the better books on the subject, in my opinion, as I found it easier to\n> read than many of the others I've seen.  One does need some familiarity\n> with calculus and linear algebra in order to understand the theory,\n> however, but it's not overwhelming.\n> \n> Another one is \"Modern Spacecraft Dynamics & Control\" by Marshall H.\n> Kaplan (published by John Wiley & Sons).  It's good, too, but I didn't\n> find it as easy to go through as the other one.\n> \n> 73s\n> \n> Bernhard VA6BMJ @ DO33FL\n> \n> \n> \n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n\n",
    "attachments": []
}