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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/B3LRUYXEBWYIM77JWITKPBHGORU536HB/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "B3LRUYXEBWYIM77JWITKPBHGORU536HB",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/55BPMBFMSNI6VWE7PY2XYKF2ASDGZFYO/?format=api",
    "sender": {
        "address": "mark (a) kk7cu.net",
        "mailman_id": "f88a1c43852246bab37f5227c2116565",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/f88a1c43852246bab37f5227c2116565/emails/?format=api"
    },
    "sender_name": "Mark Lockwood",
    "subject": "[amsat-bb] Re: sirius orbit name?",
    "date": "2008-02-22T09:48:11Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/55BPMBFMSNI6VWE7PY2XYKF2ASDGZFYO/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "My employer used to operate the 3 Sirius Radio Satellites for them.  They\nare highly inclined Geosynchronous, and are set so at least one of the 3 is\nalways over North America.  The idea is to have a higher look angle for most\nof their customers, reducing dropouts from obstructions.  The Kep data for\nthe 3 of them as well as XM radio's birds is available from Celestrack at\nhttp://www.celestrak.com/NORAD/elements/other-comm.txt .\n\nThe 3 Sirius birds currently in orbit are Space Systems Loral FS 1300 Series\nbirds modified so they can be flown inclined.\n\n73 DE Mark KK7CU\n\nOn 2/22/08, Alan Sieg WB5RMG <[email protected]> wrote:\n>\n> >> The Sirius birds are in an \"Inclined Orbit\".\n>\n> > Is this type of orbit can be a solution for the next HEO?\n>\n>\n> The reference to the Molniya orbit could be to recall the orbit of\n> AO-13...     slow high-altitude lingering Northern Hemisphere apogees,\n> rotating ascending nodes about the globe to distribute coverage more\n> evenly around the globe. Over the US, next over Europe, then over Asia.\n> This was very popular at the time, and would likely be welcomed again.\n>\n> I would suspect that a 'tundra-inclined orbit', fixed over the US as the\n> Sirius Radio Sats are, would not be as internationally well supported.\n>    /;^)\n>\n> --\n>   <- WB5RMG is Alan Sieg  *  http://wb5rmg.somenet.net ->\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\n\n\n-- \nMark Lockwood\nFormer Prefect, Metropolitan Rocketry Association 2006-2007\nTRA # 9863\nNAR #86042\nKK7CU\n",
    "attachments": []
}