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GET /hyperkitty/api/list/[email protected]/email/3NDOOEFI3FDPSONBADFU36CI6NSWAXYH/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/3NDOOEFI3FDPSONBADFU36CI6NSWAXYH/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "3NDOOEFI3FDPSONBADFU36CI6NSWAXYH", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/YE5VYBEEV53CODQEH6X7HHEMECIUSZH7/", "sender": { "address": "n3tl (a) bellsouth.net", "mailman_id": null, "emails": null }, "sender_name": "Tim - N3TL", "subject": "[amsat-bb] Re: Doppler Discussion", "date": "2010-06-01T18:58:28Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/YE5VYBEEV53CODQEH6X7HHEMECIUSZH7/", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Clint,\n\nThank you for this. Please note that I got a \"broken link\" window when I tried to go to that page.\n\n73,\n\nTim - N3TL\n\n\n\n________________________________\nFrom: Clint Bradford <[email protected]>\nTo: [email protected]\nSent: Tue, June 1, 2010 12:49:35 PM\nSubject: [amsat-bb] Doppler Discussion\n\n>> ... Doppler always will have a more pronounced effect (in relative terms, of course, based on the frequencies being used) on the higher of the two ...\n\nHere's the actual equation for determining Doppler shift ...\n\nhttp://tinyurl.com/calc-dopp\n\nYour generalization is correct. On a 45 degree pass of a sat that's in a circular orbit at 497 miles up, approximate Doppler shifts calculate to ...\n\nAt 15m, +/- 477 Hz\nAt 10m, +/- 659 Hz\nAt 2m, +/- 3.27 kHz\nAt 70cm, +/- 9.76 kHz\nAt 23cm, +/- 28.5 kHz\nat 13cm, +/- 53.8 kHz\n\nClint, K6LCS\nhttp://www.work-sat.com\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", "attachments": [] }