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GET /hyperkitty/api/list/[email protected]/email/YE5VYBEEV53CODQEH6X7HHEMECIUSZH7/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/YE5VYBEEV53CODQEH6X7HHEMECIUSZH7/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "YE5VYBEEV53CODQEH6X7HHEMECIUSZH7", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/YE5VYBEEV53CODQEH6X7HHEMECIUSZH7/", "sender": { "address": "clintbrad4d (a) earthlink.net", "mailman_id": "34e9746137e540a4914cb0d9e0db52fd", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/34e9746137e540a4914cb0d9e0db52fd/emails/" }, "sender_name": "Clint Bradford", "subject": "[amsat-bb] Doppler Discussion", "date": "2010-06-01T16:49:35Z", "parent": null, "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/3NDOOEFI3FDPSONBADFU36CI6NSWAXYH/" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": ">> ... 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", "attachments": [] }