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GET /hyperkitty/api/list/[email protected]/email/IEC7UZTNO4JEKO6UJA7UXWLWYR4PUNCO/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/IEC7UZTNO4JEKO6UJA7UXWLWYR4PUNCO/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "090220071914.22879.46DB0BA60009F1490000595F22007374780E030D989ACE05@comcast.net", "message_id_hash": "IEC7UZTNO4JEKO6UJA7UXWLWYR4PUNCO", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/IEC7UZTNO4JEKO6UJA7UXWLWYR4PUNCO/", "sender": { "address": "K1UXBMA (a) comcast.net", "mailman_id": "8ecf4075d474473798bbc7e08b8a5c94", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/8ecf4075d474473798bbc7e08b8a5c94/emails/" }, "sender_name": "[email protected]", "subject": "[amsat-bb] Re: doppler.", "date": "2007-09-02T19:14:46Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Hello all.\n\nMy husband Nick (K1UXB) passed away last February 3, 2007. He had been a Ham operator since age 15. He was 71 when he passed.\n\nDo you know anyone in Massachusetts (I am in Medford) that needs equipment ? I can send you Model #'s etc. He also has lots of huge antennas here at the house.\n\nPlease call if you or anyone you know is interested. He would appreciate the equipment being put to good use.\n\nSincerely,\nAlice\n\n(781) 395-4509\n\nPlease forward this e-mail to contact anyone who would be interested. Thanks.\n\n-------------- Original message -------------- \nFrom: \"John Hackett\" <[email protected]> \n\n> Hi All, \n> Re: doppler. I've attached K4GMJ's article from the August 1992 \n> issue of Oscar News. It may be of interest to those, like me, who still use \n> old equipment. \n> \n> In addition to Maury's notes, I can mention, I have used an NE 567 tone \n> decoder IC and a LED as the visual receiver with a simple twin-T audio \n> oscillator for the transmitted signal. \n> A simple twin-T osc: is better than an NE555 in this application. \n> \n> I still operate with the Yaesu 290/790 pair + associated homebrew aerials \n> and amps (over 20 years now) and manage quite nicely on VO-52 with \n> InstantTUNE. When set up correctly, the signals track perfectly so even with \n> \"old\" equipment it's still possible to adhere to THE ONE TRUE RULE regarding \n> doppler. \n> \n> I don't tune at all for doppler on AO-7. \n> \n> Occasionally, just for fun, I tune manually ... (transmitter and receiver) \n> .... to keep the frequency constant at the satellite, however ... be aware \n> .... it is *NOT* mandatory to keep the signal fixed at the satellite. Many \n> operators still use the manual convention of tuning the highest frequency \n> .... (because it has the highest doppler rate). \n> \n> This is perfectly acceptable because not everybody is either 1) affluent \n> enough to be able to afford the latest all singing, all dancing multimode \n> rig ... or 2) not experienced enough to cope with doppler on the uplink and \n> the downlink at the same time. \n> \n> 73 John. \n> \n", "attachments": [] }