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GET /hyperkitty/api/list/[email protected]/email/566LZNHQLUSSWW6DNY7IT64BIWOO4EVB/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/566LZNHQLUSSWW6DNY7IT64BIWOO4EVB/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "002301c89798$829560b0$0400a8c0@parents", "message_id_hash": "566LZNHQLUSSWW6DNY7IT64BIWOO4EVB", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/WANLHULSOKS4R6GWOLY2VGKZ3OB4CGKX/", "sender": { "address": "ka3hsw (a) earthlink.net", "mailman_id": null, "emails": null }, "sender_name": "George Henry", "subject": "[amsat-bb] Re: AO-51 Mode S Antenna question", "date": "2008-04-06T03:44:25Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/WANLHULSOKS4R6GWOLY2VGKZ3OB4CGKX/", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "\n----- Original Message ----- \nFrom: \"Ronald Nutter\" <[email protected]>\nTo: <[email protected]>\nSent: Saturday, April 05, 2008 10:02 PM\nSubject: [amsat-bb] AO-51 Mode S Antenna question\n\n\n>I have one of the K5GNA modified downconverters with the corner\n> reflector attached. Since starting to set my satellite station back up,\n> this is one area that I hadnt addressed. I have my antennas mounted to\n> a Channel Master rotor on a commercial TV tripod. The antennas are\n> angled at about 25 degrees because of some ground clutter, trees, etc\n> that I have to shoot over to get to the satellites.\n>\n> With this setup, can I mount the Mode S downcoverter and have a\n> reasonable chance at getting it to work or should I look at some type of\n> patch antenna to get better signal picket ? Is mode S a little less\n> unforgiving so that I have to have it more directed at the satellite\n> than I can get away with on my current VHF/UHF antenna setup ?\n>\n> Thanks,\n>\n> Ron\n> KA4KYI\n\n\nThe mode S downlink on AO-51 is pretty easy to receive with a corner \nreflector without critical aiming: there's a video somewhere of Drew (I \nthink...) making contacts with just such a downconverter/corner reflector \ncombo just laying on its side on the roof of his car... The real trick is \nthe doppler: 3x as much as on 70 cm! CAT tuning is a must.\n\n73,\n\nGeorge, KA3HSW\n\n", "attachments": [] }