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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/XKFK77HDMBCFNMZ2KPYCT7OB2CVTORLC/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "XKFK77HDMBCFNMZ2KPYCT7OB2CVTORLC", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/UHSVJHWAYFVOXTEOKO3Y62Y45FLS5RAI/", "sender": { "address": "daniel (a) destevez.net", "mailman_id": "c2eac82b839b45f5a7d3b923c1721007", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/c2eac82b839b45f5a7d3b923c1721007/emails/" }, "sender_name": "Dani EA4GPZ", "subject": "Re: [amsat-bb] [Starcom-bb] VE2BMC & MORE!", "date": "2016-08-14T10:00:12Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/UHSVJHWAYFVOXTEOKO3Y62Y45FLS5RAI/", "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/RCHB5GRUYW4UU2UP2ILTZPMFM7JLGCLF/" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "\n>> *I am certainly interested in investigating this further and try. May be\n>> some in the mailing list would have inputs or experiences to share on the\n>> matter. Again, I have been able to make EME QSO's with very small stations\n>> relatively speaking (~8000 watts EIRP) so satellite reflection should be\n>> much easier and accessible to relatively small stations.*\n\nActually, satellite bounce seems to be much more difficult than EME.\nWhile there have being several reports of ISS bounce, as far as I know\nusing a (smaller) satellite to bounce off and achieve a QSO has only\nbeing done once:\n\nhttp://www.dj5ar.de/?p=2182\n\nThis was done by 23cm stations well equipped for EME, one of them PI9CAM\nusing the 25m dish in Dwingeloo.\n\nThe path loss for satellite bounce is much better than for EME (-140dB\nor so versus -271dB for EME in 23cm). The challenge is in pointing the\ndishes, tracking Doppler (+/-30kHz during the pass) and the fact that\nthe radar equation considers only ideal conditions and in reality the\nsignals are much weaker and have QSB.\n\n73,\n\nDani EA4GPZ.\n\n", "attachments": [] }