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GET /hyperkitty/api/list/[email protected]/email/7WJOOUXLA45HHHFKTSOK5HBPAKBBS3VT/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/7WJOOUXLA45HHHFKTSOK5HBPAKBBS3VT/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "CAPovOwcK8AGMj0XdqR7k4EiEC299bnHvMPHZ5Ts4Jft=BSdoyg@mail.gmail.com", "message_id_hash": "7WJOOUXLA45HHHFKTSOK5HBPAKBBS3VT", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/7WJOOUXLA45HHHFKTSOK5HBPAKBBS3VT/", "sender": { "address": "kayakfishtx (a) gmail.com", "mailman_id": null, "emails": null }, "sender_name": "Clayton Coleman", "subject": "[amsat-bb] Az-El Rotors", "date": "2016-01-25T17:13:10Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "I am not a fan of omni antennas for the current LEO satellites. The\neggbeater or moxons are marginal performers at best.\n\nShort, quality feedlines and RX preamps are good ways to minimize\nineffectiveness of omnis but there's no silver bullet.\n\nIf you have no other choice but omnis, you may find yourself limited to\ncertain satellites and certain passes. SO-50, for example, is not going to\nbe favorable. Compensating for lack of hearing ability by running full\npower won't make you many friends.\n\nWorking satellites on an almost daily basis, one can often identify an\neggbeater or omni user by their inability to hear a very strong signal from\nthe satellite.\n\nAs previously mentioned, a set of small yagis at a fixed elevation with an\nazimuth rotor will yield far better results. The trick is not using\nlonger, high-gain yagis. You'll have more beam width with smaller ones.\nConsidering what many stations achieve with an Arrow or Elk antenna (7,000+\nkm contacts,) bigger isn't always better.\n\nOmnis are okay as long as you understand the shortcomings.\n\n73\nClayton\nW5PFG\n", "attachments": [] }