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GET /hyperkitty/api/list/[email protected]/email/GAUPGCHAZHAOJMW7SLOHCT4NFJILW5KB/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/GAUPGCHAZHAOJMW7SLOHCT4NFJILW5KB/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "GAUPGCHAZHAOJMW7SLOHCT4NFJILW5KB", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/GAUPGCHAZHAOJMW7SLOHCT4NFJILW5KB/", "sender": { "address": "jcwerth1 (a) yahoo.com", "mailman_id": "ad470b42850e4fc3bbfee8956f095db1", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/ad470b42850e4fc3bbfee8956f095db1/emails/" }, "sender_name": "Joe Werth", "subject": "Re: [amsat-bb] CP antennas VS non CP antennas", "date": "2018-02-05T00:27:10Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Jim,\nScott, KA9P has done some linear vs circular comparisons. You might email him and get his perspective.\n\n73,\nJoe KE9AJ\n\nSent from my iPhone\n\n> On Feb 4, 2018, at 5:08 PM, [email protected] wrote:\n> \n> \n> \n> \n> \n> \n> \n> I have been licensed since 1966. I have fond memories of working LEO satellites like RS12/13, RS15, etc. but have not done any satellite work since the failure of AO40. The number of new LEO sats has\n> encouraged me to get back in the game so I pulled out some equipment & checked it out and am ready for the antenna. Sorry for being so long-winded but I thought a little history was in order so you would understand what I am about to ask. I know what circular polarization is and why it is used.\n> My question is, has there been any study or article or some real life actual experiences comparing CP antennas VS non CP antennas on the birds we currently have available? I have small antennas that have 70 cm & 144 Mhz in the same plane on one boom. Do you think it is necessary to go to the\n> time and expense to get a CP antenna (70 CM/144 Mhz) of either on the same boom or even more expense of a separate 70 CM CP antenna and a 144 Mhz CP separated on a longer boom? Thanks in advance…. \n> Jim\n> WA5QAP\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions expressed\n> are solely those of the author, and do not reflect the official views of AMSAT-NA.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n> \n> \n\n", "attachments": [] }