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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/VN5ST22Q367UXWBM3E2QBA6KRDHTLHIC/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "VN5ST22Q367UXWBM3E2QBA6KRDHTLHIC",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/VN5ST22Q367UXWBM3E2QBA6KRDHTLHIC/",
    "sender": {
        "address": "k.alexander (a) rogers.com",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Ken Alexander",
    "subject": "[amsat-bb] Polarization",
    "date": "2016-05-30T23:40:51Z",
    "parent": null,
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "I clipped this from another message because I didn't want to drag the \ndiscussion off course.  It's a question I've been wondering about since \ngetting into this a few short weeks ago.\n\nI've also read (but haven't tried yet) about the trick of rotating\nthe antenna 90 degrees on transmit, once you've established the best\nreceive orientation.\n\n73 de Bill, KG5FQX\n\nSo far, with SO-20 I have rotated my Arrow antenna for best reception of \nthe downlink and don't think I've had too much trouble being heard. At \nthe same time I have wondered whether I should twist the antenna when \ntransmitting to orient the 2m elements to give the same polarization as \nin receive. I don't know if this is a good idea or not, and frankly I \nhave enough trouble remembering calls and grids, tracking the satellite, \nadjusting frequency and switching back to the correct VFO to worry about \none more thing.\n\nI've seen that some commercial OSCAR antennas use circular polarization. \nThe antennas I see in the photos of satellites we work are whips. Is the \npolarization becoming \"circularized\" as it re-enters earth's atmosphere \nor something?\n\nComments and observations would be most welcome!\n\n73,\n\nKen Alexander\nVE3HLS, FN03\n\n",
    "attachments": []
}