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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/GHCET4KSGAB6T3EBVVR7O2S32U3RYDLF/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "GHCET4KSGAB6T3EBVVR7O2S32U3RYDLF",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/QMJZWJRVFAXOH2HWOBHV47M6EG7LFTQW/?format=api",
    "sender": {
        "address": "ka3hsw (a) att.net",
        "mailman_id": "afface7d7e8049fda539552165bdde78",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/afface7d7e8049fda539552165bdde78/emails/?format=api"
    },
    "sender_name": "George Henry",
    "subject": "[amsat-bb] Re: Antennas For AO-7 Mode A",
    "date": "2011-10-24T16:40:31Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/QMJZWJRVFAXOH2HWOBHV47M6EG7LFTQW/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "A loop for 10 meters is 8 feet (app. 2.4 meters) on each side - totally \nimpractical for hand-held use.  I have had some success using a 10 meter mobile \nwhip on a mag mount on the car, and even better luck using 2 mobile whips in a \nhorizontal dipole configuration at the top of a 10-foot (3M) mast, rotated by \nhand for the best signal.\n\nIf you wanted to get really creative, you could use 4 whips, crossed at 90 \ndegrees, and add a proper phasing cable between them to make a turnstile, but \nthat's a lot of stuff to lug around with you, and getting really far from your \nobjective of hand-held.\n\nOtherwise, your only option for something remotely hand-holdable for HF is some \ntype of active antenna, such as the MFJ-1020C.\n\n\n\nGeorge, KA3HSW\n\n\n\n\n----- Original Message ----\n> From: B J <[email protected]>\n> To: amsat-bb <[email protected]>\n> Sent: Sun, October 23, 2011 11:07:36 PM\n> Subject: [amsat-bb] Antennas For AO-7 Mode A\n> \n> I'm looking for a suitable antenna that I can use to operate over AO-7  in\n> mode A .  The main requirement that it be hand-held.\n> \n> I've  looked on the Internet and, so far, I haven't found any  off-the-shelf\n> antennas.  I did, however, find several websites that have  instructions for\n> home-brew designs but none were specifically for mode  A.\n> \n> One possibility that occurred to me is to combine 2 different types,  such as\n> an eggbeater for 2 m and a hand-held HF loop for 10 m.  One  drawback that I\n> see for this arrangement is that it might be too big or too  heavy for it to\n> be practical as a hand-held unit.\n> \n> Does anyone know of  a commercially available mode A antenna suitable for\n> hand-held operation or  know of a home-brew design for one?\n> \n> Thank you.\n> \n> 73s\n> \n> Bernhard  VA6BMJ @ DO33FL\n",
    "attachments": []
}