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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/QXWDVU7OPUN3CAOCIGPV5YCN4ZML6YTY/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "120820080337.15146.493C9697000BD7A600003B2A22165499760B9D04C999@comcast.net",
    "message_id_hash": "QXWDVU7OPUN3CAOCIGPV5YCN4ZML6YTY",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/QXWDVU7OPUN3CAOCIGPV5YCN4ZML6YTY/?format=api",
    "sender": {
        "address": "w7lrd (a) comcast.net",
        "mailman_id": "717aa2a241704c7497e9abd8c983f6b7",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/717aa2a241704c7497e9abd8c983f6b7/emails/?format=api"
    },
    "sender_name": "[email protected]",
    "subject": "[amsat-bb] Re: AO-7 Mode A Antenna?",
    "date": "2008-12-08T03:37:59Z",
    "parent": null,
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Hello Sebastian- Back in the days of the RS satellites I used a horizontal one wave length loop.  I even hung a reflector 6 feet underneath it and I had a two element quad looking up.  I tried dipoles, random wires.  Currently I use my HF four element quad, BUT it receives better off the back at 29.45Mhz.  The antenna is designed for about 28.4 and at 29.45 the reflector acts like a director.  This same thing might be true with yagi type HF beams.  A quarter wave ground plane would work good a low elevations.  Good luck with your efforts, I'll look for you on AO-7.\n73 Bob W7LRD\nSeattle\n\n--\n\"if this were easy, everyone would be doing it\"\n\n-------------- Original message -------------- \nFrom: Sebastian <[email protected]> \n\n> I have a Yaesu FT-847 which is dedicated for satellite work, so I \n> don't have any HF antennas connected to it. \n> \n> I'd like to know from those on the group who are (were) using AO-7 \n> Mode A (10 meter receive), what type of antenna you are using? \n> \n> I really don't want to get a directional antenna for several reasons. \n> Also, is it possible to receive Mode A without the use of an external \n> preamp? \n> \n> 73 de W4AS \n> Sebastian \n> \n> _______________________________________________ \n> Sent via [email protected]. Opinions expressed are those of the author. \n> Not an AMSAT-NA member? Join now to support the amateur satellite program! \n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb \n",
    "attachments": []
}