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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/6GTU62ZXLMNQDJSXP37P6UDTZLAKVZZ2/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "CANq+eyX6eP-usAJdbTGQZK9hz=SJgGmpziHo-w3PHmRnBpGQLw@mail.gmail.com",
    "message_id_hash": "6GTU62ZXLMNQDJSXP37P6UDTZLAKVZZ2",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/HIVUGX6G6DYV23LJ25CHC7ZAA4DQ65ES/",
    "sender": {
        "address": "dave (a) druidnetworks.com",
        "mailman_id": "3b01b396750a47f287ea0c65babd40ea",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/3b01b396750a47f287ea0c65babd40ea/emails/"
    },
    "sender_name": "David Swanson",
    "subject": "Re: [amsat-bb] Arrow modification",
    "date": "2019-01-02T16:01:28Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/2WMU525NFZE6KXCAUJ4G5L4BMI4JZIMU/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Forgot to add - I've also built several 'sleeve driven' designs in my early\ndays, and they only performed at a fraction as well as a proper driven for\neach band. If you're more interested in just straight up ease of\nconstruction without requiring a duplexer or 2 rigs, then it's certainly an\noption. But if you care about hearing the bird < 15° then you'll get\nsuperior performance using a individual band driven design.\n\n-Dave, KG5CCI\n\nOn Wed, Jan 2, 2019 at 9:57 AM David Swanson <[email protected]> wrote:\n\n> I've built cheap yagi's with the 2m/70cm elements on the same plane (\n> http://www.druidnetworks.com/same-plane-cheap-yagi.jpg) and used them to\n> work down to the horizon on all the FM birds - from a clear location of\n> course. Check out the AMSAT facebook page from about a year ago, and my\n> youtube channel for the videos if you're super interested.\n>\n> According to WA5VJB's ubiquitous document (\n> http://www.wa5vjb.com/references/Cheap%20Antennas-LEOs.pdf) the plane\n> alignment shouldn't matter so long as the elements aren't interacting with\n> each other. He's a much smarter cat than me, and after building such gizmos\n> based on his design, I have no reason to believe an arrow built in the same\n> fashion wouldn't also do the trick.\n>\n> -Dave, KG5CCI\n>\n> On Wed, Jan 2, 2019 at 9:37 AM Bill Acito <[email protected]> wrote:\n>\n>> Doug,\n>>\n>> I been thinking about this as well.  One antenna (arrow) for those birds\n>> with antennas at 90 (SO-50), and\n>> another for those birds with them in line. I've been looking at parallel\n>> designs(think \"trident\") e.g. take my elk, use that for 2m, and have a\n>> clip-on parallel spot for a 432 or 1.2G beam.\n>>\n>> Tired of doing the TX-90-degree-twist.\n>>\n>> Bill W1PA\n>>\n>>\n>> _______________________________________________\n>> Sent via [email protected]. AMSAT-NA makes this open forum available\n>> to all interested persons worldwide without requiring membership.\n>> Opinions expressed\n>> are solely those of the author, and do not reflect the official views of\n>> 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",
    "attachments": []
}