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    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/7EJTGOLBK3LRBI7N4MKUIUPMPGNW42VM/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "CAAvuMtKfkzLp9H3dyD+UuGYiAEnR6Cuq6UK9nVmEAGihS2=Q3g@mail.gmail.com",
    "message_id_hash": "7EJTGOLBK3LRBI7N4MKUIUPMPGNW42VM",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/7EJTGOLBK3LRBI7N4MKUIUPMPGNW42VM/",
    "sender": {
        "address": "patkilroy1 (a) gmail.com",
        "mailman_id": "27915df874154e91a6982295e970ef12",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/27915df874154e91a6982295e970ef12/emails/"
    },
    "sender_name": "Pat Kilroy",
    "subject": "[AMSAT-BB] Re: Need advice on circular polarized antennas",
    "date": "2023-12-25T22:56:39Z",
    "parent": null,
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "I HAVE FOUND that *RHCP <=> LHCP switching* is not worth the added\ncomplexity, RF losses, cost, and lack of reliability for most Amateur Radio\napplications.  Exception: If you are running an official ARISS Telebridge\nground station, an AMSAT OSCAR command station or perhaps a Primary SatNOGS\nground station.  My 2 USD cents.  Just sayin'!  DE Pat N8PK-FM19\n\n\nOn Sun, Dec 24, 2023 at 2:20 PM Eduardo PY2RN via AMSAT-BB <\[email protected]> wrote:\n\n> Just make it polarization switchable: vertical / horizontal, simpler and\n> almost same result.\n>\n> 73\n>\n> Merry Christmas to all.\n>\n> Ed  PY2RN\n>\n> On Sunday, December 24, 2023 at 02:08:32 PM GMT-3, Joseph Amato via\n> AMSAT-BB <[email protected]> wrote:\n>\n>\n> I’m looking for some advice on antennas for 2 m/70 cm satellite\n> operation.  Presently, I have home-brew yagis for each band, horizontally\n> polarized.  To eliminate fading due to satellite rotation, I want to\n> replace these antennas with circularly polarized ones.  But the new\n> antennas need to be relatively lightweight, because I have to lug them up\n> on a ladder to mount them, and, well, I’m not as young as I used to be.  I\n> have been considering the WiMo circular polarized antennas (#18010 and\n> 18011), but would first like to hear from people who have experience with\n> them.  I like to build things myself, but the WiMo design looks cleverer\n> than anything I’ve been able to come up with so far.  Any advice?  Thanks!\n>\n> Joe K1MNY\n>\n> -----------------------------------------------------------\n>\n> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions\n> expressed\n> are solely those of the author, and do not reflect the official views of\n> AMSAT-NA.\n> Acceptable Use and Privacy Policies available at\n> https://www.amsat.org/about-amsat/\n>\n> View archives of this mailing list at\n> https://mailman.amsat.org/hyperkitty/list/[email protected]\n> To unsubscribe send an email to amsat-bb-leave(a)amsat.org\n> Manage all of your AMSAT-NA mailing list preferences at\n> https://mailman.amsat.org\n>\n>\n> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>\n> Virus-free.www.avast.com\n> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>\n> <#m_-8443413110256803103_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>\n>\n> -----------------------------------------------------------\n>\n> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions\n> expressed\n> are solely those of the author, and do not reflect the official views of\n> AMSAT-NA.\n> Acceptable Use and Privacy Policies available at\n> https://www.amsat.org/about-amsat/\n>\n> View archives of this mailing list at\n> https://mailman.amsat.org/hyperkitty/list/[email protected]\n> To unsubscribe send an email to amsat-bb-leave(a)amsat.org\n> Manage all of your AMSAT-NA mailing list preferences at\n> https://mailman.amsat.org\n\n\n\n-- \n\n\nPat Kilroy 1\n\n\n",
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