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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/BUTYPNBVBMFWAUCS6UCJO7YQYZRG77UN/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "BUTYPNBVBMFWAUCS6UCJO7YQYZRG77UN",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/7G35IO5AGW754F2Y7366GZUWMTU6VFFS/?format=api",
    "sender": {
        "address": "the2belo (a) msd.biglobe.ne.jp",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "J. Boyd (JR2TTS)",
    "subject": "Re: [amsat-bb] tripod recommendations",
    "date": "2016-01-12T22:34:44Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/7G35IO5AGW754F2Y7366GZUWMTU6VFFS/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "On Tue, 12 Jan 2016 10:29:16 -0600, \"Tom Schuessler\" <[email protected]> wrote:\n\n> Zach,\n> \n> Any good sturdy tripod will do.  The trick however is to get the arrow to\n> stay put when you tilt to the side to allow for polarity change. \n\nI came up with an alternative solution that may work for some people: a\nPVC pipe mount that allows you to \"roll\" the Arrow to allow for polarity\nchange (not a full 90 degrees, but it will get you in the neighborhood).\n\nThe photo below was when I had it mounted on my camera tripod with a\nball mount; I've since moved to a more conventional pitch/yaw type.\n\nhttp://i.imgur.com/D0XwWlA.jpg\n\nThe homebrew mount is made out of 25mm PVC pipe -- two 90° corners, two\nT joints, and enough straight pipe to fit. The T joints I found were,\nluckily, exactly the correct length to fit over the boom and stay clear\nof all the antenna elements. The pipe is also of a sufficient diameter\nto allow the entire yagi to move laterally within it.\n\nI drilled a hole in the bottom of the straight pipe of the same size as\nthe standard tripod shoe screw. I then \"forced\" a bolt of the same size\ninto the hole to \"thread\" it -- after this the tripod shoe fit snug onto\nthe pipe. (This is a temporary solution; later I'm thinking of a more\npermanent mount made out of a pipe clamp.)\n\nEt voila, a jury-rigged 3-axis mount. Using a standard pitch/yaw tripod,\nI can also twist the yagi to change polarity without having to worry\nthat the tripod will bear extra weight to one side. Keeping the tripod\nshoe about 5° tilted left in my case will allow the elements to be\nperpendicular to the ground.\n\nHope this helps someone!\n\n73\n\n-- \nJ. Boyd, JR2TTS/NI3B\[email protected]\nhttp://www.flickr.com/photos/the2belo/\nhttp://www.qrz.com/db/JR2TTS\nTwitter: @Minus2_C\n\n",
    "attachments": []
}