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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/3GOVKYPJ6JB7T5BRJAZO4GZ2PFE35HKO/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "1209342831-1279639933-cardhu_decombobulator_blackberry.rim.net-174244394-@bda006.bisx.prod.on.blackberry",
    "message_id_hash": "3GOVKYPJ6JB7T5BRJAZO4GZ2PFE35HKO",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/HQIXCTSVFTG2SHM4KEIBW56TZZ45QJCK/",
    "sender": {
        "address": "w9en (a) arrl.net",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "John Belstner",
    "subject": "[amsat-bb] Re: pole mounting az-el system",
    "date": "2010-07-20T15:32:12Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/HQIXCTSVFTG2SHM4KEIBW56TZZ45QJCK/",
    "children": [
        "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/5LGG3WBWVJA7CEYSHK43WPOJZ4UJYCSU/"
    ],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Hi Scott,\n\nThe 10' galvanized pole trick is exactly what I did in my back yard.  I used a hand post hole digger to go down 32\" (until I hit a big rock) though I had planned to go down 36\".  The pole was cemented into the hole but I did not pour cement into the pipe.\n\nThe G-5500 sits on top with a 6' cross boom and a 7x7 432 on one side and a 5x5 146 on the other. \n\n73\nJohn \n\nSent from my Verizon Wireless BlackBerry\n\n-----Original Message-----\nFrom: Scott Townley <[email protected]>\nSender: [email protected]\nDate: Mon, 19 Jul 2010 22:51:05 \nTo: <[email protected]>\nSubject: [amsat-bb]  pole mounting az-el system\n\nI was planning on pole-mounting an az-el system:\n > KLM CP yagis (the shorter ones)\n > TekSharp 1.2m dish with dual-band patch feed\n > 8' fiberglass boom\n > G-5500 az-el rotator with mast brackets.\n\nThe G-5500 can accept a 2-1/2\" mast.  And the 2m KLM is about 13' long so I \nneed to get it up at least 7' in the air.  So I was thinking of using a \npiece of electrical conduit.  Not EMT (the thin-walled stuff), but rather \nIMC, which is thicker walled (0.095\" vs. 0.065\") and readily available at \nhome improvement stores.  2\" trade size is 2.36\" od so it will fit the mast \nbrackets on the rotator fine.\nThere is an even thicker electrical conduit GRC which is 0.146\" wall, but \nat twice the price and a trip to Grainger (not out of the question but not \nconvenient either) I can't help but wonder if that's overkill.\n\nThe conduit comes 10' long so I'd put 3' in the ground, say a 12\"x36\" hole, \nfilled with concrete.  Maybe filling the conduit with concrete as well.\n\nI'd appreciate any comments as to the feasibility of doing \nthis...particularly the conduit size and hole size for concrete fill.\n\n\nScott Townley NX7U\nGilbert, AZ  DM43di\nmailto:[email protected]\nhttp://members.cox.net/nx7u \n\n_______________________________________________\nSent via [email protected]. Opinions expressed are those of the author.\nNot an AMSAT-NA member? Join now to support the amateur satellite program!\nSubscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n\n",
    "attachments": []
}