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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/YGJ6DLJRURNMBAIMRGVABVVNMFEWARY2/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "YGJ6DLJRURNMBAIMRGVABVVNMFEWARY2",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/7DR6JYG7J6Q4SAMJHSBIW5DN3NQ362BU/?format=api",
    "sender": {
        "address": "py2rn (a) arrl.net",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Eduardo PY2RN",
    "subject": "Re: [amsat-bb] Fiberglass Poles for Antenna Mounting?",
    "date": "2016-03-25T14:46:35Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/NQNMLHBIVUOYC44OOSVAXEJ7VENWVIS5/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Yes, I confirm, no noticeable influence here using aluminum tube cross boom with the vhf and uhf yagis fixed in X.\nAlthough this may affect if the antenna will be used to other objectives such as terrestrial DX or EME, not because the aluminum cross boom but because of the X position.\n73\nEdPY2RN\n\n      From: Jeff <[email protected]>\n To: [email protected] \n Sent: Friday, March 25, 2016 11:19 AM\n Subject: Re: [amsat-bb] Fiberglass Poles for Antenna Mounting?\n   \nYears ago there was a test report on the differences between metal and \nplastic crossbooms. It was shown that there is no measurable difference \nbetween the two if the antennas are installed with elements 45 degrees from \nthe crossboom. Here is one of the discussions from 2002...\n\nhttp://www.amsat.org/amsat/archive/amsat-bb/200206/msg00896.html\n\nI had to drive about 160 miles roundtrip to purchase a  2 inch diameter 12 \nfoot solid fiberglass  boom that I used to build my Oscar class station in \n1997.  Now I use the metal crossbooms supplied with my antenna's in my two \nsat stations. If it really made a  measurable difference wouldn't Cushcraft \n(AOP-1), and M2( Leo pack) used a non metallic boom?\nAnyway there is plenty of talk about this in the archives, and if your going \nto use fiberglass I would go with the solid rod as it will last much longer \nthen a tube. I still  have mine stored on the ground in NJ, if anyone want's \none, it's free.....\n\n73 Jeff kb2m\n\n-----Original Message----- \nFrom: Scott\nSent: Friday, March 25, 2016 1:52 AM\nTo: [email protected]\nSubject: [amsat-bb] Fiberglass Poles for Antenna Mounting?\n\nIn reading the descriptions of various directional antenna installations, I \noften see a statement that the last section of mast between the rotator and \nantenna is non-metallic (most often fiberglass, I believe).\n\nWhat is the best source for a suitable length of fiberglass pole of the \ncorrect size?\n\nI would not be surprised if the source is outside of the radio world... \nperhaps a round fiberglass pole intended for as a tool handle, for example. \nJust a guess.\n\nAppreciate any suggestions.\n\nThanks!\n\n-Scott, K4KDR\nMontpelier, VA  USA\n_______________________________________________\nSent via [email protected]. AMSAT-NA makes this open forum available\nto all interested persons worldwide without requiring membership. Opinions \nexpressed\nare solely those of the author, and do not reflect the official views of \nAMSAT-NA.\nNot an AMSAT-NA member? Join now to support the amateur satellite program!\nSubscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb \n\n_______________________________________________\nSent via [email protected]. AMSAT-NA makes this open forum available\nto all interested persons worldwide without requiring membership. Opinions expressed\nare solely those of the author, and do not reflect the official views of AMSAT-NA.\nNot an AMSAT-NA member? Join now to support the amateur satellite program!\nSubscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n\n\n  \n",
    "attachments": []
}