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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/HNMF3ZCOE525S7A5JJTACXRUBAZB6N6G/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "C5DDE122547E483BA51CFF3E1CBB96F5@billpc",
    "message_id_hash": "HNMF3ZCOE525S7A5JJTACXRUBAZB6N6G",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/RCAGDKOAZBIMQQAYQMYPSBII3ZYDXTXR/?format=api",
    "sender": {
        "address": "gillie (a) pa.net",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Bill Gillenwater",
    "subject": "[amsat-bb] Re: Yaesu 5500 Rotor Problem(Update)",
    "date": "2011-01-28T19:02:01Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/VF4J5UWJOOOJF4RIKLECAFFBOEM2NNY3/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Alan,\n\nI did all of the swaps and checks and eliminated several possibilities. \nRotors seemed OK, cables OK. Took control cover off and checked a few \nvoltages, wiggled a few things. Put it back together and it works. Must be a \nloose ground or connection somewhere. Seems to be working fine now. Thanks \nall who responded. Not sure but seems like something loose in the control \nbox.\n\n73 Bill K3SV\n\n----- Original Message ----- \nFrom: \"Alan P. Biddle\" <[email protected]>\nTo: \"'Bill Gillenwater'\" <[email protected]>; \"'AmsatBBS'\" <[email protected]>\nSent: Friday, January 28, 2011 9:51 AM\nSubject: [amsat-bb] Re: Yaesu 5500 Rotor Problem\n\n\n> Bill,\n>\n> Start by checking the connections in the shack at the controller.  If they\n> are good, then disconnect lines 1, 2, and 3 on the elevation side and \n> check\n> the _cables_ with an ohm meter.  You should read 500 ohms between 1 and 3,\n> and something intermediate between 1 and 2, and between 2 and 3.  If the\n> antenna is parked, one of them will be close to 0 ohms, and the other \n> almost\n> 500 ohms, so it is better to point the antenna at 45 degrees or so.  You \n> can\n> see a clear difference, and eliminate a shorted or open line.  If this\n> checks good, then the problem is inside the controller.\n>\n> If you don't, then you either have a bad connection in the cable or\n> connector at the rotator, or the reference potentiometer is bad in the\n> rotator.  The easiest way to check this is to swap the connectors at the\n> rotators.  The systems are electrically identical.  If the problem follows\n> the connectors, there is a problem in the cable or connector.  If not, it \n> is\n> in the rotator.\n>\n> Fixing the rotator pot is messy but straight forward, requiring only\n> mechanical skills, and there have been several reports on how to do that.\n> Fixing the controller depends on what is wrong.  In either case, Yaesu \n> will\n> repair them for a \"modest\" fee.\n>\n> Let us know what you find.\n>\n> Alan\n> WA4SCA\n>\n>\n> -----Original Message-----\n> From: [email protected] [mailto:[email protected]] On\n> Behalf Of Bill Gillenwater\n> Sent: Friday, January 28, 2011 8:21 AM\n> To: AmsatBBS\n> Subject: [amsat-bb] Yaesu 5500 Rotor Problem\n>\n> The meter for elevation on the Yaesu 5500 is not working. Any idea what\n> might be wrong? Are there places to have them fixed if I can't shoot the\n> bug? Thanks. Bill K3SV\n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n>\n>\n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb \n\n",
    "attachments": []
}