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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/KAHDZFWDIHM7ENLKHIQ35624TYZOVEHG/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "AB8C20E3B540419AB0A59C892991E5B4@WA4SCA",
    "message_id_hash": "KAHDZFWDIHM7ENLKHIQ35624TYZOVEHG",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/TUN6J3I7ZIABJ2OD73OYEHJYHKEJRJ3I/?format=api",
    "sender": {
        "address": "APBIDDLE (a) UNITED.NET",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Alan P. Biddle",
    "subject": "[amsat-bb] Re: Help with Yaesu g5500",
    "date": "2009-11-23T01:19:26Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/NN4P74R2DCTSIFZRJFDLRHON6PDB3OOE/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Mike,\n\nI had a slightly related problem which turned out to be the phase shift\ncapacitor in the rotator.  You can see it on the schematic.  The rotator\nwould work fine with no load, and would generate more torque than you could\nstop with your hand.  However, it would not move my array, which is\nadmittedly overloaded.  There was definitely a thermal effect here, in that\non a cool day it would work a little, but not on a hot one.  Replacing the\ncapacitor solved the problem, but it was messy.  If they just plugged it in\nbut did not test it under a real load, they MIGHT have missed a problem.  My\nexperience with Yaesu/Vertex techs is that they are either excellent, or\nincompetent, with little in between.  \n\nIf you can find a good capacitor, you can bridge the lines at the control\nbox end in parallel with the rotator unit.  If it works, or works better,\nthat is a good indication of a bad internal capacitor.\n\nAlan\nWA4SCA\n\n\n\n-----Original Message-----\nFrom: [email protected] [mailto:[email protected]] On\nBehalf Of Michael J. Wolthuis\nSent: 22 November, 2009 19:07\nTo: Elan Portnoy\nCc: [email protected]\nSubject: [amsat-bb] Re: Help with Yaesu g5500\n\nNot the switch unfortunately.  The same problem occurs when controlled \nby computer from Uni_trac 2000.  Work about 25% of the time.\n\nMike\nkb8zgl\n\n\nElan Portnoy wrote:\n> Spray-out the switch with cleaner?\n>\n>\n> --- On Fri, 11/20/09, [email protected] <[email protected]> wrote:\n>\n>   \n>> From: [email protected] <[email protected]>\n>> Subject: [amsat-bb]  Help with Yaesu g5500\n>> To: [email protected]\n>> Date: Friday, November 20, 2009, 11:12 PM\n>> I bought a used Yaesu g5500 and it\n>> has a strange problem.  The AZ works perfect, but when I\n>> push the EL button it seems to work (ie. Move up or down)\n>> about 1 out of 4 tries.  I can regularly duplicate the\n>> issue where I can't get EL to change.  If I wait 30mins and\n>> come back then it sometimes works right away.\n>>\n>> The rotor itself was into Yaesu and they said it was 100%\n>> perfectly fine.  I have tried swapping the AZ/EL cables\n>> around and no difference.\n>>\n>> It has to be a controller issue I think.  Any ideas before\n>> I box it up and ship it to Yaesu to check?\n>>\n>> When it works, it works fine and typically for 5-10mins\n>> straight, but then suddenly it will not change again.\n>>\n>> Mike\n>> kb8zgl\n>> _______________________________________________\n>> Sent via [email protected].\n>> Opinions expressed are those of the author.\n>> Not an AMSAT-NA member? Join now to support the amateur\n>> satellite program!\n>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n>>\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>   \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\n",
    "attachments": []
}