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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/K2KNYK2X5VREDQTT6EXEKRECZC6PKG7X/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "K2KNYK2X5VREDQTT6EXEKRECZC6PKG7X",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/MVVF25AYHXTJ5JYHQPFV52EIUQR5ZOWN/",
    "sender": {
        "address": "rnutter (a) networkref.com",
        "mailman_id": "9d4409219c4248a6be735e65e52a44fc",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/9d4409219c4248a6be735e65e52a44fc/emails/"
    },
    "sender_name": "Ronald Nutter",
    "subject": "[amsat-bb] Re: Best type of coax to use between preamps and antennas",
    "date": "2008-07-01T23:01:53Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/GJR55KUU7ZEGWHB4GWE4KMMDWCATOU4E/",
    "children": [
        "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/EBDE2TI7JBDJ5O4KV7LYMS37WMNJTRNU/"
    ],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "I used the same setup that I have at the house.  I did find one piece of \nsuspect coax once I returned home.  According to my 259B, it had a \nhigher loss for a short run than I would have expected.  There were \nseveral transformers in proximity to where we were located that could \nhave been putting out some noise.  The other satellite op could hear the \nnoise I didnt hear that subsided later in the evening.  The preamps were \nlocated within 10-15 feet of the antennas.\n\nI have ordered replacement LRM400 to use in place of the Mini8/U coax \nthat I was running from the preamps to the antennas.  Will see what happens.\n\nRon\n\nJim Danehy wrote:\n> Ron\n> \n> Did you diagnose what your problem was ? Water in the coax ? Where is  \n> your preamp mounted ? If very near (10 feet) the antenna you can use \n> RG8. If you feel intimidated by N connectors (many folks are), Henry \n> Radio and others sell a two (2) piece N connector that is installed much \n> like a PL 259 which you have probably installed many times. Check out \n> Henry Radio on Ebay. If you need more info on this email me direct. I \n> think they get around $4 a connector. A short run (10 ft) of RG8 at \n> 432mhz or 144mhz is not too prohibited, in my opinion. Or you can have \n> somebody put together a jumper as you have noted. Self reliance provides \n> better quality control in my opinion.\n> \n> Jim W9VNE\n> ----- Original Message ----- From: \"Ronald Nutter\" <[email protected]>\n> To: <[email protected]>\n> Sent: Monday, June 30, 2008 8:49 PM\n> Subject: [amsat-bb] Best type of coax to use between preamps and antennas\n> \n> \n>> After problems I had on Field Day in trying to operate the satellites, \n>> I am looking to upgrade the coax I use between the preamps and the \n>> antennas. I am using 9913FX from the IC-910H and the preamps.  I had \n>> been using RG Mini 8/U for the connection between the preamps and \n>> antennas.  Should I also use 9913FX between the preamps and the \n>> antennas?  The run between the radio and the preamp is 50 ft.  The run \n>> from the preamp to the antennas is about 10 - 15 ft depending on where \n>> I set the antennas up.  I am concerned about how flexible the 9913FX \n>> would be in terms of the antennas rotating back and forth.  I was \n>> planning on ordering the cables pre-made from CableXperts since \n>> working with N connectors isnt my strong point and dont want to worry \n>> about my soldering and having a good connection on both ends of the \n>> cable.\n>>\n>> Any suggestions appreciated.\n>>\n>> Thanks,\n>> Ron\n>> KA4KYI\n>>\n>>\n> \n> \n",
    "attachments": []
}