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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/4CEDALRLMLHY44NV563ERNGNAMYP42AG/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "CABsMmtT1uPtB8SmJPgZLqqHmedejnWThRd3n5CH1PAszz_3ayg@mail.gmail.com",
    "message_id_hash": "4CEDALRLMLHY44NV563ERNGNAMYP42AG",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/LZ3FYCY22NAHIMP3FFQJLTVUVRNDELJS/?format=api",
    "sender": {
        "address": "johnnykludt (a) gmail.com",
        "mailman_id": "1052971820fa4c30a2a6e76a33ee243f",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/1052971820fa4c30a2a6e76a33ee243f/emails/?format=api"
    },
    "sender_name": "John Kludt",
    "subject": "Re: [amsat-bb] Icom 9700 1.2gig (23cm) Mode",
    "date": "2020-02-28T02:15:49Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/LZ3FYCY22NAHIMP3FFQJLTVUVRNDELJS/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
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        "status": "neutral"
    },
    "content": "Sloan,\n\nThe other thing I would suggest is using either LMR600 or even better\nhardline.  The calculated loss of 50 feet of LMR 400 at 1.2G is 2.3 dB by\none online calculator.  Assuming you get your SWR down into the 1.2 range,\nyou will get about 4.5 watts to the antenna.  May be okay depending on what\nyou are doing.  I always worry when I spend half my money on heating up the\ncoax.\n\nI used my 9700 in the January VHF contest on 1296 with no problem.  The\nantennas where a pair of Directive Systems 45 element loopers fed with 7/8\"\nhardline.  Way overkill for satellites if that is what you are going to use\nyour station for and the direct answer to your question is the 9700 worked\nfine.\n\nAgree on the need the get an antenna analyzer on the system if you can.\nThe other thing while you are at it is to TDR your cables. We have traced\nmore problems to bad connectors than I care to admit.  Anymore when things\nare strange that is where we start.  A quick check might be to put your\ndummy load on the end of the coax instead of the antenna and see what the\nSWR is.\n\nHope that helps\n\nJohn\n\nOn Thu, Feb 27, 2020 at 7:48 PM Sloan Davis via AMSAT-BB <[email protected]>\nwrote:\n\n> Has anyone experienced any malfunction in transmitting on their Icom 9700\n> on the 1.2 gig (L-Band Mode)? My SWR’s are registering 3+ and I’ve changed\n> antennas twice with direct connection/ connectors using N adapters. I’m\n> using LMR 400 coaxial (50 foot) run. The power coming out of the radio is 8\n> watts via dummy load/meter. The antenna is from M2 and requires no tuning.\n>\n> Not sure what else I can do?\n>\n> Sloan (KN4GQB\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions\n> expressed\n> are solely those of the author, and do not reflect the official views of\n> AMSAT-NA.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb\n>\n",
    "attachments": []
}