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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/4TEY2RBNZMCJBB3RKJNT4D4ZD3PUGXSS/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "4TEY2RBNZMCJBB3RKJNT4D4ZD3PUGXSS",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/4TEY2RBNZMCJBB3RKJNT4D4ZD3PUGXSS/",
    "sender": {
        "address": "k6yk (a) juno.com",
        "mailman_id": "9dd495eb5a5b4400ad5e4ad998068d9f",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/9dd495eb5a5b4400ad5e4ad998068d9f/emails/"
    },
    "sender_name": "John W Lee",
    "subject": "[amsat-bb] Re: Preamp for a Mobile Application",
    "date": "2008-03-31T17:42:48Z",
    "parent": null,
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Guys, \n\nWell,  Those  SP432VDG's  work REAL GOOD for \nmobile operation.  My mobile has a quarter wave whip \n(6.5 inches long) for receiving on  UHF.   Those low-noise\npreamps DO help a lot. And if you like to use a small beam to \nreceive with, then the preamp will help that, too.  I mean you\nget a LOUD signal that you can actually copy thru the whole \npass  instead of \"in and out\" and lots of \"no copy\" time.  And\nof course the noise level is still zero or near it. \n\nThis is not just an opinion, this is tried and true. I have logged \nthousands of contacts on the FM birds while mobile and portable\nwith pretty minimal rigs. \n\n\n73, \nJohn K6YK\nOn Mon, 31 Mar 2008 07:01:03 -0700 (PDT) Bill Dzurilla\n<[email protected]> writes:\n> Kent,\n> \n> Never tried it, but I doubt a preamp would be worth\n> the expense if mounted at the rig in a mobil set-up. \n> I assume the feedline is only 10' or so.  The preamp\n> helps most when the feedline is lengthy, especially if\n> cheap coax is used.\n> \n> If you want to try a switching preamp, the ARR\n> SP432VDG is a good one, see\n> http://www.advancedreceiver.com/page7.html\n> \n> For about the same price, you could buy an Arrow\n> handheld yagi antenna, which would substantially\n> improve both reception and transmission.  See\n> http://www.arrowantennas.com/146-437.html , although\n> if the rig is fixed inside your car if might not be\n> convenient to hold the Arrow, unless your mike cord is\n> long enough so you can stand outside the car.\n> \n> If you are limited to operating from the car, try\n> driving to a hilltop or somewhere with a clear view\n> from horizon to horizon.\n> \n> 73, Bill NZ5N \n> \n> \n>       \n>\n_________________________________________________________________________\n___________\n> Like movies? Here's a limited-time offer: Blockbuster Total Access \n> for one month at no cost. \n> http://tc.deals.yahoo.com/tc/blockbuster/text4.com\n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the \n> author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite \n> program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n> \n> \n",
    "attachments": []
}