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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/SK4ZUS4Q2EDSCDW4VZ4LOLOPJKK5VIAB/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "SK4ZUS4Q2EDSCDW4VZ4LOLOPJKK5VIAB",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/DBYDOTT6HVTE6ESDE37NMQJ6UVFI2SS6/?format=api",
    "sender": {
        "address": "mspencer12345 (a) yahoo.ca",
        "mailman_id": "e7d077d2d61c4ef8ac37e08ed13b9690",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/e7d077d2d61c4ef8ac37e08ed13b9690/emails/?format=api"
    },
    "sender_name": "Mark Spencer",
    "subject": "[amsat-bb] Re: Preamp advice, pse",
    "date": "2008-11-04T01:09:48Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/DBYDOTT6HVTE6ESDE37NMQJ6UVFI2SS6/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "In your application the third order intercept point is probably more important than gain or noise figure.     If there is to much gain you can always add an attenuator to the output.  \n \nDepending on the quality of the radio you are using a pre amp may or not help in your application.\n \nThat said I've been pleased with the UHF ARR gasfet preamps and if I was looking for a VHF one I'd look at ARR as well.\n \nGood luck\n \nMark,\nVE7AFZ \n\n--- On Mon, 11/3/08, ANTHONY JAPHA <[email protected]> wrote:\n\nFrom: ANTHONY JAPHA <[email protected]>\nSubject: [amsat-bb] Preamp advice, pse\nTo: [email protected]\nReceived: Monday, November 3, 2008, 6:45 PM\n\nBird Lovers,\nPse let me have advice on which of the following ARR 2 mtr preamps I should\nget: P144VDA: 1.0db nf, 15 db gain; or P144VDG: 0.5db nf, 24db gain.\n\nThe preamp will be used primarily for AO-7.  I operate only portable in a high\nnoise environment here in Manhattan.  I doubt the nf difference is at all\nmeaningful in my use.  The large difference in gain between the 2 preamps may\nnot be impt. either, that is the real question.  My XCVR is the FT-817.  Another\n817 is used to transmit, running abt 15-20 watts into a small amp. with an Arrow\nsplit between 2 booms on 2 tripods only abt. 1 ft. from each other.\n\nSo what's the verdict?\n\nTnx and 73,\nTony, N2UN\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\n      __________________________________________________________________\nInstant Messaging, free SMS, sharing photos and more... Try the new Yahoo! Canada Messenger at http://ca.beta.messenger.yahoo.com/\n",
    "attachments": []
}