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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/W57D6NFXPO6A5PRWR26V4OA5OTCN5VEO/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "W57D6NFXPO6A5PRWR26V4OA5OTCN5VEO",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/4XPGJAHYJLIWQBYS4I44GN4RGPDOKLZR/?format=api",
    "sender": {
        "address": "dquagliana (a) aol.com",
        "mailman_id": "75c9beaffd1d4a0cb28236652097bbb0",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/75c9beaffd1d4a0cb28236652097bbb0/emails/?format=api"
    },
    "sender_name": "Douglas Quagliana",
    "subject": "[amsat-bb] Re: KIT",
    "date": "2011-03-05T17:30:51Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/4XPGJAHYJLIWQBYS4I44GN4RGPDOKLZR/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Hi Kevin,\n\nyou wrote:\n>I know there is a kit out there for a receiver and or a SSB converter. \n>2-meter/70cm SSB receiver. I heard there was an article in QST so it \n>must exist.\n\n   You might be thinking of the KK7B receivers which were in QST magazine in the early 1990s. \nThese receivers included the R1 and R2 phasing receivers.  According to the articles,\nthese will work up to 500 MHz with the appropriate local oscillator and phase shift networks.\n\nThe R1 is described in the August 92 QST \"High Performance Direct Conversion Receiver\"\nwhich you can read at\n\nhttp://www.arrl.org/files/file/Technology/tis/info/pdf/9208019.pdf\n\nThe R2 is described in the January 93 QST article \"High Performance Single Signal Direct\nConversion Receivers\" which you can read at\n\nhttp://www.arrl.org/files/file/Technology/pdf/t9301032.pdf\n\nYou will also want to read the May 1993 QST which contains his article \"Single-Conversion Microwave\nSSB/CW Transceivers\".  This article includes the schematic for a very simple 144 MHz local oscillator\ncomprised of a basically a crystal, a 74HC04, a MAV11 and some filtering components.  This article\nalso contains the interconnect diagram for connecting the local oscillator, receiver and transmitter\nif you want to make a complete transceiver. (If you go this route, double check that the TOKO part\nnumbers are still the same.)\n\nAnd, there's also \"A Multimode Phasing Exciter for 1 to 500 MHz\" in the April 1993 QST.  \n\nSome of these articles also appeared in the ARRL publication \"QRP Power\" First edition chapters\n3 and 4. \n\nKits or at least circuit boards are available from Kanga US for SOME of the above circuits. You can \nexamine Kanga's current offerings at\n\nhttp://www.kangaus.com/receivers.htm\n\n   There's also the miniR2 and the R2pro (although I'm not sure if these go up to 70cm or not).\nThe R2pro paper is at\n  \nhttp://www.kangaus.com/R2Pro%20files/Original%20paper%20with%20figures.pdf\n\n    You might also consider building (or buying) a 2m or 70cm down-converter and using that\nwith a 10-meter receiver.\n\n  I hope these references are helpful. Good luck!\n\nSee you on the birds,\nDouglas KA2UPW/5\n\nDisclaimers: These really are not beginner level kits.  If you've never soldered a kit together, \nthen you'll want to get some assistance for these. I have no relationship with Kanga. \n\n-----Original Message-----\nFrom: Kevin Deane <[email protected]>\nTo: [email protected]\nSent: Fri, Mar 4, 2011 9:50 pm\nSubject: [amsat-bb] KIT\n\nIs there another forum, because obviously everyone here just buys everything and \nmaybe have forgotten what this hobby is all about!\n\nI know there is a kit out there for a receiver and or a SSB converter. \n2-meter/70cm SSB receiver. I heard there was an article in QST so it must exist.\n\nI am young, enthusiastic, and have lots of time, any help would be great. :)\nKevin\nKF7MYK                    \n\n",
    "attachments": []
}