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  • [SSDN] First Ever Contact on 12 Meters: Homebrew, QRP, SSB, DX (Video)

    From SSDN via rec.radio.amateur.moderate@21:1/5 to All on Wed Mar 23 16:10:23 2022
    XPost: rec.radio.amateur.moderated, uk.radio.amateur, free.uk.amateur-radio

    SolderSmoke Daily News

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    First Ever Contact on 12 Meters: Homebrew, QRP, SSB, DX (Video)

    Posted: 23 Mar 2022 02:53 AM PDT http://soldersmoke.blogspot.com/2022/03/first-ever-contact-on-12-meters.html

    I've recently finished most of the circuitry on the 17-12 meter dual band
    SSB transceiver. I have had contacts with it on 17 meters, but until
    yesterday morning (March 22, 2022) I had not had any contacts on 12
    meters. This morning I talked to Paul EA5JZ in Valencia, Spain. I was
    running the 17-12 rig barefoot at about 5 watts with the final being one RD06HHT FET. The antenna was my 75 meter

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    Receiver Dynamics -- How Good is my Receiver?

    Posted: 22 Mar 2022 04:20 AM PDT http://soldersmoke.blogspot.com/2022/03/receiver-dynamics-how-good-is-my.html

    OK , so I've finished building my new 17-12 Dual Band SSB Transceiver.  I
    am now testing it out on both bands.   A big question I have is this: how good is my receiver?   Did I get the gain distribution right?   Is it generating too much noise?   Are any of the stages too vulnerable to distortion in the presence of large signals?  These kinds of questions are
    at the heart of receiver design. 

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