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  • QRPGuys CW keyer

    Although a Begali or Bencher (now Vibroplex) paddle was on my Christmas list, Santa must have felt that I wasn’t a good as I could have been. However, all was not lost. I did manage to snag a keyer kit from QRPGuys.com. I enjoy building electronic kits, especially ones that can be assembled in a…


  • Monitor transmitter quality using a RF tap

    The uBitX is a popular multi-band QRP transceiver. Preparing to assemble my own 40m uBitX, I wanted a means to monitor the RF output to confirm that any harmonics and spurs are at levels that meets FCC requirements. I have a MFJ-260C 300 watt dummy load and adding a RF tap that my RF Explorer,…


  • The ELF Network: The untold story

    The ELF Network: The untold story Copyright (c) 2021 by Ralph Iden, All rights reserved. Author’s note: In the late 1960’s, the U.S. Navy proposed Project Sanguine that would use extremely low frequencies (70-80 Hz) for communication. It was an ambitious project requiring a gigantic antenna covering 40% of the state of Wisconsin. The project…


  • My Dream DXpedition

    My Dream DXpedition as told to Ralph, WB9ICFCopyright (c) 2020 by Ralph Iden, All rights reserved. Part 1 I have been looking forward to this trip for a long time. By all accounts, this year has been one for the books. At work, things are always hectic, especially leading up to the holidays. But with…