A Small, Lightweight Switch-Mode Power Supply by Ralph J. Crumrine, N0KC

N0KC Wins the January 2017 QST Cover Plaque Award

The winning article for the January 2017 QST Cover Plaque award is “A Small, Lightweight Switch-Mode Power Supply” by Ralph J. Crumrine, N0KC. The QST Cover Plaque Award — given to the author or authors of the most popular article in each issue — is determined by a vote of ARRL members on the QST Cover Plaque Poll web page. Cast a ballot for your favorite article in the February issue today.

Review

Measures The Loss In Coax Connectors and 100 Feet of RG8X by W6LG

January 20, 2018 in: Review No comments

Jim W6LG uses a signal generator and a panadapter to measure the loss in 30 coax connectors at 14 and 52 mhz down to a fraction of a db. You might be surprised at the results. Read more

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  Ham College 44 – General Amateur Radio Exam part 15. Skywaves, MUF, more HF Antennas

  September 01, 2018 No comments
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  Elecraft KX2 upgrade kit by RadioSet-GO

  April 07, 2018 No comments
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  DV4home New Software – DMR / D-Star crossmode, C4FM, Brandmeister, IPCS2 added

  January 30, 2017 No comments
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  DIY How To Build A Solar Powered Radio Communications Go Box- The Ham-O-Can

  October 18, 2016 No comments
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  RFinder HCP1 Hotspot – Hot Chili Peppa! Quad Band Pi-star Hotspot

  October 02, 2020 No comments
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  Working QRP – LDG Z817 Tuner Review

  August 07, 2018 No comments

News

Past Japan Amateur Radio League Vice Chair Hisao Shono, JA1AA, SK

September 06, 2019 in: News No comments

Hisao Shono, JA1AA, died on August 19. He was 100. Shono served two terms as vice chair of the Japan Amateur Radio League. He was licensed in 1938 as J2IB. In 1952, when Amateur Radio was again permitted in Japan, he became the first to be... Read more

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  Ham College 9 – Resistors and Potentiometers

  September 28, 2015 No comments
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  The HAM TV project, a technological success of AMSAT Italia

  October 19, 2015 No comments
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  Local hams take to the airwaves

  August 04, 2015 No comments
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  Carleton Mabee , Biographer of Morse, Dies at 99

  December 26, 2014 No comments
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  Norway Experiences Unexpected Ground Current “Shockwave”

  January 09, 2020 No comments
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  FCC Chairman Recognizes Amateur Radio in Praising those Assisting Puerto Rico

  November 08, 2017 No comments

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