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Once Upon a California Hilltop
The first documented Amateur Radio repeater in regular operation was AM, not. FM. It received weak 2 meter AM sig- nals and retransmitted them at high power. Learn More
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American Radio Relay League - ARRL
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More
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QEXfiles
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More
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A Tube-Based Bench Supply for Tube Projects
The unit meets my original design goals. Page 3. Reprinted with permission from August 2014 QST ARRL, the national association for Amateur Radio®. Learn More
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FREQ-Mite— A Programmable Morse Code Frequency Readout
The PIC micro- controller family lends itself beautifully to a wide variety of Amateur Radio projects, and the temptation to modify that readout design for ... Learn More
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CTU Presents
The 1921 Transatlantic Tests. Progenitors of Modern Topband Dxing and Contesting. Page 2. EVERYDAY ENGINEERING MAGAZINE. Sept 1920 Issue Announces the First ... Learn More
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2012-2016 Extra Class Question Pool
E4C Receiver performance characteristics, phase noise, capture effect, noise floor, ... Regenerative detection. D. Exponential addition. ~~. E8C10 (A). What ... Learn More
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Index for 2009 QST Page 1 Index to 2009 QST 75, 50 and 25 Years ...
Amateur Radio World (Keane). Introducing IARU President-Elect Tim Ellam,. VE6SH/G4HUA: Apr, 94. Meet IARU Vice President Ole Garpestad, LA2RR: Jun,. Learn More
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ARRL Letter
Dec 1, 2016 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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Study Guide for Exam Questions
This version of the Question Pool has been rearranged to follow the topics as presented in the ARRL General Class License Manual, 6th Edition. Learn More
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