Radio Waves and Communications Distance
First Steps In Radio Radio Waves and Communications Distance Part 13: It is important to choose the correct amateur band and …
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The Ultimate Transmatch
www.arrl.organd The Ultimate Transmatch BY LEWIS G. MCCOY, *WIICP OME amateurs assume that because they use coaxial feed lines they don't need a Trans- match.
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FSD-218 Relief Emergency · Routine Messages …
www.arrl.orgThe QN signals listed above are special ARRL signals for use in amateur cw nets only. They are not for use in casual amateur conversation. Other meanings that may be used in other services do not apply.
Lightning Protection for the Amateur Radio …
www.arrl.org50 July 2002 also be protected. The method of protection will change, how-ever, since the interface is electronic. Once the peak operating interface voltages are determined, it is relatively straightfor-
A Home-made Ultrasonic Power Line Arc Detector
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Field Day - arrl.org
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Registration Form - American Radio Relay League
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The NorCal Sierra: An 80-15 M CW Transceiver
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A Simple yet Precise Function Generator for the …
www.arrl.orgQEX – May/June 2013 7 important role in the generator. A DDS chip like this one builds the waveform using discrete voltage samples whose amplitudes
A Quick Trainer and Field Resource Guide for the …
www.arrl.orgPage 2 This manual is intended to serve as a quick trainer and reference for amateurs deployed in the field for emergency services work, primarily through the ARRL Amateur Radio Emergency Service (ARES).
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