Welcome to the W7ZOI Web Site 
            Wes Hayward     Latest Site Update  July 17, 2025      

Menu: Click on a box of interest.
 technical articles including some old ones. Lots of filter info. Some mountain hikes and climbs. Old (and some recent) hikes that included amateur radio. The W7ZOI ham shack, then and now, plus some note on ham friends. Errata for EMRFD and an article here or there.  


(July 15, 2025  -- EMRFD is now available.   Go to ARRL.com to order.)

This is a Classic Reprint Edition, which means that it is  a reprint of the last regular printing (the 3rd) with no additional corrections.  This is NOT a new book edition.  This version is a response to the ARRL members who wrote to the League, having missed earlier printings.   Many thanks to the ARRL staff, especially Mark Derks, KC1RVQ, and Becky Schoenfeld, W1BXY.    The photo above is not the new edition but that of an earlier Classic Reprint.   The Reprint will not have a CD, but much of the information from the earlier edition CDs will be available on the Internet.  The price remains $49.95.


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  email:  You can get in touch with me at [w7zoi][@][arrl.net]          Remove the [brackets] for a valid email address.