John Crockett, W3KH, of Columbia, South Carolina, died on October 12. An ARRL Life Member, he was 69. Licensed in 1963, Crockett was the developer of and project manager for the Southeastern Repeater Association (SERA) Universal Coordination System, as well as project manager for the entire SCHEART system, analog VHF and UHF linked repeaters, and, most recently, the Digital Mobile Radio linked ...
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