Curtis Keyer Chip Developer Jack Curtis, K6KU, SK

The developer of the groundbreaking Curtis Morse keyer chip, John G. “Jack” Curtis, K6KU (ex-W3NSJ), of Granite Bay, California, died on June 4 after a long illness. An ARRL member, he was 87. Growing up in Bradford, Pennsylvania, Curtis became fascinated with the “magic” of Amateur Radio as a youngster, and it eventually would become his career. After receiving a bachelor’s degree in electrical…

Space Station Digital Amateur Radio TV System Transmitter Determined to be Defective

The Amateur Radio on the International Space Station (ARISS) “Ham Video” digital Amateur Radio TV (DATV) transmitter on the International Space Station (ISS) is reported to be defective, with onboard repair not possible. Also known as HamTV, the DATV system stopped working in mid-April, and a subsequent test on June 1 using a second L/S band patch antenna on the Columbus module had failed. ARIS…

Sweden’s SAQ Announces Annual Alexanderson Day VLF Transmission on July 1

Sweden’s World Heritage Grimeton Radio Station SAQ Alexanderson alternator will be on the air on July 1 on 17.2 kHz for its annual Alexanderson Day transmission. Three transmissions are scheduled: Startup/tuning at 0815 UTC, message transmission at 0845 UTC; startup/tuning at 1015 UTC, message transmission at 1045 UTC, and startup/tuning at 1215 UTC, message transmission at 1245 UTC. All three …