On the Cover – August 2023

A grand slam for SLAMS? Harry Haeusser, WAØCNS, of the St. Louis Area Microwave Society, or SLAMS, operated the ARRL June VHF Contest from EM48 in High Ridge, Missouri, using a new multiband microwave station built around the Analog Devices ADALM-PLUTO software defined radio and a Raspberry Pi computer. His fellow club members, Herbert Ullman, AF4JF, and CQ Learning Curve editor Ron Ochu, KOØZ, were about 40 miles away in EM49, so they could all work each other for points and multipliers, along with anyone else they could hear on the VHF+ bands. The ADALM-PLUTO is described as an “active learning module for students, hobbyists and educators” wanting to learn more about UHF and microwave communications. The unit covers 325 MHz to 3.8 GHz, but if you look closely at…

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CQ Amateur Radio (Digital) - 1 Issue, August 2023

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