July 2022 Meeting: Going Mobile with Allen Wolff, KC7O

Allen Wolff, KC7O, joined us at our July 6 membership meeting to present “Diplexers, Triplexers, and the Low-Profile Mobile.” Using pictures and diagrams of his own mobile installations, Allen described his methods of integrating radios into a modern car to achieve a stealthy, clean interior with low-profile equipment. All of the radios in his cars were cleverly tucked away yet readily usable (unlike in the porcupine of a car pictured above). He illustrated the “old” days and the improvements made as well as the difficulties integrating radios into modern cars including modern battery systems and safely grounding radio equipment. Allen’s installations are possible thanks to diplexers and triplexers along with multiband antennas. He also discussed the difference between diplexers and duplexers.

Allen’s mobile installation as featured in a 1974 issue of QST Magazine.
Allen Wolff, KC7O

Allen has been licensed since 1964 and lived in New York, New Jersey, Indiana, Utah, and has been in California since 1984. He earned his First-Class Radio Telephone License in 1974 and is a retired aerospace electrical engineer. SPARC thanks Allen for another impressive and inspirational talk!

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