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Radio Propagation


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D-Region Absorption
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Created by PA4RM

Former Colorado Section Manager Tim Armagost, WB0TUB, of Colorado, died on February 4 after a lengthy illness. An ARRL Life Member, he was 75. Licensed in 1976, he was very active in the Colorado Amateur Radio community, holding appointments as Arapahoe County Emergency Coordinator, Colorado East Slope District Emergency Coordinator, and Section Emergency Coordinator.

He served as Colorado’s Sec...

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