For amateur radio operators, the quest for the perfect antenna never seems to end ... Not only was he able to open up repeaters up to 90 km away, but he was getting good signal reports to boot.
and this dual-feed helical “ice cream cone” antenna could really help. Until recently, the dream of an amateur radio repeater in geosynchronous orbit remained out of reach, but that changed ...
ham radio operators across Northern California provided a critical communication link to embattled first responders by ...
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