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Silent Key callsign harvesting
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K7AQ (since 1987)
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CM87ut

103 active licensees across 13 ZIP codes centered in this square. Each dot is a ZIP code, sized by licensee count.

ZIP codes

ZIPCityHams
94607Oakland, CA55
94612Oakland, CA31
94662Emeryville, CA7
94604Oakland, CA6
94666Oakland, CA2
94623Oakland, CA1
94661Oakland, CA1
94615Oakland, CA0
94617Oakland, CA0
94624Oakland, CA0
94649Oakland, CA0
94659Oakland, CA0
94660Oakland, CA0