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Silent Key callsign harvesting
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K7AQ (since 1987)
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Maidenhead grid

EL09sk

56 active licensees across 28 ZIP codes centered in this square. Each dot is a ZIP code, sized by licensee count.

ZIP codes

ZIPCityHams
78265San Antonio, TX7
78205San Antonio, TX6
78269San Antonio, TX6
78202San Antonio, TX5
78215San Antonio, TX5
78246San Antonio, TX5
78268San Antonio, TX4
78208San Antonio, TX3
78278San Antonio, TX3
78283San Antonio, TX3
78270San Antonio, TX2
78280San Antonio, TX2
78241San Antonio, TX1
78279San Antonio, TX1
78284San Antonio, TX1
78288San Antonio, TX1
78291San Antonio, TX1
78206San Antonio, TX0
78285San Antonio, TX0
78289San Antonio, TX0
78292San Antonio, TX0
78293San Antonio, TX0
78294San Antonio, TX0
78295San Antonio, TX0
78296San Antonio, TX0
78297San Antonio, TX0
78298San Antonio, TX0
78299San Antonio, TX0