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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AD7IO callsign genealogy

Currently held by BROWN, FRANKLYN N

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by AD7IO's current licensee, walking backwards.

  1. KB7OSHcancelled· E
    Brown, Franklyn NORgranted 2002-01-28cancelled 2006-05-01

Successor callsigns

Callsigns held now by people who previously held AD7IO.

No current licensee on record previously held this callsign.