Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7MP callsign genealogy
Currently held by KEY, JOHN S
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 AC7MP's current licensee, walking backwards.
- KEY, JOHN SWAgranted 1998-09-11cancelled 2001-04-02
Successor callsigns
Callsigns held now by people who previously held AC7MP.
No current licensee on record previously held this callsign.