Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7CM callsign genealogy
Currently held by MENDENHALL, CHARLES A
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 N7CM's current licensee, walking backwards.
- JOHNSON, CLAIRE MORgranted 1998-12-10cancelled 2000-02-08
Successor callsigns
Callsigns held now by people who previously held N7CM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7CM, oldest first.
- MENDENHALL, CHARLES A AZ1987-10-27 → cancelled 1999-10-28
- JOHNSON, CLAIRE M OR2019-12-30 active