Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CMA callsign genealogy
Currently held by OBERMEIER, CARL J
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 K7CMA's current licensee, walking backwards.
- OBERMEIER, CARL JWAgranted 2003-10-27cancelled 2004-06-11
Successor callsigns
Callsigns held now by people who previously held K7CMA.
No current licensee on record previously held this callsign.