Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7CBM callsign genealogy
Currently held by MOGENSEN, CHARLES B
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 W7CBM's current licensee, walking backwards.
- MOGENSEN, CHARLES BUTgranted 2000-12-06cancelled 2004-09-28
Successor callsigns
Callsigns held now by people who previously held W7CBM.
No current licensee on record previously held this callsign.