Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9CEM callsign genealogy
Currently held by Mohr, Charles E
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 K9CEM's current licensee, walking backwards.
- Mohr, Charles ECAgranted 2003-12-09cancelled 2009-11-20
Successor callsigns
Callsigns held now by people who previously held K9CEM.
No current licensee on record previously held this callsign.