Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0FMR callsign genealogy
Currently held by RICHTER, MARK R
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 K0FMR's current licensee, walking backwards.
- RICHTER, MARK RCOgranted 2019-04-15cancelled 2019-05-07
Successor callsigns
Callsigns held now by people who previously held K0FMR.
No current licensee on record previously held this callsign.