Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6RM callsign genealogy
Currently held by FOX, MARTIN
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 K6RM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K6RM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6RM, oldest first.
- FOX, MARTIN CA1999-02-12 → cancelled 2004-02-17
- PFEIL, BARRY O NC2026-04-21 active