Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4RBM callsign genealogy
Currently held by MC ENTIRE, RONALD 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 K4RBM's current licensee, walking backwards.
- MC ENTIRE, RONALD BGAgranted 1991-07-16cancelled 2000-05-02
Successor callsigns
Callsigns held now by people who previously held K4RBM.
No current licensee on record previously held this callsign.