Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RLM callsign genealogy
Currently held by MCGILL III, ROBERT L
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 K4RLM's current licensee, walking backwards.
- MCGILL III, ROBERT LSCgranted 1995-05-08cancelled 2002-08-23
Successor callsigns
Callsigns held now by people who previously held K4RLM.
No current licensee on record previously held this callsign.