Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4RMJ callsign genealogy
Currently held by Jennings, Ronald M
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 KR4RMJ's current licensee, walking backwards.
- Jennings, Ronald MTNgranted 2025-04-15cancelled 2025-05-09
Successor callsigns
Callsigns held now by people who previously held KR4RMJ.
No current licensee on record previously held this callsign.