Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1RJM callsign genealogy
Currently held by Marks Iv, Richard J
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 K1RJM's current licensee, walking backwards.
- Marks IV, Richard JCTgranted 2004-04-20cancelled 2004-05-18
Successor callsigns
Callsigns held now by people who previously held K1RJM.
No current licensee on record previously held this callsign.