Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KV4RM callsign genealogy
Currently held by MATHEW, RALPH E
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 KV4RM's current licensee, walking backwards.
- MATHEW, RALPH EGAgranted 2013-07-17cancelled 2013-09-26
Successor callsigns
Callsigns held now by people who previously held KV4RM.
No current licensee on record previously held this callsign.