Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE4VRM callsign genealogy
Currently held by Martin, Winborn 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 KE4VRM's current licensee, walking backwards.
- Martin, Winborn JTNgranted 2019-11-26cancelled 2019-12-14
Successor callsigns
Callsigns held now by people who previously held KE4VRM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4VRM, oldest first.
- MARTIN, WINBORN J TN2004-11-19 → cancelled 2017-02-16
- Martin, Winborn J TN2019-12-14 active