Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4WMR callsign genealogy
Currently held by MC MULLEN, JERRY R
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 K4WMR's current licensee, walking backwards.
- POLLER, JACK LNCgranted 2021-06-08cancelled 2021-07-16
Successor callsigns
Callsigns held now by people who previously held K4WMR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4WMR, oldest first.
- MC MULLEN, JERRY R SC2007-06-12 → cancelled 2019-06-27
- POLLER, JACK L NC2021-07-16 active