Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4NUN callsign genealogy
Currently held by OTT SR, VINCENT C
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 WD4NUN's current licensee, walking backwards.
- KG4WVJcancelledBERKELEY COUNTY EMERGENCY AMATEUR RADIO SERVICESCgranted 2003-01-15cancelled 2003-02-05
Successor callsigns
Callsigns held now by people who previously held WD4NUN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD4NUN, oldest first.
- OTT SR, VINCENT C SC1996-12-06 → cancelled 2002-11-19
- BERKELEY COUNTY AMATEUR RADIO EMERGENCY SERVICE SC2024-08-29 active