Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4WKG callsign genealogy
Currently held by ZIMMERMAN, DAVID 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 K4WKG's current licensee, walking backwards.
- ZIMMERMAN, DAVID CNCgranted 1997-12-31cancelled 2004-08-31
Successor callsigns
Callsigns held now by people who previously held K4WKG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4WKG, oldest first.
- ZIMMERMAN, JOHN L VA1997-09-17 → cancelled 2004-06-25
- ZIMMERMAN, DAVID C NC2025-02-01 active