Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KCV callsign genealogy
Currently held by ZIMMER, MARK 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 W4KCV's current licensee, walking backwards.
- ZIMMER, MARK EFLgranted 2000-11-28cancelled 2006-04-11
Successor callsigns
Callsigns held now by people who previously held W4KCV.
No current licensee on record previously held this callsign.