Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4ZV callsign genealogy
Currently held by WOODFIELD, WILLIAM 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 KM4ZV's current licensee, walking backwards.
- KC4HZIno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KM4ZV.
- WOODFIELD, WILLIAM JVAgranted 2020-04-15