Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4VO callsign genealogy
Currently held by McCorkle, Frank S
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 KZ4VO's current licensee, walking backwards.
- McCorkle, Frank SFLgranted 2022-06-15cancelled 2025-08-04
Successor callsigns
Callsigns held now by people who previously held KZ4VO.
No current licensee on record previously held this callsign.