Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4YV callsign genealogy
Currently held by Prosser, Rhoberta 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 KZ4YV's current licensee, walking backwards.
- Prosser, Rhoberta JGAgranted 2025-11-22cancelled 2026-01-12
Successor callsigns
Callsigns held now by people who previously held KZ4YV.
- Prosser, Rhoberta JGAgranted 2026-07-17