Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4ZP callsign genealogy
Currently held by Kingsbury, Ryan W
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 AG4ZP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AG4ZP.
No current licensee on record previously held this callsign.