Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4ZX callsign genealogy
Currently held by RAPP JR, MARK A
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 AG4ZX's current licensee, walking backwards.
- Rapp Jr, Mark AVAgranted 1998-08-26cancelled 2003-06-18
Successor callsigns
Callsigns held now by people who previously held AG4ZX.
No current licensee on record previously held this callsign.