Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4RL callsign genealogy
Currently held by Pratt III, Frank G
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 KZ4RL's current licensee, walking backwards.
- Pratt III, Frank GGAgranted 2015-08-07cancelled 2025-03-19
Successor callsigns
Callsigns held now by people who previously held KZ4RL.
No current licensee on record previously held this callsign.