Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4OOZ callsign genealogy
Currently held by SPLITTSTOSER, GERALD E
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 K4OOZ's current licensee, walking backwards.
- Ford, Brandon PNCgranted 2021-07-16cancelled 2021-08-06
Successor callsigns
Callsigns held now by people who previously held K4OOZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4OOZ, oldest first.
- SPLITTSTOSER, GERALD E AL1988-05-17 → cancelled 2000-05-18
- Ford, Brandon P NC2021-08-06 active