Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4LA callsign genealogy
Currently held by COLE, JAY S
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 KO4LA's current licensee, walking backwards.
- Harrison, Remington CALgranted 2013-07-16cancelled 2013-08-03
Successor callsigns
Callsigns held now by people who previously held KO4LA.
- COLE, JAY STNgranted 2009-08-19cancelled 2018-12-01
All historical holders
Every license row we've seen with the callsign KO4LA, oldest first.
- COLE, JAY S TN1996-01-26 → cancelled 1999-10-28
- Harrison, Remington C GA2024-07-09 active