Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO3T callsign genealogy
Currently held by KLINE, BRADLEY 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 KO3T's current licensee, walking backwards.
- KLINE, BRADLEY EPAgranted 2011-02-16cancelled 2011-03-12
Successor callsigns
Callsigns held now by people who previously held KO3T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO3T, oldest first.
- SILL, GUSTAVE A PA1997-11-11 → cancelled 2009-11-13
- KLINE, BRADLEY E PA2021-03-12 active