Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4GRO callsign genealogy
Currently held by NICELY, DOYLE C
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 K4GRO's current licensee, walking backwards.
- Owens, George RFLgranted 2019-09-04cancelled 2022-08-23
Successor callsigns
Callsigns held now by people who previously held K4GRO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GRO, oldest first.
- NICELY, DOYLE C AL1988-08-02 → cancelled 2000-08-03
- Owens, George R FL2022-08-23 active