Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4SRC callsign genealogy
Currently held by RRPA - PACE RANGE
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 KO4SRC's current licensee, walking backwards.
- KN4UWJcancelledRRPA - PACE RANGEFLgranted 2019-06-03cancelled 2019-06-22
Successor callsigns
Callsigns held now by people who previously held KO4SRC.
No current licensee on record previously held this callsign.