Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4TJC callsign genealogy
Currently held by CROWL, PETER 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 KO4TJC's current licensee, walking backwards.
- CROWL, PETER EFLgranted 2013-07-12cancelled 2021-09-17
- KB2MAJno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KO4TJC.
No current licensee on record previously held this callsign.