Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0TJF callsign genealogy
Currently held by Frishe Jr, Thomas T
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 K0TJF's current licensee, walking backwards.
- FRISHE JR, THOMAS TGAgranted 2015-11-02cancelled 2015-11-24
Successor callsigns
Callsigns held now by people who previously held K0TJF.
No current licensee on record previously held this callsign.