Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1TJS callsign genealogy
Currently held by SULLIVAN, THOMAS J
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 K1TJS's current licensee, walking backwards.
- SULLIVAN, THOMAS JMAgranted 1997-04-16cancelled 2000-06-02
Successor callsigns
Callsigns held now by people who previously held K1TJS.
No current licensee on record previously held this callsign.