Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0TJS callsign genealogy
Currently held by Simon, Tom
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 K0TJS's current licensee, walking backwards.
- Simon, TomMOgranted 2020-08-25cancelled 2020-09-15
Successor callsigns
Callsigns held now by people who previously held K0TJS.
No current licensee on record previously held this callsign.