Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7TJS callsign genealogy
Currently held by Spencer, Timothy 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 KK7TJS's current licensee, walking backwards.
- Spencer, Timothy JWAgranted 2013-04-09cancelled 2013-08-24
Successor callsigns
Callsigns held now by people who previously held KK7TJS.
No current licensee on record previously held this callsign.