Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KT4GUY callsign genealogy
Currently held by Spencer Jr, Thomas G
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 KT4GUY's current licensee, walking backwards.
- Spencer Jr, Thomas GFLgranted 2015-11-05cancelled 2015-11-24
Successor callsigns
Callsigns held now by people who previously held KT4GUY.
No current licensee on record previously held this callsign.