Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WTC callsign genealogy
Currently held by CHRISTIANSON, WILLIAM 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 K4WTC's current licensee, walking backwards.
- CHRISTIANSON, WILLIAM TFLgranted 2013-07-15cancelled 2015-09-15
Successor callsigns
Callsigns held now by people who previously held K4WTC.
No current licensee on record previously held this callsign.