Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5WTH callsign genealogy
Currently held by CUNNINGHAM, WILLIAM C
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 K5WTH's current licensee, walking backwards.
- CUNNINGHAM, WILLIAM CTXgranted 2014-04-16cancelled 2018-03-30
Successor callsigns
Callsigns held now by people who previously held K5WTH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5WTH, oldest first.
- Harris, William T AR2005-03-02 → cancelled 2017-03-03
- CUNNINGHAM, WILLIAM C TX2018-03-30 active