Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4FUD callsign genealogy
Currently held by TABOR IV, WILLIAM D
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 K4FUD's current licensee, walking backwards.
- TABOR IV, WILLIAM DVAgranted 2014-06-03cancelled 2014-06-21
Successor callsigns
Callsigns held now by people who previously held K4FUD.
No current licensee on record previously held this callsign.