Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4WCO callsign genealogy
Currently held by O'STEEN JR, 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 K4WCO's current licensee, walking backwards.
- O'STEEN JR, WILLIAM CFLgranted 1993-08-24cancelled 2003-07-25
Successor callsigns
Callsigns held now by people who previously held K4WCO.
No current licensee on record previously held this callsign.