Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BOE callsign genealogy
Currently held by WATSON, 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 K4BOE's current licensee, walking backwards.
- WATSON, WILLIAM CNCgranted 2019-09-03cancelled 2019-09-21
Successor callsigns
Callsigns held now by people who previously held K4BOE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BOE, oldest first.
- GREEN, JOHN R AL2007-05-14 → cancelled 2019-08-13
- WATSON, WILLIAM C NC2019-09-21 active