Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4VIB callsign genealogy
Currently held by HARBOUR JR, 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 K4VIB's current licensee, walking backwards.
- HARBOUR JR, WILLIAM TALgranted 1993-07-27cancelled 2002-08-10
Successor callsigns
Callsigns held now by people who previously held K4VIB.
No current licensee on record previously held this callsign.