uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K4BIZ callsign genealogy

Currently held by WHITE, TED A

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 K4BIZ's current licensee, walking backwards.

  1. KN4JIBcancelled· E
    WHITE, TED ATNgranted 2018-02-02cancelled 2018-05-18

Successor callsigns

Callsigns held now by people who previously held K4BIZ.

No current licensee on record previously held this callsign.