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

AF4WC callsign genealogy

Currently held by Switzer, Don R

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 AF4WC's current licensee, walking backwards.

  1. KU4BFcancelled· A
    SWITZER, DON RALgranted 1997-01-29cancelled 2000-06-02
  2. KE4ZQT
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held AF4WC.

  1. WM4Hactive· E
    Switzer, Don RALgranted 2020-06-09
← Back to AF4WC License history →