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

K4WMS callsign genealogy

Currently held by SMITH, WILLIAM M

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 K4WMS's current licensee, walking backwards.

  1. K2WSactive· E
    DAVIS, ALAN MNYgranted 2021-06-17
  2. WA2URTcancelled· E
    DAVIS, ALAN MNYgranted 1997-06-10cancelled 2001-08-28

Successor callsigns

Callsigns held now by people who previously held K4WMS.

No current licensee on record previously held this callsign.

← Back to K4WMS License history →