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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W4WMS 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 W4WMS's current licensee, walking backwards.

  1. K8WMSactive· T
    Sandborn, William MMIgranted 2022-08-16
  2. KD8ONDcancelled· T
    Sandborn, William MMIgranted 2010-07-01cancelled 2012-11-02

Successor callsigns

Callsigns held now by people who previously held W4WMS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4WMS, oldest first.

  • WILLIAMS, WENDEL K TN
    1998-02-26 → cancelled 2010-02-27
  • Smith, William M SC
    2019-12-27 active