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

W4AMX callsign genealogy

Currently held by MITCHELL, WILLIAM

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 W4AMX's current licensee, walking backwards.

  1. KO4KOactive· E
    Henderson, Richard BKYgranted 2020-01-10
  2. KO4AGIcancelled· E
    Henderson, Richard BKYgranted 2019-11-22cancelled 2020-01-10

Successor callsigns

Callsigns held now by people who previously held W4AMX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4AMX, oldest first.

  • KONTER, PHILIP GA
    1997-01-29 → cancelled 2009-01-30
  • MITCHELL, WILLIAM AL
    2024-08-30 active