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

KZ4MS callsign genealogy

Currently held by Escalona, George 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 KZ4MS's current licensee, walking backwards.

  1. KQ4CXEcancelled· E
    Escalona, George ASCgranted 2018-09-25cancelled 2024-10-25
  2. K4AKMactive· G
    STOCK JR, THOMAS BFLgranted 2024-11-26
  3. K4RZZcancelled· G
    STOCK JR, THOMAS BFLgranted 2024-11-08cancelled 2024-11-26
  4. KJ4RZZcancelled· G
    STOCK JR, THOMAS BFLgranted 2020-02-08cancelled 2024-11-08

Successor callsigns

Callsigns held now by people who previously held KZ4MS.

  1. WE4UTactive· E
    Escalona, George ASCgranted 2024-11-16
← Back to KZ4MS License history →