uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W1ZOA callsign genealogy

Currently held by MITKOWSKI, GERALD 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 W1ZOA's current licensee, walking backwards.

  1. WA2ZOAcancelled· A
    MITKOWSKI, GERALD RCTgranted 2020-06-13cancelled 2021-01-30

Successor callsigns

Callsigns held now by people who previously held W1ZOA.

  1. WA2ZOAcancelled· A
    MITKOWSKI, GERALD RCTgranted 2020-06-13cancelled 2021-01-30

All historical holders

Every license row we've seen with the callsign W1ZOA, oldest first.

  • WATSON, RICHARD A NH
    2005-08-31 → cancelled 2007-10-31
  • MITKOWSKI, GERALD R CT
    2018-07-20 → cancelled 2020-06-13
  • MITKOWSKI, GERALD R CT
    2021-01-30 active
← Back to W1ZOA License history →