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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W1BMW callsign genealogy

Currently held by CHESBRO, ALBERT L

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 W1BMW's current licensee, walking backwards.

  1. KJ7TUAcancelled· T
    Wylie, Brian MAZgranted 2021-01-25cancelled 2021-02-12

Successor callsigns

Callsigns held now by people who previously held W1BMW.

  1. N5NDBcancelled· A
    ZIMMERMAN, MARK DFLgranted 2018-09-11cancelled 2018-12-01

All historical holders

Every license row we've seen with the callsign W1BMW, oldest first.

  • CHESBRO, ALBERT L MA
    1989-01-17 → cancelled 2001-01-18
  • ZIMMERMAN, MARK D FL
    2013-01-25 → cancelled 2018-09-11
  • Wylie, Brian M AZ
    2021-02-12 active
← Back to W1BMW License history →