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

W1RMZ callsign genealogy

Currently held by ZAPOTOCKY JR, Darren P

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 W1RMZ's current licensee, walking backwards.

  1. WA1AMactive· E
    Krieger, Brian ECTgranted 2025-11-25
  2. KA1MQMcancelled· E
    Krieger, Brian ECTgranted 2015-01-06cancelled 2016-01-15

Successor callsigns

Callsigns held now by people who previously held W1RMZ.

  1. W1WAVactive· E
    ZAPOTOCKY JR, Darren PCTgranted 2021-06-25
← Back to W1RMZ License history →