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

W1TWR callsign genealogy

Currently held by Cook, Gary 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 W1TWR's current licensee, walking backwards.

  1. W4LGCcancelled· E
    Cook, Gary AALgranted 2022-02-01cancelled 2025-01-25
  2. KK4GSRcancelled· E
    Cook, Gary AALgranted 2012-02-13cancelled 2012-04-06

Successor callsigns

Callsigns held now by people who previously held W1TWR.

No current licensee on record previously held this callsign.

← Back to W1TWR License history →