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

W1TOO callsign genealogy

Currently held by GAAB, GERALD E

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 W1TOO's current licensee, walking backwards.

  1. KC1GEBcancelled· G
    GAAB, GERALD ECTgranted 2016-08-16cancelled 2017-02-28

Successor callsigns

Callsigns held now by people who previously held W1TOO.

No current licensee on record previously held this callsign.