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

K1GTO callsign genealogy

Currently held by HEIN, JAMES B

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 K1GTO's current licensee, walking backwards.

  1. KB8MNScancelled· G
    HEIN, JAMES BMAgranted 1998-10-30cancelled 2005-07-09

Successor callsigns

Callsigns held now by people who previously held K1GTO.

No current licensee on record previously held this callsign.