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

K6TWG callsign genealogy

Currently held by GONDER, THOMAS W

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 K6TWG's current licensee, walking backwards.

  1. KI7UMZcancelled· E
    Glenn, TravisAZgranted 2018-02-22cancelled 2020-11-14

Successor callsigns

Callsigns held now by people who previously held K6TWG.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6TWG, oldest first.

  • WATSTEIN, JACK I CA
    1992-09-01 → cancelled 2004-09-02
  • GONDER, THOMAS W CA
    2007-08-17 → cancelled 2019-08-20
  • Glenn, Travis HI
    2020-11-14 active