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

AB0UQ callsign genealogy

Currently held by Thompson, Richie J

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 AB0UQ's current licensee, walking backwards.

  1. KD7COBcancelled· E
    Thompson, Richie JIAgranted 1998-08-18cancelled 2002-04-02

Successor callsigns

Callsigns held now by people who previously held AB0UQ.

  1. K0HUactive· E
    Thompson, Richie JIAgranted 2022-11-24