uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AI7B callsign genealogy

Currently held by THREE RIVERS CONTEST CLUB

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 AI7B's current licensee, walking backwards.

  1. W7CATactive· E
    DETTMER, MICHAEL LWYgranted 2020-11-04
  2. KC7FALactive· T
    BUNCH, BARRY NAZgranted 2026-01-24
  3. KI7BEYcancelled· T
    BUNCH, BARRY NAZgranted 2016-02-18cancelled 2016-03-08

Successor callsigns

Callsigns held now by people who previously held AI7B.

  1. W7GGcancelled· E
    WRUBLE, ROBERT SORgranted 2007-03-24cancelled 2008-11-13
← Back to AI7B License history →