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

AB6BO callsign genealogy

Currently held by BOWER, GERALD S

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 AB6BO's current licensee, walking backwards.

  1. AF6HNcancelled· E
    Bower, DavidCAgranted 2008-02-06cancelled 2009-10-16

Successor callsigns

Callsigns held now by people who previously held AB6BO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AB6BO, oldest first.

  • BOWER, GERALD S CA
    2001-02-07 → cancelled 2007-06-25
  • Bower, David S CA
    2019-09-24 active