uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AB9QM callsign genealogy

Currently held by Piva, William 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 AB9QM's current licensee, walking backwards.

  1. AB9QLcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2008-02-08
  2. AB9QKcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2008-02-07
  3. AB9QIcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2008-02-06
  4. N9WJPactive· E
    Piva, William JILgranted 2024-08-16
  5. KB9WSDcancelled· E
    Piva, William JILgranted 2024-07-23cancelled 2024-08-16

Successor callsigns

Callsigns held now by people who previously held AB9QM.

  1. AB9SAcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2008-08-26
← Back to AB9QM License history →