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

AF9FA callsign genealogy

Currently held by Klotzbach, Pete L

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 AF9FA's current licensee, walking backwards.

  1. K1OTZcancelled· E
    Klotzbach, Pete LWIgranted 2016-06-03cancelled 2017-12-05
  2. KD9GFVcancelled· G
    Klotzbach, Pete LWIgranted 2016-05-13cancelled 2016-06-03

Successor callsigns

Callsigns held now by people who previously held AF9FA.

  1. K9PQcancelled· E
    RIVERA JR, DOMINGO MWIgranted 2002-07-09cancelled 2003-02-11

All historical holders

Every license row we've seen with the callsign AF9FA, oldest first.

  • RIVERA JR, DOMINGO M WI
    1998-11-24 → cancelled 2002-07-09
  • Klotzbach, Pete L WI
    2017-12-05 active
← Back to AF9FA License history →