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

K9PM callsign genealogy

Currently held by MUELLER, PAUL M

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 K9PM's current licensee, walking backwards.

  1. K4PMactive· E
    WALLACE, RICHARD DSCgranted 2022-04-13
  2. AG4Hactive· E
    ALLEN, MICHAEL GALgranted 2024-01-17
  3. KD4NLPcancelled· E
    ALLEN, MICHAEL GALgranted 2003-11-22cancelled 2004-03-26

Successor callsigns

Callsigns held now by people who previously held K9PM.

  1. K4PMcancelled· E
    MUELLER, PAUL MGAgranted 1996-11-04cancelled 1999-11-23
← Back to K9PM License history →