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

KC9MPD callsign genealogy

Currently held by HAIMBAUGH, RUSSELL C

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 KC9MPD's current licensee, walking backwards.

  1. KC9ZMWcancelled· T
    HAIMBAUGH, RUSSELL CINgranted 2013-08-21cancelled 2013-09-10

Successor callsigns

Callsigns held now by people who previously held KC9MPD.

  1. KC9TABactive· T
    Briggs, Terence AWIgranted 2017-10-05

All historical holders

Every license row we've seen with the callsign KC9MPD, oldest first.

  • Briggs, Terence A WI
    2007-12-06 → cancelled 2007-12-27
  • HAIMBAUGH, RUSSELL C IN
    2023-08-15 active