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

KA9GPM callsign genealogy

Currently held by MARKER, TERRY 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 KA9GPM's current licensee, walking backwards.

  1. KE9AXHcancelled· G
    MARKER, TERRY LINgranted 2024-06-26cancelled 2024-07-16

Successor callsigns

Callsigns held now by people who previously held KA9GPM.

  1. AD9GNcancelled· E
    MARKER, TERRY LINgranted 2024-07-16cancelled 2026-05-09

All historical holders

Every license row we've seen with the callsign KA9GPM, oldest first.

  • MARKER, TERRY L IN
    1995-09-07 → cancelled 2007-09-08
  • MARKER, TERRY L IN
    2024-07-16 → cancelled 2025-03-31