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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K9HIO callsign genealogy

Currently held by VAN SANT, CHARLES D

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 K9HIO's current licensee, walking backwards.

  1. K7WLWcancelled· T
    WEST, KENNETH WFLgranted 2024-07-30cancelled 2024-11-15
  2. N4UDEactive· G
    Perschau Jr, Robert CNCgranted 2026-08-18
  3. KA9ARTcancelled· G
    Perschau Jr, Robert CNCgranted 2021-06-23cancelled 2026-08-18
  4. KB9WOXcancelled· G
    Perschau Jr, Robert CILgranted 2000-06-23cancelled 2000-07-14

Successor callsigns

Callsigns held now by people who previously held K9HIO.

  1. KA9NBCactive· E
    VAN SANT, CHARLES DINgranted 2026-09-01
← Back to K9HIO License history →