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

K9ODW callsign genealogy

Currently held by CAMPBELL, MARK A

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 K9ODW's current licensee, walking backwards.

  1. N9KDWcancelled· G
    CAMPBELL, MARK AILgranted 2020-11-04cancelled 2021-01-09

Successor callsigns

Callsigns held now by people who previously held K9ODW.

  1. W1THCactive· G
    CAMPBELL, MARK AILgranted 2023-08-29