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

KO9K callsign genealogy

Currently held by Nash, Frank G

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 KO9K's current licensee, walking backwards.

  1. KI6WSKcancelled· E
    Nash, Frank GCAgranted 2006-01-03cancelled 2009-06-13
  2. KI6BXScancelled· G
    Nash, Frank GCAgranted 2006-01-03cancelled 2009-03-13

Successor callsigns

Callsigns held now by people who previously held KO9K.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KO9K, oldest first.

  • KEPLER, ROBERT W IN
    1997-03-05 → cancelled 2009-03-06
  • Nash, Frank G CA
    2019-04-12 active
← Back to KO9K License history →