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

K6CNO callsign genealogy

Currently held by Ogzewalla, Charles N

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 K6CNO's current licensee, walking backwards.

  1. KD0FKKcancelled· E
    Ogzewalla, Charles NCOgranted 2008-10-14cancelled 2008-11-14

Successor callsigns

Callsigns held now by people who previously held K6CNO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6CNO, oldest first.

  • PAPE, CLIFFORD F CA
    1987-10-20 → cancelled 1999-10-21
  • Ogzewalla, Charles N CO
    2018-08-22 active