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

K0KOA callsign genealogy

Currently held by DUNS, JOHN J

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 K0KOA's current licensee, walking backwards.

  1. K6YODcancelled· G
    DUNS, JOHN JCAgranted 2011-11-01cancelled 2018-07-07
  2. KD6YODcancelled· T
    DUNS, JOHN JCAgranted 2003-05-20cancelled 2011-11-01

Successor callsigns

Callsigns held now by people who previously held K0KOA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K0KOA, oldest first.

  • ROWCLIFFE, DANIEL L NV
    2006-03-25 → cancelled 2018-06-19
  • DUNS, JOHN J CA
    2018-07-07 active
← Back to K0KOA License history →