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

K6FK callsign genealogy

Currently held by DENHAM, JOHN S

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 K6FK's current licensee, walking backwards.

  1. K6MSIcancelled· E
    Canfield, ChristopherCAgranted 2021-02-23cancelled 2022-06-03
  2. KN6MSIcancelled· E
    Canfield, ChristopherCAgranted 2020-12-28cancelled 2021-02-23

Successor callsigns

Callsigns held now by people who previously held K6FK.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6FK, oldest first.

  • DENHAM, JOHN S VI
    1987-09-22 → cancelled 1999-09-23
  • Brown, Mary J HI
    2010-05-15 → cancelled 2022-05-17
  • Canfield, Christopher CA
    2022-06-03 active
← Back to K6FK License history →