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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KC6ROX callsign genealogy

Currently held by BUCKHOFF SR, WILLIAM C

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 KC6ROX's current licensee, walking backwards.

  1. KK6ULNcancelled· E
    Kawahara, CandaceCAgranted 2015-05-29cancelled 2016-05-03

Successor callsigns

Callsigns held now by people who previously held KC6ROX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KC6ROX, oldest first.

  • BUCKHOFF SR, WILLIAM C CA
    1991-02-05 → cancelled 2003-02-06
  • Kawahara, Candace CA
    2026-03-31 active