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

WK7B callsign genealogy

Currently held by Duffield, Gary W

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 WK7B's current licensee, walking backwards.

  1. NG7Dactive· E
    HEDELIUS, KIRK RUTgranted 2018-02-06
  2. KD7LUAcancelled· E
    HEDELIUS, KIRKUTgranted 1999-04-28cancelled 2008-04-18
  3. KD7FFHcancelled· G
    HEDELIUS, KIRKUTgranted 1999-04-28cancelled 2001-02-05

Successor callsigns

Callsigns held now by people who previously held WK7B.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WK7B, oldest first.

  • ROGERS, WILLIAM A AZ
    1997-12-19 → cancelled 2000-07-04
  • Duffield, Gary W AZ
    2026-01-16 active
← Back to WK7B License history →