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

NG7D callsign genealogy

Currently held by CHRISTOPHER, JOHN P

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 NG7D's current licensee, walking backwards.

  1. KD7LUAcancelled· E
    HEDELIUS, KIRKUTgranted 1999-04-28cancelled 2008-04-18
  2. KD7FFHcancelled· G
    HEDELIUS, KIRKUTgranted 1999-04-28cancelled 2001-02-05

Successor callsigns

Callsigns held now by people who previously held NG7D.

  1. WK7Bactive· E
    Duffield, Gary WAZgranted 2026-01-16

All historical holders

Every license row we've seen with the callsign NG7D, oldest first.

  • CHRISTOPHER, JOHN P CA
    1997-07-24 → cancelled 2006-02-09
  • Duffield, Gary W AZ
    2006-03-03 → cancelled 2006-03-24
  • HEDELIUS, KIRK R UT
    2018-02-06 active
← Back to NG7D License history →