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

KF7GND callsign genealogy

Currently held by Darling, Charles M

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 KF7GND's current licensee, walking backwards.

  1. KJ7FLJcancelled· T
    Darling, Charles MORgranted 2019-04-05cancelled 2019-05-03

Successor callsigns

Callsigns held now by people who previously held KF7GND.

  1. N7GNDactive· E
    Darling, Charles MORgranted 2019-11-30
  2. WL7KJexpired· T
    Spence, Thomas KORgranted 2010-01-29cancelled 2022-02-01

All historical holders

Every license row we've seen with the callsign KF7GND, oldest first.

  • Spence, Thomas K OR
    2009-12-10 → cancelled 2010-01-29
  • Darling, Charles M OR
    2019-05-03 → cancelled 2019-11-30