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

K6GX callsign genealogy

Currently held by Fenwick, Robert B

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 K6GX's current licensee, walking backwards.

  1. KW6Wcancelled· E
    McGuffin, JamesCAgranted 2019-10-16cancelled 2026-06-13
  2. KN6EFQcancelled· E
    McGuffin, JamesCAgranted 2019-09-10cancelled 2019-10-16

Successor callsigns

Callsigns held now by people who previously held K6GX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6GX, oldest first.

  • Fenwick, Robert B CA
    2014-02-25 → cancelled 2026-05-27
  • McGuffin, James CA
    2026-06-13 active