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

K6GWJ callsign genealogy

Currently held by Jillson Mr, Gary

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 K6GWJ's current licensee, walking backwards.

  1. KM6YSFcancelled· T
    Jillson, GaryCAgranted 2018-12-19cancelled 2019-04-16

Successor callsigns

Callsigns held now by people who previously held K6GWJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6GWJ, oldest first.

  • HANTKE, WILLIAM F CA
    1994-09-09 → cancelled 2006-09-12
  • Jillson Mr, Gary CA
    2019-04-16 active