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

KG4C callsign genealogy

Currently held by THROPP SR, CHARLES H

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 KG4C's current licensee, walking backwards.

  1. KK4DOcancelled· E
    BAKER SR, RONALD LKYgranted 1998-11-16cancelled 2000-10-24

Successor callsigns

Callsigns held now by people who previously held KG4C.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KG4C, oldest first.

  • THROPP SR, CHARLES H FL
    1988-08-16 → cancelled 2000-08-17
  • BAKER SR, RONALD L KY
    2020-08-12 active