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

KG9CS callsign genealogy

Currently held by RIBISH, WILLIAM L

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 KG9CS's current licensee, walking backwards.

  1. N9WTBactive· E
    BAILEY, WILLIAM TILgranted 2024-06-18
  2. KB9UUWcancelled· T
    BAILEY, WILLIAM TILgranted 1999-06-03cancelled 2004-06-19

Successor callsigns

Callsigns held now by people who previously held KG9CS.

  1. W9LRactive· E
    RIBISH, WILLIAM LWIgranted 2020-03-12
← Back to KG9CS License history →