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

WC9X callsign genealogy

Currently held by Peters, Gerald W

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 WC9X's current licensee, walking backwards.

  1. AB9WCcancelled· E
    Peters, Gerald WINgranted 2010-02-25cancelled 2011-01-14
  2. KC9RMSactive· T
    Stuemke, Richard MILgranted 2024-03-12
  3. KD9SBWcancelled· T
    Stuemke, Richard MILgranted 2021-03-16cancelled 2024-03-12

Successor callsigns

Callsigns held now by people who previously held WC9X.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WC9X, oldest first.

  • KIEFER, ROGER K IN
    1998-05-19 → cancelled 2010-05-20
  • Peters, Gerald W IN
    2020-10-22 active
← Back to WC9X License history →