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

W9TFC callsign genealogy

Currently held by KETZLER, JOHN 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 W9TFC's current licensee, walking backwards.

  1. K8TFCcancelled· E
    KETZLER, JOHN HWIgranted 1996-07-17cancelled 2001-05-04
  2. WO9Qactive· E
    Wegner, John JWIgranted 2019-11-26
  3. KC9CJUcancelled· E
    Wegner, John JWIgranted 2002-09-10cancelled 2010-02-23

Successor callsigns

Callsigns held now by people who previously held W9TFC.

No current licensee on record previously held this callsign.

← Back to W9TFC License history →