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

WO9G callsign genealogy

Currently held by FANCHER, MARK R

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 WO9G's current licensee, walking backwards.

  1. KB9REUcancelled· E
    SCHWAB, ALAN RINgranted 2017-04-25cancelled 2020-04-04

Successor callsigns

Callsigns held now by people who previously held WO9G.

  1. K9LJactive· E
    KELTER, LEONARD JWIgranted 2026-08-08
  2. WW4MFcancelled· E
    FANCHER, MARK RKYgranted 2001-09-08cancelled 2001-10-02

All historical holders

Every license row we've seen with the callsign WO9G, oldest first.

  • FANCHER, MARK R IN
    1999-12-10 → cancelled 2001-09-08
  • Sucilla, John C IL
    2014-04-22 → cancelled 2018-01-12
  • SCHWAB, ALAN R IN
    2020-04-04 active