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

K4EEO callsign genealogy

Currently held by Ridgeway, George A

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 K4EEO's current licensee, walking backwards.

  1. KC2HOVcancelled· G
    Ridgeway, George AFLgranted 2020-12-04cancelled 2026-02-10

Successor callsigns

Callsigns held now by people who previously held K4EEO.

  1. KD4SIXcancelled· T
    Bordenkircher, TomSCgranted 2022-04-26cancelled 2023-01-14
  2. K0HELexpired· G
    HELD, JOHN WALgranted 2007-06-01cancelled 2019-08-22

All historical holders

Every license row we've seen with the callsign K4EEO, oldest first.

  • Bordenkircher, Tom A SC
    2020-07-24 → cancelled 2022-04-26
  • Ridgeway, George A FL
    2026-02-10 active
  • HELD, JOHN W
    → cancelled 1997-08-21