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

K4KH callsign genealogy

Currently held by Faatz, George J

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 K4KH's current licensee, walking backwards.

  1. AG4UCcancelled· E
    Ryan, Thomas PFLgranted 2010-01-05cancelled 2010-06-22
  2. KG4GIFcancelled· E
    Ryan, Thomas PFLgranted 2000-02-17cancelled 2002-06-20

Successor callsigns

Callsigns held now by people who previously held K4KH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4KH, oldest first.

  • Faatz, George J FL
    2004-01-27 → cancelled 2008-06-03
  • Ryan, Thomas P FL
    2020-05-22 active
← Back to K4KH License history →