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

K5NTX callsign genealogy

Currently held by GERKE, JAMES F

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 K5NTX's current licensee, walking backwards.

  1. KS5Factive· E
    KNOX, FRANK STXgranted 2017-06-08
  2. K5FSKcancelled· E
    KNOX, FRANK STXgranted 2005-05-07cancelled 2007-08-29
  3. KE5ENFcancelled· T
    KNOX, FRANK STXgranted 2005-04-18cancelled 2005-05-07

Successor callsigns

Callsigns held now by people who previously held K5NTX.

  1. K5QLcancelled· E
    GERKE, JAMES FTXgranted 2000-06-17cancelled 2006-01-10

All historical holders

Every license row we've seen with the callsign K5NTX, oldest first.

  • GERKE, JAMES F TX
    1997-09-17 → cancelled 2000-06-17
  • North Texas Radio Group TX
    2022-10-12 active
← Back to K5NTX License history →