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

KI5TDU callsign genealogy

Currently held by KUHLMANN, JAMES D

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 KI5TDU's current licensee, walking backwards.

  1. KE5GKYcancelled· T
    KUHLMANN, JAMES DTXgranted 2015-05-19cancelled 2021-12-30
  2. KB3FLRcancelled· T
    KUHLMANN, JAMES DTXgranted 2003-05-23cancelled 2005-11-08
  3. N0XWKcancelled· T
    KUHLMANN, JAMES DIAgranted 1993-07-20cancelled 2000-09-20

Successor callsigns

Callsigns held now by people who previously held KI5TDU.

No current licensee on record previously held this callsign.