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

KF3DX callsign genealogy

Currently held by Harris, 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 KF3DX's current licensee, walking backwards.

  1. N3THBcancelled· A
    FINK, JARED LPAgranted 2014-07-30cancelled 2016-02-13

Successor callsigns

Callsigns held now by people who previously held KF3DX.

  1. KB3JFactive· A
    FINK, JARED LPAgranted 2021-04-06
  2. NN7TTactive· E
    Harris, George JIDgranted 2018-08-29

All historical holders

Every license row we've seen with the callsign KF3DX, oldest first.

  • Harris, George J ID
    1999-12-14 → cancelled 2008-11-07
  • FINK, JARED L PA
    2016-02-13 → cancelled 2021-04-06