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

KF7LX callsign genealogy

Currently held by THOMPSEN, TODD R

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 KF7LX's current licensee, walking backwards.

  1. W6TAOactive
    WO RADIO CLUBWAgranted 2016-08-12
  2. KI7FRBcancelled
    WO RADIO CLUBWAgranted 2016-07-12cancelled 2016-08-12

Successor callsigns

Callsigns held now by people who previously held KF7LX.

  1. W7TAOactive· E
    THOMPSEN, TODD RWAgranted 2022-04-07
  2. W6TAOcancelled· A
    THOMPSEN, TODD RWAgranted 2009-08-14cancelled 2010-02-09

All historical holders

Every license row we've seen with the callsign KF7LX, oldest first.

  • THOMPSEN, TODD R WA
    2003-04-15 → cancelled 2009-08-14
  • THOMPSEN, TODD R WA
    2010-02-09 → cancelled 2012-07-03