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

N9UE callsign genealogy

Currently held by WILLENBROCK, JOHN C

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 N9UE's current licensee, walking backwards.

  1. N9FUEcancelled· E
    NICHOLS, TIMOTHY PILgranted 2023-05-02cancelled 2025-06-10
  2. KA9KNK
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N9UE.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9UE, oldest first.

  • WILLENBROCK, JOHN C IN
    2013-03-29 → cancelled 2025-05-21
  • NICHOLS, TIMOTHY P IL
    2025-06-10 active