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

NK1L callsign genealogy

Currently held by BEIHOLD, FREDERICK W

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 NK1L's current licensee, walking backwards.

  1. AF4VEcancelled· E
    Jansen, Philip RFLgranted 2003-11-04cancelled 2013-02-20
  2. KU4EHcancelled· A
    JANSEN, PHILIP RFLgranted 1997-03-20cancelled 2000-05-26
  3. KE4HXO
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held NK1L.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NK1L, oldest first.

  • BEIHOLD, FREDERICK W MA
    2000-11-03 → cancelled 2012-11-28
  • Jansen, Philip R VA
    2023-01-05 active
← Back to NK1L License history →