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

N4JEF callsign genealogy

Currently held by Amsbaugh, Jeffry K

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 N4JEF's current licensee, walking backwards.

  1. AJ4OXcancelled· E
    Amsbaugh, Jeffry KFLgranted 2009-03-10cancelled 2013-08-20
  2. N5OQFcancelled· E
    Amsbaugh, Jeffry KFLgranted 2000-09-08cancelled 2009-03-10
  3. N8GQX
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4JEF.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4JEF, oldest first.

  • DAVIS, ROBERT R TN
    1999-03-22 → cancelled 2011-03-23
  • Amsbaugh, Jeffry K FL
    2023-08-08 active
← Back to N4JEF License history →