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

N4KD callsign genealogy

Currently held by SHEFFIELD III, JOHN 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 N4KD's current licensee, walking backwards.

  1. WB8LRLcancelled· E
    KUECHENMEISTER, DAVID RGAgranted 2009-09-09cancelled 2011-04-12
  2. W4DRKactive
    Daleville Amateur Radio ClubALgranted 2026-07-07
  3. K2DALcancelled
    Daleville Amateur Radio ClubALgranted 2022-03-22cancelled 2026-07-07
  4. KO4YFScancelled
    Daleville Area Amateur Radio ServiceALgranted 2022-03-04cancelled 2022-03-22

Successor callsigns

Callsigns held now by people who previously held N4KD.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4KD, oldest first.

  • SHEFFIELD III, JOHN W GA
    1999-03-22 → cancelled 2011-03-23
  • KUECHENMEISTER, DAVID R FL
    2021-01-20 active
← Back to N4KD License history →