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

K4NNN callsign genealogy

Currently held by SEFFNER AMATEUR RADIO CLUB

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 K4NNN's current licensee, walking backwards.

  1. WD9FSLcancelled· G
    WALLACE, THOMAS ESCgranted 2018-02-13cancelled 2020-01-10

Successor callsigns

Callsigns held now by people who previously held K4NNN.

  1. K1QLFcancelled
    QLF CW OPERATORS CLUBCTgranted 2016-03-01cancelled 2016-06-04
  2. K1QLFcancelled
    QLF CW OPERATORS CLUBCTgranted 2014-12-05cancelled 2015-03-31

All historical holders

Every license row we've seen with the callsign K4NNN, oldest first.

  • SNYDER JR, CHARLES G KY
    1989-01-17 → cancelled 2001-01-18
  • SEFFNER AMATEUR RADIO CLUB FL
    2001-02-13 → cancelled 2013-02-14
  • QLF CW OPERATORS CLUB NC
    2013-11-09 → cancelled 2014-12-05
  • QLF CW OPERATORS CLUB CT
    2015-03-31 → cancelled 2016-03-01
  • WALLACE, THOMAS E SC
    2020-01-10 active
← Back to K4NNN License history →