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

WR3F callsign genealogy

Currently held by SEELINGER, NICHOLAS S

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 WR3F's current licensee, walking backwards.

  1. N5TPAcancelled· E
    DIFFENDERFER, RON BMSgranted 2021-03-05cancelled 2021-06-22

Successor callsigns

Callsigns held now by people who previously held WR3F.

  1. N3KGDactive· E
    SEELINGER, NICHOLAS SPAgranted 2019-05-17
  2. K1HVactive· E
    BULLOCK, JERRY ATNgranted 2018-12-11
  3. W2RDFactive· E
    Firestone, Richard DMDgranted 2016-12-23

All historical holders

Every license row we've seen with the callsign WR3F, oldest first.

  • Firestone, Richard D MD
    2016-08-31 → cancelled 2016-12-23
  • SEELINGER, NICHOLAS S PA
    2019-02-22 → cancelled 2019-05-17
  • DIFFENDERFER, RON B MS
    2021-06-22 active
  • —
    — → cancelled 1999-02-23
← Back to WR3F License history →