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

WF3K callsign genealogy

Currently held by TILLINGHAST SR, JOHN C

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 WF3K's current licensee, walking backwards.

  1. KN4SIAcancelled· E
    Cousin, Kelley SGAgranted 2019-02-12cancelled 2020-04-10

Successor callsigns

Callsigns held now by people who previously held WF3K.

  1. K3JCTcancelled· E
    TILLINGHAST SR, JOHN CDEgranted 2010-09-10cancelled 2014-06-10

All historical holders

Every license row we've seen with the callsign WF3K, oldest first.

  • TILLINGHAST SR, JOHN C DE
    1990-10-16 → cancelled 2000-10-11
  • Frank, John W PA
    2008-03-20 → cancelled 2020-03-21
  • Cousin, Kelley S GA
    2020-04-10 active
← Back to WF3K License history →