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

WR3K callsign genealogy

Currently held by WOISH, ROBERT E

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 WR3K's current licensee, walking backwards.

  1. KC9OSEcancelled· E
    Cook, Gregory WINgranted 2008-11-26cancelled 2010-02-20

Successor callsigns

Callsigns held now by people who previously held WR3K.

  1. WB3Tactive· E
    WOISH, ROBERT EPAgranted 2017-11-16
  2. W5QWKcancelled· E
    DOVE, HENRY FTXgranted 1996-11-04cancelled 2000-06-03

All historical holders

Every license row we've seen with the callsign WR3K, oldest first.

  • WOISH, ROBERT E PA
    1998-12-30 → cancelled 2008-02-01
  • Cook, Gregory W CA
    2020-01-14 active
← Back to WR3K License history →