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

KB1FWJ callsign genealogy

Currently held by Youens, Jonathan D

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 KB1FWJ's current licensee, walking backwards.

  1. N1HRTcancelled· T
    Youens, Jonathan DMAgranted 2014-12-02cancelled 2020-03-27
  2. WM1SARcancelled· T
    Youens, Jonathan DMAgranted 2011-01-19cancelled 2014-12-02

Successor callsigns

Callsigns held now by people who previously held KB1FWJ.

  1. K1FWJactive· G
    Youens, Jonathan DMAgranted 2020-07-24
  2. WM1SARcancelled· T
    Youens, Jonathan DMAgranted 2011-01-19cancelled 2014-12-02

All historical holders

Every license row we've seen with the callsign KB1FWJ, oldest first.

  • Youens, Jonathan D MA
    2000-11-08 → cancelled 2001-01-17
  • Youens, Jonathan D MA
    2020-03-27 → cancelled 2020-07-24
← Back to KB1FWJ License history →