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

N1WDW callsign genealogy

Currently held by Krysztoforski, Byron

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 N1WDW's current licensee, walking backwards.

  1. N3EERcancelled· T
    Krysztoforski, ByronMDgranted 2013-07-04cancelled 2016-01-05
  2. KB3JXPcancelled· T
    Krysztoforski, ByronMDgranted 2003-06-17cancelled 2003-07-12

Successor callsigns

Callsigns held now by people who previously held N1WDW.

  1. W1SIBexpired· G
    GARDNER, JOSEPH FNHgranted 2008-11-15cancelled 2020-11-17

All historical holders

Every license row we've seen with the callsign N1WDW, oldest first.

  • Krysztoforski, Byron FL
    2025-12-24 active
  • GARDNER, JOSEPH F
    — → cancelled 1998-03-03
← Back to N1WDW License history →