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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KA1NWY callsign genealogy

Currently held by MAC DONALD, HARRY J

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 KA1NWY's current licensee, walking backwards.

  1. NF1Lactive· E
    Duffy Jr, Jack HNHgranted 2017-06-20
  2. KE1HScancelled· E
    Duffy Jr, Jack HNHgranted 2007-02-08cancelled 2007-09-15

Successor callsigns

Callsigns held now by people who previously held KA1NWY.

  1. W1HJMactive· E
    MAC DONALD, HARRY JRIgranted 2020-05-14
← Back to KA1NWY License history →