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

NW6O callsign genealogy

Currently held by HAT IN HAND CONTEST CLUB

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 NW6O's current licensee, walking backwards.

  1. KQ2Zactive· E
    Galak, JulieanNYgranted 2025-12-30
  2. KD2JPFcancelled· E
    Galak, JulieanNYgranted 2015-10-14cancelled 2016-01-08

Successor callsigns

Callsigns held now by people who previously held NW6O.

  1. W6QPactive
    SOUTHERN CALIFORNIA AMATEUR RADIO DIGITAL CLUBCAgranted 2022-01-12
  2. W6GZactive· E
    MAURO, HENRY FCAgranted 2018-08-29

All historical holders

Every license row we've seen with the callsign NW6O, oldest first.

  • HAT IN HAND CONTEST CLUB CA
    2007-04-24 → cancelled 2011-10-12
  • SMERDON, WILLIAM S CA
    2024-01-10 active
  • MAURO, HENRY F
    → cancelled 1998-11-18