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

N1SO callsign genealogy

Currently held by Makrecky, Stephen A

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 N1SO's current licensee, walking backwards.

  1. N7MAKcancelled· E
    Makrecky, Stephen AMEgranted 2006-10-24cancelled 2008-11-07
  2. KE7IZNcancelled· G
    Makrecky, Stephen AWAgranted 2006-09-21cancelled 2006-10-24

Successor callsigns

Callsigns held now by people who previously held N1SO.

  1. N4YFactive· E
    Gormley, MichaelGAgranted 2016-10-18
  2. AA1Jcancelled
    ISLAND HUNTERS AMATEUR RADIO CLUBRIgranted 2004-08-28cancelled 2005-08-09
  3. W1JDCcancelled· E
    CARR, JOHN DMEgranted 2000-02-18cancelled 2004-04-02

All historical holders

Every license row we've seen with the callsign N1SO, oldest first.

  • CARR, JOHN D ME
    1998-10-05 → cancelled 2000-02-18
  • ISLAND HUNTERS AMATEUR RADIO CLUB RI
    2002-10-04 → cancelled 2004-08-28
  • Gormley, Michael GA
    2006-09-19 → cancelled 2006-10-17
  • Makrecky, Stephen A FL
    2018-09-05 active
← Back to N1SO License history →