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

N3UO callsign genealogy

Currently held by MOORE, GILBERT 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 N3UO's current licensee, walking backwards.

  1. KC3DYTcancelled· E
    Penglase, Brandon MPAgranted 2014-12-04cancelled 2017-03-12

Successor callsigns

Callsigns held now by people who previously held N3UO.

  1. W0GDSactive· E
    Sawyer, Gary DTXgranted 2021-08-10
  2. AF3Yactive· E
    MACK JR, GENE FFLgranted 2017-01-04
  3. AG4ILactive· E
    MOORE, GILBERT JFLgranted 2015-02-21
  4. N3GAcancelled· E
    LARIMORE, JEFFREY AAZgranted 2009-05-16cancelled 2009-07-07

All historical holders

Every license row we've seen with the callsign N3UO, oldest first.

  • MACK JR, GENE F SC
    2006-05-12 → cancelled 2007-03-06
  • LARIMORE, JEFFREY A AZ
    2009-04-24 → cancelled 2009-05-16
  • Sawyer, Gary D TX
    2011-06-04 → cancelled 2011-11-01
  • MOORE, GILBERT J FL
    2013-11-30 → cancelled 2015-02-21
  • Penglase, Brandon M PA
    2017-03-12 active