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

NG9O callsign genealogy

Currently held by Griffin, Walter C

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 NG9O's current licensee, walking backwards.

  1. KD9AZIcancelled· E
    Griffin, Walter CILgranted 2014-04-17cancelled 2014-05-24

Successor callsigns

Callsigns held now by people who previously held NG9O.

  1. N9RTactive· E
    NOWICKI, THOMAS AINgranted 2022-03-18

All historical holders

Every license row we've seen with the callsign NG9O, oldest first.

  • WADE, LARRY D IL
    1999-03-09 → cancelled 2002-11-30
  • NOWICKI, THOMAS A IN
    2011-09-07 → cancelled 2012-01-06
  • Griffin, Walter C WI
    2026-04-08 active
← Back to NG9O License history →