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

N2OA callsign genealogy

Currently held by Empire Contest Club Contesters

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 N2OA's current licensee, walking backwards.

  1. KA2OQZcancelled· E
    CARLSON, K DAVIDNYgranted 2017-02-10cancelled 2017-04-14

Successor callsigns

Callsigns held now by people who previously held N2OA.

  1. K5CFactive· E
    McMillan, Richard DNYgranted 2025-01-17
  2. NY2DXactive
    Empire Contest Club ContestersFLgranted 2020-01-13

All historical holders

Every license row we've seen with the callsign N2OA, oldest first.

  • TANNER, THOMAS A TX
    1990-07-03 → cancelled 2002-07-04
  • Empire Contest Club Contesters NY
    2003-06-17 → cancelled 2010-04-03
  • McMillan, Richard D NY
    2012-04-27 → cancelled 2015-03-24
  • CARLSON, K DAVID NY
    2017-04-14 active
← Back to N2OA License history →