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

NO2U callsign genealogy

Currently held by Thompson, Mark 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 NO2U's current licensee, walking backwards.

  1. AC5ZMcancelled· E
    Thompson, Mark JTXgranted 2000-06-15cancelled 2000-08-29
  2. KD5KPFcancelled· G
    Thompson, Mark JTXgranted 2000-06-15cancelled 2000-08-01

Successor callsigns

Callsigns held now by people who previously held NO2U.

No current licensee on record previously held this callsign.

← Back to NO2U License history →