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

NQ2O callsign genealogy

Currently held by Lupton, Dennis 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 NQ2O's current licensee, walking backwards.

  1. KN4IHMcancelled· E
    Lupton, Dennis JFLgranted 2017-12-11cancelled 2018-01-30

Successor callsigns

Callsigns held now by people who previously held NQ2O.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NQ2O, oldest first.

  • Obenhofer, Walter G NY
    2005-10-17 → cancelled 2018-01-12
  • Lupton, Dennis J FL
    2018-01-30 active