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

N2OXX callsign genealogy

Currently held by COSTA, CARLOS G

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 N2OXX's current licensee, walking backwards.

  1. KB2BLL
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N2OXX.

No current licensee on record previously held this callsign.

← Back to N2OXX License history →