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

KB3NPO callsign genealogy

Currently held by Monroe County ARES/RACES

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 KB3NPO's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KB3NPO.

  1. WX3OESactive
    Monroe County ARES/RACESPAgranted 2016-08-16