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

N1OBY callsign genealogy

Currently held by WYNN, MARK H

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 N1OBY'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 N1OBY.

  1. KE1KEcancelled· A
    WYNN, MARK HTNgranted 2013-12-24cancelled 2016-01-29