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

AD7NA callsign genealogy

Currently held by Olson, William D

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 AD7NA's current licensee, walking backwards.

  1. KD7HQYcancelled· E
    Olson, William DORgranted 2000-01-19cancelled 2007-04-12

Successor callsigns

Callsigns held now by people who previously held AD7NA.

No current licensee on record previously held this callsign.