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

W7OAS callsign genealogy

Currently held by OLSON, DONALD L

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 W7OAS's current licensee, walking backwards.

  1. AA7RI
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W7OAS.

No current licensee on record previously held this callsign.

← Back to W7OAS License history →