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

W9BTW callsign genealogy

Currently held by WALKER, BRIAN T

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 W9BTW's current licensee, walking backwards.

  1. KA9DSWcancelled· P
    WALKER, BRIAN Tcancelled 1998-11-24

Successor callsigns

Callsigns held now by people who previously held W9BTW.

No current licensee on record previously held this callsign.