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

W9TTH callsign genealogy

Currently held by JOHNSON, DALE 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 W9TTH's current licensee, walking backwards.

  1. WA9TTHcancelled· E
    JOHNSON, DALE LILgranted 1997-11-28cancelled 2006-09-12

Successor callsigns

Callsigns held now by people who previously held W9TTH.

No current licensee on record previously held this callsign.