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

WT9U callsign genealogy

Currently held by WALTER, JAMES A

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 WT9U's current licensee, walking backwards.

  1. WB0OLAcancelled· G
    WALTER, JAMES Acancelled 1997-10-20

Successor callsigns

Callsigns held now by people who previously held WT9U.

No current licensee on record previously held this callsign.