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

W3TFR callsign genealogy

Currently held by PROJECT LIBERTY SHIP BALTIMORE INC

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 W3TFR's current licensee, walking backwards.

  1. KB3BIO
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W3TFR.

  1. K8JWBactive
    PROJECT LIBERTY SHIP BALTIMORE INCMDgranted 2017-03-20
← Back to W3TFR License history →