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

W0BTS callsign genealogy

Currently held by SCHWARTZ, 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 W0BTS's current licensee, walking backwards.

  1. KC0MNJcancelled· G
    Schwartz, Brian TMNgranted 2002-03-06cancelled 2004-02-07

Successor callsigns

Callsigns held now by people who previously held W0BTS.

No current licensee on record previously held this callsign.