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

W6TBC callsign genealogy

Currently held by BRETZ, WILLIAM E

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 W6TBC's current licensee, walking backwards.

  1. WA6TBCcancelled· G
    BRETZ, WILLIAM ENMgranted 2003-03-25cancelled 2008-08-05
  2. KC5ZVXcancelled· G
    BRETZ, WILLIAM ETXgranted 1998-10-23cancelled 2003-03-25

Successor callsigns

Callsigns held now by people who previously held W6TBC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W6TBC, oldest first.

  • POMEROY, JACK L CA
    1990-09-25 → cancelled 2002-09-26
  • BRETZ, WILLIAM E NM
    2018-05-10 active