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

W1BO callsign genealogy

Currently held by CASTANER JR, ANTONIO

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 W1BO's current licensee, walking backwards.

  1. N4JIKcancelled· E
    DUNMAN, JEREMY MALgranted 2009-12-25cancelled 2011-04-01
  2. KD4LCRcancelled· G
    DUNMAN, JEREMY MOKgranted 2002-03-26cancelled 2009-12-25

Successor callsigns

Callsigns held now by people who previously held W1BO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W1BO, oldest first.

  • CASTANER JR, ANTONIO FL
    2002-06-13 → cancelled 2008-02-05
  • DUNMAN, JEREMY M AL
    2021-12-31 active
← Back to W1BO License history →