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

W5BAC callsign genealogy

Currently held by LYONS, LEONARD H

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 W5BAC's current licensee, walking backwards.

  1. KG7JTCcancelled· T
    Crecelius, Brandon AORgranted 2014-03-19cancelled 2015-12-15

Successor callsigns

Callsigns held now by people who previously held W5BAC.

  1. AE5Uactive· E
    Bacon, Troy ETXgranted 2018-03-20
  2. AA5BCexpired· E
    Cosman, Bruce AOKgranted 2010-04-16cancelled 2022-04-19

All historical holders

Every license row we've seen with the callsign W5BAC, oldest first.

  • LYONS, LEONARD H LA
    1994-08-11 → cancelled 2006-08-12
  • Bacon, Troy E TX
    2007-02-24 → cancelled 2007-05-11
  • Cosman, Bruce A OK
    2010-03-16 → cancelled 2010-04-16
  • Crecelius, Brandon A OR
    2015-12-15 active