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

W9BQ callsign genealogy

Currently held by Thorne, Christian M

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 W9BQ's current licensee, walking backwards.

  1. AB9TPcancelled· E
    Thorne, Christian MINgranted 2009-04-23cancelled 2009-05-12

Successor callsigns

Callsigns held now by people who previously held W9BQ.

  1. K6PXactive· E
    CARLIN, STEPHEN RCAgranted 2016-11-29
  2. WY6Qcancelled· E
    CARLIN, STEPHEN RILgranted 2002-11-02cancelled 2003-01-03

All historical holders

Every license row we've seen with the callsign W9BQ, oldest first.

  • CARLIN, STEPHEN R IL
    1996-12-18 → cancelled 2002-11-02
  • CARLIN, STEPHEN R CA
    2003-01-03 → cancelled 2007-02-13
  • Thorne, Christian M IN
    2019-03-05 active
← Back to W9BQ License history →