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

N4BQ callsign genealogy

Currently held by Killingsworth, Stephen L

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 N4BQ's current licensee, walking backwards.

  1. W9PRAcancelled· E
    Thornton, RobertGAgranted 2021-07-12cancelled 2022-07-23
  2. KO4PXPcancelled· E
    Thornton, RobertGAgranted 2021-04-30cancelled 2021-07-12

Successor callsigns

Callsigns held now by people who previously held N4BQ.

  1. K4YZactive· E
    Killingsworth, Stephen LFLgranted 2020-07-03

All historical holders

Every license row we've seen with the callsign N4BQ, oldest first.

  • HIBBARD, LOWELL SC
    2008-10-01 → cancelled 2016-11-29
  • Killingsworth, Stephen L FL
    2018-12-18 → cancelled 2020-07-03
  • Thornton, Robert GA
    2022-07-23 active
← Back to N4BQ License history →