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

K4QW callsign genealogy

Currently held by MULVANEY, J BARRY

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 K4QW's current licensee, walking backwards.

  1. AC7CLcancelled· E
    LeBlanc, Christopher MFLgranted 2016-08-02cancelled 2017-10-20
  2. W7FLAactive· T
    McMillan, Jason DFLgranted 2021-06-15
  3. KJ7YXVcancelled· T
    McMillan, Jason DWAgranted 2021-05-27cancelled 2021-06-15

Successor callsigns

Callsigns held now by people who previously held K4QW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4QW, oldest first.

  • MULVANEY, J BARRY NC
    2009-03-27 → cancelled 2015-09-30
  • LeBlanc, Christopher M FL
    2017-10-20 active
← Back to K4QW License history →