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

K1SQ callsign genealogy

Currently held by HURLEY JR, WILLIAM 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 K1SQ's current licensee, walking backwards.

  1. K4GDRcancelled· E
    HURLEY JR, WILLIAM HGAgranted 2020-12-14cancelled 2025-04-04
  2. K9HZactive· E
    SCHMIDT II, WILLIAM JTXgranted 2023-03-16
  3. WB0DRHcancelled· E
    Schmidt II, William JILgranted 1996-11-19cancelled 2003-06-03

Successor callsigns

Callsigns held now by people who previously held K1SQ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K1SQ, oldest first.

  • Greenwood, Sheree L MA
    2013-01-25 → cancelled 2025-03-15
  • HURLEY JR, WILLIAM H GA
    2025-04-04 active
← Back to K1SQ License history →