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

K4JSG callsign genealogy

Currently held by TODD, JEFFREY S

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 K4JSG's current licensee, walking backwards.

  1. KJ4FEIcancelled· T
    GASKINS, JEFFREY SVAgranted 2008-07-15cancelled 2008-10-24

Successor callsigns

Callsigns held now by people who previously held K4JSG.

  1. W9RBZexpired· E
    CAMBELL, CHARLES KSCgranted 2006-06-29cancelled 2018-07-03
  2. WB2ZHVexpired· G
    GARRISON, JOSEPH SNJgranted 2004-03-02cancelled 2016-03-03

All historical holders

Every license row we've seen with the callsign K4JSG, oldest first.

  • GARRISON, JOSEPH S NJ
    2002-11-05 → cancelled 2004-03-02
  • TODD, JEFFREY S VA
    2018-08-31 active
← Back to K4JSG License history →