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

KS4G callsign genealogy

Currently held by MARTIN JR, JAMES A

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 KS4G's current licensee, walking backwards.

  1. KI4UJGcancelled· E
    LINDEMAN, MARK AFLgranted 2017-01-07cancelled 2019-12-20

Successor callsigns

Callsigns held now by people who previously held KS4G.

  1. N7PMactive· E
    Cain, Steven JORgranted 2017-12-01

All historical holders

Every license row we've seen with the callsign KS4G, oldest first.

  • MARTIN JR, JAMES A NC
    1996-12-06 → cancelled 2001-10-31
  • Cain, Steven J OR
    2017-03-28 → cancelled 2017-12-01
  • LINDEMAN, MARK A FL
    2019-12-20 active
← Back to KS4G License history →