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

K4SJS callsign genealogy

Currently held by SJS Amateur Radio Club

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 K4SJS's current licensee, walking backwards.

  1. N4SNGcancelled· E
    Sonnenblick, Steven JTNgranted 2017-09-06cancelled 2018-08-14
  2. K4SNGactive· G
    GALLIMORE, SANDRA NTNgranted 2019-11-30
  3. KN4WSGcancelled· G
    GALLIMORE, SANDRA NTNgranted 2019-08-21cancelled 2019-11-30

Successor callsigns

Callsigns held now by people who previously held K4SJS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4SJS, oldest first.

  • SJS Amateur Radio Club FL
    2004-01-31 → cancelled 2016-02-02
  • Sonnenblick, Steven J TN
    2018-08-14 active
← Back to K4SJS License history →