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

KG5JS callsign genealogy

Currently held by Schweitzer IV, Joseph 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 KG5JS's current licensee, walking backwards.

  1. KD6JOEcancelled· E
    Schweitzer IV, Joseph STXgranted 2019-12-31cancelled 2026-05-22
  2. KG6Lactive· E
    Honey, Stanley KCAgranted 2022-01-21
  3. AJ6VDcancelled· E
    Honey, Stanley KCAgranted 2014-05-28cancelled 2022-01-21
  4. WA6IVAcancelled· E
    Honey, Stanley KCAgranted 2014-05-28cancelled 2021-12-20

Successor callsigns

Callsigns held now by people who previously held KG5JS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KG5JS, oldest first.

  • CZERWINSKI, MICHAEL H LA
    1988-05-03 → cancelled 2000-05-04
  • Schweitzer IV, Joseph S TX
    2026-05-22 active