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

KW7JS callsign genealogy

Currently held by SCHWINGE, JAMES R

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 KW7JS's current licensee, walking backwards.

  1. WW7JSactive· E
    Sobeck, John AWAgranted 2024-12-04
  2. W6TCactive· E
    Dorfan, Joel KCAgranted 2017-03-20
  3. AI6UYcancelled· E
    Dorfan, Joel KCAgranted 2014-04-21cancelled 2017-03-20
  4. KK6LKYcancelled· E
    Dorfan, Joel KCAgranted 2014-04-21cancelled 2017-01-30

Successor callsigns

Callsigns held now by people who previously held KW7JS.

No current licensee on record previously held this callsign.

← Back to KW7JS License history →