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

W0JCS callsign genealogy

Currently held by Schwab, Jeffrey C

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 W0JCS's current licensee, walking backwards.

  1. KE0NPIcancelled· T
    Schrader, John CCOgranted 2017-06-05cancelled 2019-07-12

Successor callsigns

Callsigns held now by people who previously held W0JCS.

  1. NW7Jactive· E
    Schwab, Jeffrey CWAgranted 2016-12-16

All historical holders

Every license row we've seen with the callsign W0JCS, oldest first.

  • MANSHEIM, JOHN V IA
    2004-01-02 → cancelled 2016-03-30
  • Schwab, Jeffrey C WA
    2016-04-19 → cancelled 2016-12-16
  • Schrader, John C CO
    2019-07-12 active
← Back to W0JCS License history →