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

W0SSO callsign genealogy

Currently held by KEAN, TIMOTHY L

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 W0SSO's current licensee, walking backwards.

  1. W0HOTcancelled· A
    KEAN, TIMOTHY LIAgranted 2011-08-04cancelled 2016-02-12
  2. WB0VDRcancelled· A
    KEAN, TIMOTHY LIAgranted 1995-02-24cancelled 2001-09-11

Successor callsigns

Callsigns held now by people who previously held W0SSO.

  1. W0SSSactive· A
    KEAN, TIMOTHY LIAgranted 2022-03-22
  2. W7SSOcancelled· E
    CHAPLIN, MICHAEL HWAgranted 2012-04-17cancelled 2013-02-12

All historical holders

Every license row we've seen with the callsign W0SSO, oldest first.

  • CHAPLIN, MICHAEL H IA
    1997-09-17 → cancelled 2002-07-09
  • KEAN, TIMOTHY L IA
    2016-02-12 → cancelled 2022-03-22
← Back to W0SSO License history →