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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W9WSM callsign genealogy

Currently held by MARIVADA, SATYA

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 W9WSM's current licensee, walking backwards.

  1. KD9CWVcancelled· T
    MARIVADA, SATYAILgranted 2015-01-26cancelled 2015-02-14

Successor callsigns

Callsigns held now by people who previously held W9WSM.

  1. W9JRKcancelled· T
    KOONCE, JOSEPH RILgranted 2011-11-04cancelled 2012-08-31
  2. KB9MIZcancelled· T
    KOONCE, JOSEPH RILgranted 2006-03-11cancelled 2008-04-05

All historical holders

Every license row we've seen with the callsign W9WSM, oldest first.

  • KOONCE, JOSEPH R IL
    2003-02-19 → cancelled 2006-03-11
  • KOONCE, JOSEPH R IL
    2008-04-05 → cancelled 2011-11-04
  • MARIVADA, SATYA TX
    2025-03-05 active
← Back to W9WSM License history →