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

KS0N callsign genealogy

Currently held by MC KEAN JR, STANLEY W

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 KS0N's current licensee, walking backwards.

  1. KI0QWcancelled· E
    Thoma, Robert WMOgranted 1994-07-09cancelled 2003-02-11
  2. KA0LNCcancelled· G
    THOMA, ROBERT WMOgranted 1994-07-09cancelled 1999-09-23

Successor callsigns

Callsigns held now by people who previously held KS0N.

  1. K0LVcancelled· E
    MC KEAN JR, STANLEY WKSgranted 2000-10-24cancelled 2004-02-20

All historical holders

Every license row we've seen with the callsign KS0N, oldest first.

  • MC KEAN JR, STANLEY W KS
    1992-07-14 → cancelled 2000-10-24
  • THOMA, ROBERT W MO
    2023-03-01 active
← Back to KS0N License history →