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

K9KS callsign genealogy

Currently held by Rizzo, Salvatore D

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 K9KS's current licensee, walking backwards.

  1. N9JLKcancelled· E
    Rizzo, Salvatore DILgranted 2004-12-24cancelled 2007-04-24
  2. KC9GNScancelled· T
    Rizzo, Salvatore dILgranted 2004-09-15cancelled 2004-12-24

Successor callsigns

Callsigns held now by people who previously held K9KS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K9KS, oldest first.

  • SYTSMA, KENNETH H IN
    1996-12-09 → cancelled 2003-04-29
  • Rizzo, Salvatore D IL
    2017-10-10 active
← Back to K9KS License history →