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

N9SY callsign genealogy

Currently held by TIFFANY, GEORGE S

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 N9SY's current licensee, walking backwards.

  1. KB9LNEcancelled· E
    Thomas, Orville KILgranted 2005-08-24cancelled 2007-04-24

Successor callsigns

Callsigns held now by people who previously held N9SY.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9SY, oldest first.

  • TIFFANY, GEORGE S WI
    2000-06-09 → cancelled 2001-07-13
  • Thomas, Orville K IL
    2017-04-06 active