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

N9ST callsign genealogy

Currently held by THAYER, J SCOTT

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 N9ST's current licensee, walking backwards.

  1. N9AUWactive· G
    Melvin, AndrewILgranted 2022-03-18
  2. KD9ULDcancelled· G
    Melvin, AndrewILgranted 2022-02-28cancelled 2022-03-18

Successor callsigns

Callsigns held now by people who previously held N9ST.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9ST, oldest first.

  • THAYER, J SCOTT FL
    2007-07-25 → cancelled 2019-10-16
  • Melvin, Gary J IL
    2019-11-05 active