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

N9JJJ callsign genealogy

Currently held by Thach, Tien

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 N9JJJ's current licensee, walking backwards.

  1. K1EJJcancelled· T
    Thach, TienWAgranted 2017-10-31cancelled 2017-12-02
  2. KI7QITcancelled· T
    Thach, TienWAgranted 2017-10-10cancelled 2017-10-31

Successor callsigns

Callsigns held now by people who previously held N9JJJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9JJJ, oldest first.

  • ANDERSON, EUGENE F IN
    2000-01-06 → cancelled 2012-03-14
  • Thach, Tien WA
    2017-12-02 active
← Back to N9JJJ License history →