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

KJ9T callsign genealogy

Currently held by ISOM, JIMMY J

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 KJ9T's current licensee, walking backwards.

  1. AC9UJcancelled· E
    Garrington, Robert JWIgranted 2016-04-27cancelled 2023-05-02
  2. AC9IPcancelled· E
    Garrington, Robert JWIgranted 2016-04-27cancelled 2019-03-05
  3. KC9JLZcancelled· E
    Garrington, Robert JWIgranted 2006-05-11cancelled 2014-06-05

Successor callsigns

Callsigns held now by people who previously held KJ9T.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KJ9T, oldest first.

  • ISOM, JIMMY J IL
    2011-01-26 → cancelled 2023-04-11
  • Garrington, Robert J WI
    2023-05-02 active
← Back to KJ9T License history →