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

NI5T callsign genealogy

Currently held by THOMASON, TRESIA K

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 NI5T's current licensee, walking backwards.

  1. NA5NMactive· E
    ROLLACK, CHARLIE RNMgranted 2022-01-27
  2. WE4CWactive· E
    CARTER, MICAH ANCgranted 2019-09-06
  3. K4GCSactive· T
    SIMPSON, GERADGAgranted 2021-09-28
  4. KO4GCScancelled· T
    SIMPSON, GERADGAgranted 2020-02-08cancelled 2021-09-28
  5. KO4BBVcancelled· T
    SIMPSON, GERADGAgranted 2020-01-21cancelled 2020-02-08

Successor callsigns

Callsigns held now by people who previously held NI5T.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NI5T, oldest first.

  • THOMASON, TRESIA K TX
    1999-10-16 → cancelled 2001-07-16
  • Southwest New Mexico Contest Club NM
    2018-07-17 active
← Back to NI5T License history →