uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W0TRI callsign genealogy

Currently held by TRI STAR AMATEUR RADIO CLUB

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 W0TRI's current licensee, walking backwards.

  1. KF0QOBcancelled
    TRI-LAKES AMATEUR RADIO CLUBMOgranted 2024-06-01cancelled 2024-06-21

Successor callsigns

Callsigns held now by people who previously held W0TRI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W0TRI, oldest first.

  • TRI STAR AMATEUR RADIO CLUB SD
    2001-04-03 → cancelled 2013-04-04
  • TRI-LAKES AMATEUR RADIO CLUB MO
    2024-06-21 active