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

N1TRX callsign genealogy

Currently held by BARBEAU, CHARLES A

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 N1TRX's current licensee, walking backwards.

  1. KQ4FSRcancelled· G
    Lustenberg, Alex EKYgranted 2023-01-25cancelled 2023-03-07

Successor callsigns

Callsigns held now by people who previously held N1TRX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N1TRX, oldest first.

  • BARBEAU, CHARLES A NH
    2004-09-16 → cancelled 2016-12-07
  • lustenberg, alexander E KY
    2023-03-07 active