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

N0TRT callsign genealogy

Currently held by RYAN, BRUCE 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 N0TRT's current licensee, walking backwards.

  1. KC0VWDcancelled· T
    SMITH III, ROLAND WCOgranted 2006-02-07cancelled 2006-12-12

Successor callsigns

Callsigns held now by people who previously held N0TRT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N0TRT, oldest first.

  • RYAN, BRUCE A CO
    1992-08-04 → cancelled 2004-08-05
  • SMITH III, ROLAND W CO
    2016-11-03 active