Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0RIA callsign genealogy
Currently held by TROTH, LYLE 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 N0RIA's current licensee, walking backwards.
- Thompson, Geoffrey WCOgranted 2014-02-13cancelled 2014-03-11
Successor callsigns
Callsigns held now by people who previously held N0RIA.
- Troth, Lyle JCOgranted 1995-02-22cancelled 2001-02-09
All historical holders
Every license row we've seen with the callsign N0RIA, oldest first.
- TROTH, LYLE J CO1995-02-22 → cancelled 2000-05-31
- Thompson, Geoffrey W CO2014-03-11 → cancelled 2026-03-12