Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5TRH callsign genealogy
Currently held by ROBBINS, THOMAS R
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 N5TRH's current licensee, walking backwards.
- Hamilton Jr, Thomas RLAgranted 2009-07-30cancelled 2009-08-18
Successor callsigns
Callsigns held now by people who previously held N5TRH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5TRH, oldest first.
- ROBBINS, THOMAS R LA1991-05-21 → cancelled 2003-05-22
- Hamilton Jr, Thomas R LA2019-07-09 active