Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ZRT callsign genealogy
Currently held by Thibault, Richard G
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 W1ZRT's current licensee, walking backwards.
- Thibault, Richard GMAgranted 2010-11-17cancelled 2012-05-11
Successor callsigns
Callsigns held now by people who previously held W1ZRT.
No current licensee on record previously held this callsign.