Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1RZT callsign genealogy
Currently held by BARNISH, ROBERT L
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 W1RZT's current licensee, walking backwards.
- Dupre Jr, Richard PMAgranted 2015-12-02cancelled 2015-12-22
Successor callsigns
Callsigns held now by people who previously held W1RZT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1RZT, oldest first.
- BARNISH, ROBERT L VT1999-01-13 → cancelled 2004-09-14
- Dupre Jr, Richard P MA2015-12-22 active