Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1BTB callsign genealogy
Currently held by TORREY, HELEN M
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 W1BTB's current licensee, walking backwards.
- BARKER, BRIAN TTXgranted 2019-05-01cancelled 2020-09-29
Successor callsigns
Callsigns held now by people who previously held W1BTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1BTB, oldest first.
- TORREY, HELEN M ME1995-11-28 → cancelled 2007-11-29
- BARKER, BRIAN T TX2020-09-29 active