Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB1BT callsign genealogy
Currently held by TUTTLE, WILLIAM 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 WB1BT's current licensee, walking backwards.
- Tuttle, William RMAgranted 2015-06-29cancelled 2016-07-12
Successor callsigns
Callsigns held now by people who previously held WB1BT.
No current licensee on record previously held this callsign.