Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1BT callsign genealogy
Currently held by Butler Jr, Ralph E
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 W1BT's current licensee, walking backwards.
- Butler Jr, Ralph EMAgranted 1997-11-24cancelled 2001-08-03
Successor callsigns
Callsigns held now by people who previously held W1BT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1BT, oldest first.
- LOVEJOY, JULIAN NH1994-12-14 → cancelled 1999-07-14
- ANTIQUE WIRELESS CLUB DC1999-03-11 → cancelled 1999-07-14
- Butler Jr, Ralph E MA2021-06-24 active