Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB1I callsign genealogy
Currently held by Shaw, Lawrence T
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 WB1I's current licensee, walking backwards.
- Shaw, Lawrence TMAgranted 2014-02-21cancelled 2015-03-17
Successor callsigns
Callsigns held now by people who previously held WB1I.
- CASWELL JR, FRED ICTgranted 2013-02-26cancelled 2016-01-09
All historical holders
Every license row we've seen with the callsign WB1I, oldest first.
- CASWELL JR, FRED I CT2004-05-21 → cancelled 2013-02-26
- Shaw, Lawrence T MA2015-03-17 active