Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4BU callsign genealogy
Currently held by Sherman, Lawrence W
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 KW4BU's current licensee, walking backwards.
- Sherman, Lawrence WALgranted 2014-09-08cancelled 2014-10-06
Successor callsigns
Callsigns held now by people who previously held KW4BU.
- Sherman, Lawrence WALgranted 2014-11-04