Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3BWB callsign genealogy
Currently held by ROTTER, LAWRENCE 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 W3BWB's current licensee, walking backwards.
- ROTTER, LAWRENCE MMDgranted 2014-01-06cancelled 2021-01-26
Successor callsigns
Callsigns held now by people who previously held W3BWB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3BWB, oldest first.
- Mooring, Robert E MD2004-09-14 → cancelled 2016-12-13
- ROTTER, LAWRENCE M MD2021-01-26 active