Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0BBL callsign genealogy
Currently held by SCHWERZLER, DALE A
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 W0BBL's current licensee, walking backwards.
- SCHWERZLER, DALE AMOgranted 2012-09-26cancelled 2015-11-06
Successor callsigns
Callsigns held now by people who previously held W0BBL.
No current licensee on record previously held this callsign.