Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3BLS callsign genealogy
Currently held by Rowles III, John F
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 W3BLS's current licensee, walking backwards.
- Rowles III, John FFLgranted 2004-03-01cancelled 2004-08-13
Successor callsigns
Callsigns held now by people who previously held W3BLS.
No current licensee on record previously held this callsign.