Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1BLS callsign genealogy
Currently held by IRISH JR, FRANK 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 W1BLS's current licensee, walking backwards.
- Semmel, Brian LMAgranted 2004-06-10cancelled 2009-11-17
Successor callsigns
Callsigns held now by people who previously held W1BLS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1BLS, oldest first.
- IRISH JR, FRANK A RI1995-06-12 → cancelled 2004-09-23
- Semmel, Brian L VT2020-03-05 active