Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1AS callsign genealogy
Currently held by BLAS, CHARLES 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 AB1AS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB1AS.
- Desmond, William JMEgranted 2022-03-31
All historical holders
Every license row we've seen with the callsign AB1AS, oldest first.
- Desmond, William J ME2002-02-04 → cancelled 2002-06-25
- BLAS, CHARLES A CA2021-05-18 active