Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ADB callsign genealogy
Currently held by DeBlasio, Allan J
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 W1ADB's current licensee, walking backwards.
- Boucher, DonaldNHgranted 2020-10-13cancelled 2020-12-11
Successor callsigns
Callsigns held now by people who previously held W1ADB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1ADB, oldest first.
- DeBlasio, Allan J MA2004-09-28 → cancelled 2016-09-29
- boucher, donald FL2020-12-11 active