Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3I callsign genealogy
Currently held by SCULLION, WILLIAM
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 AB3I's current licensee, walking backwards.
- Marshall, David MGAgranted 2000-02-23cancelled 2006-01-31
Successor callsigns
Callsigns held now by people who previously held AB3I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB3I, oldest first.
- SCULLION, WILLIAM MD1988-04-19 → cancelled 2000-04-20
- MARSHALL, DAVID M TN2026-01-07 active