Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB1BJ callsign genealogy
Currently held by Marshall, Duane
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 AB1BJ's current licensee, walking backwards.
- Marshall, DuaneMAgranted 2002-03-07cancelled 2002-07-26
Successor callsigns
Callsigns held now by people who previously held AB1BJ.
No current licensee on record previously held this callsign.