Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD3PT callsign genealogy
Currently held by Roberts, James M
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 AD3PT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AD3PT.
No current licensee on record previously held this callsign.