Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1JAO callsign genealogy
Currently held by Oliver, James 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 W1JAO's current licensee, walking backwards.
- Oliver, James AMEgranted 2020-06-23cancelled 2021-09-11
Successor callsigns
Callsigns held now by people who previously held W1JAO.
No current licensee on record previously held this callsign.