Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4OT callsign genealogy
Currently held by WHITENER, JAMES E
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 AB4OT's current licensee, walking backwards.
- WHITENER, JAMES ENCgranted 2017-05-15cancelled 2018-03-24
Successor callsigns
Callsigns held now by people who previously held AB4OT.
- WHITENER, JAMES ENCgranted 2017-05-15cancelled 2018-03-24
All historical holders
Every license row we've seen with the callsign AB4OT, oldest first.
- WHITENER, JAMES E NC1999-02-17 → cancelled 2007-06-22
- WHITENER, JAMES E NC2018-03-24 active