Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5HJ callsign genealogy
Currently held by Warren, James B
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 AD5HJ's current licensee, walking backwards.
- Warren, James BTXgranted 2001-12-11cancelled 2002-01-28
Successor callsigns
Callsigns held now by people who previously held AD5HJ.
No current licensee on record previously held this callsign.