Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WJ4B callsign genealogy
Currently held by HARROP, JOSEPH D
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 WJ4B's current licensee, walking backwards.
- HIGGINBOTHAM, DUANE KALgranted 1999-06-17cancelled 2004-04-17
Successor callsigns
Callsigns held now by people who previously held WJ4B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WJ4B, oldest first.
- HARROP, JOSEPH D VA1992-03-10 → cancelled 2004-03-11
- HIGGINBOTHAM, DUANE K AL2025-11-21 active