Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4EXC callsign genealogy
Currently held by JOINER, JOHN 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 WA4EXC's current licensee, walking backwards.
- Joiner, John AALgranted 2021-02-26cancelled 2021-03-23
Successor callsigns
Callsigns held now by people who previously held WA4EXC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4EXC, oldest first.
- JOINER, RALPH H AL1996-10-08 → cancelled 1998-11-14
- JOINER, JOHN A AL2021-03-23 active