Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5JMS callsign genealogy
Currently held by Sproles II, James M
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 W5JMS's current licensee, walking backwards.
- Sproles II, James MARgranted 2003-05-21cancelled 2010-08-10
Successor callsigns
Callsigns held now by people who previously held W5JMS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5JMS, oldest first.
- COLLUM, GLENDON F TX1998-02-26 → cancelled 2010-02-27
- Sproles II, James M AR2020-06-20 active