Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0JMS callsign genealogy
Currently held by Spray, 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 KF0JMS's current licensee, walking backwards.
- Spray, James MCOgranted 2021-12-28cancelled 2022-01-15
Successor callsigns
Callsigns held now by people who previously held KF0JMS.
No current licensee on record previously held this callsign.