Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JSM callsign genealogy
Currently held by Mills, Jeffrey S
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 K0JSM's current licensee, walking backwards.
- Miller, Joseph STXgranted 2019-11-27cancelled 2023-03-04
Successor callsigns
Callsigns held now by people who previously held K0JSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0JSM, oldest first.
- Mills, Jeffrey S IA2002-07-09 → cancelled 2014-07-10
- Miller, Joseph S TX2023-03-04 active