Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB5MJS callsign genealogy
Currently held by SHEPARD, MATTHEW J
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 KB5MJS's current licensee, walking backwards.
- SHEPARD, MATTHEW JTXgranted 2018-06-18cancelled 2018-07-07
Successor callsigns
Callsigns held now by people who previously held KB5MJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5MJS, oldest first.
- HERRON, DONNA M LA2001-07-27 → cancelled 2012-08-15
- SHEPARD, MATTHEW J TX2018-07-07 active