Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD8MAT callsign genealogy
Currently held by Central Ohio Operators Klub Extra -Novice
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 KD8MAT's current licensee, walking backwards.
- Shamis, MatthewOHgranted 2019-05-23cancelled 2019-06-29
Successor callsigns
Callsigns held now by people who previously held KD8MAT.
- W8FDactiveCENTRAL OHIO OPERATORS KLUB EXTRA -NOVICEOHgranted 2019-08-28
All historical holders
Every license row we've seen with the callsign KD8MAT, oldest first.
- Central Ohio Operators Klub Extra -Novice OH2009-09-21 → cancelled 2009-11-20
- Shamis, Matthew OH2019-06-29 active