Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KA1MAT callsign genealogy
Currently held by Cerqua, Mathew H
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 KA1MAT's current licensee, walking backwards.
- Cerqua, Mathew HMAgranted 2017-09-22cancelled 2017-10-13
Successor callsigns
Callsigns held now by people who previously held KA1MAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1MAT, oldest first.
- DIXON, ROBERT A RI2003-05-20 → cancelled 2015-08-18
- Cerqua, Mathew H MA2017-10-13 active