Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA6JAR callsign genealogy
Currently held by Hamilton, Matthew P
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 KA6JAR's current licensee, walking backwards.
- Hamilton, Matthew PCAgranted 2023-08-29cancelled 2023-09-16
Successor callsigns
Callsigns held now by people who previously held KA6JAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA6JAR, oldest first.
- STAATS JR, ROBERT V CA1998-01-23 → cancelled 2010-01-26
- Hamilton, Matthew P CA2023-09-16 active