Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4VIV callsign genealogy
Currently held by Matson, Robert T
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 KA4VIV's current licensee, walking backwards.
- Matson, Robert TFLgranted 2009-02-23cancelled 2009-03-24
Successor callsigns
Callsigns held now by people who previously held KA4VIV.
No current licensee on record previously held this callsign.