Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4VY callsign genealogy
Currently held by King, Matthew R
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 KW4VY's current licensee, walking backwards.
- King, Matthew RGAgranted 2011-06-14cancelled 2016-06-23
Successor callsigns
Callsigns held now by people who previously held KW4VY.
- King, Matthew RGAgranted 2026-04-16