Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4SU callsign genealogy
Currently held by Greene, Michael L
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 KV4SU's current licensee, walking backwards.
- Greene, Michael LGAgranted 2013-09-18cancelled 2013-11-19
Successor callsigns
Callsigns held now by people who previously held KV4SU.
No current licensee on record previously held this callsign.