Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4AMV callsign genealogy
Currently held by CASSIDY, EWELL TK
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 KO4AMV's current licensee, walking backwards.
- CASSIDY, EWELL TKKYgranted 2014-05-28cancelled 2019-12-14
Successor callsigns
Callsigns held now by people who previously held KO4AMV.
No current licensee on record previously held this callsign.