Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV0O callsign genealogy
Currently held by O'Byrne, MICHAEL D
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 KV0O's current licensee, walking backwards.
- O'Byrne, Michael DGAgranted 2009-12-01cancelled 2010-01-26
Successor callsigns
Callsigns held now by people who previously held KV0O.
No current licensee on record previously held this callsign.