Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO5Y callsign genealogy
Currently held by Smith, Bill 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 KO5Y's current licensee, walking backwards.
- RINDFLEISCH, KEN CNMgranted 2007-04-25cancelled 2009-04-28
Successor callsigns
Callsigns held now by people who previously held KO5Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO5Y, oldest first.
- Smith, Bill R TX2005-08-11 → cancelled 2006-01-06
- RINDFLEISCH, KEN C NM2019-02-07 active