Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4SAM callsign genealogy
Currently held by Frazee, Sam
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 KO4SAM's current licensee, walking backwards.
- Frazee, SamTNgranted 2020-12-15cancelled 2021-01-15
Successor callsigns
Callsigns held now by people who previously held KO4SAM.
No current licensee on record previously held this callsign.