Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO6OAI callsign genealogy
Currently held by Toepfer, Burton 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 KO6OAI's current licensee, walking backwards.
- Toepfer, Burton LCAgranted 2023-03-14cancelled 2026-06-12
Successor callsigns
Callsigns held now by people who previously held KO6OAI.
No current licensee on record previously held this callsign.