Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO8MAX callsign genealogy
Currently held by Walterich, Mike
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 KO8MAX's current licensee, walking backwards.
- Walterich, MikeOHgranted 2020-12-22cancelled 2021-01-19
Successor callsigns
Callsigns held now by people who previously held KO8MAX.
No current licensee on record previously held this callsign.