Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO0OOL callsign genealogy
Currently held by Franklin County DMR
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 KO0OOL's current licensee, walking backwards.
- KE0WXRcancelledFranklin County DMRMOgranted 2019-10-02cancelled 2019-11-30
Successor callsigns
Callsigns held now by people who previously held KO0OOL.
No current licensee on record previously held this callsign.