Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6FKO callsign genealogy
Currently held by KO, FRANK
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 K6FKO's current licensee, walking backwards.
- KO, FRANCISCAgranted 2020-02-07cancelled 2020-03-14
Successor callsigns
Callsigns held now by people who previously held K6FKO.
- KO, FRANKCAgranted 2020-05-01