Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6MRE callsign genealogy
Currently held by Castro, Donovan
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 KO6MRE's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KO6MRE.
- Castro, DonovanCAgranted 2026-04-04cancelled 2026-05-09