Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4FCY callsign genealogy
Currently held by Emergency Communicators
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 KO4FCY'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 KO4FCY.
- WX4EMCactiveTech TeamVAgranted 2020-08-28