Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4FVS callsign genealogy
Currently held by Maskelony, James R
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 KO4FVS'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 KO4FVS.
- Maskelony, James RVAgranted 2020-08-18