Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4CLU callsign genealogy
Currently held by Adams, John V
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 KO4CLU'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 KO4CLU.
- Adams, John VVAgranted 2020-04-07cancelled 2024-10-26