Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4YAO callsign genealogy
Currently held by Benway, Jeffrey A
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 KC4YAO's current licensee, walking backwards.
- Benway, Jeffrey AFLgranted 2023-01-24cancelled 2023-02-11
Successor callsigns
Callsigns held now by people who previously held KC4YAO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4YAO, oldest first.
- BENWAY, JEFFREY A FL1991-03-26 → cancelled 2003-03-27
- Benway, Jeffrey A FL2023-02-11 active