Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4YYD callsign genealogy
Currently held by Keyes, Kevin S
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 K4YYD's current licensee, walking backwards.
- Keyes, Kevin SNCgranted 2005-05-17cancelled 2008-03-18
Successor callsigns
Callsigns held now by people who previously held K4YYD.
No current licensee on record previously held this callsign.