Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4YP callsign genealogy
Currently held by SHAW, DAVID M
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 KY4YP's current licensee, walking backwards.
- SHAW, DAVID MSCgranted 2023-03-28cancelled 2023-06-12
Successor callsigns
Callsigns held now by people who previously held KY4YP.
No current licensee on record previously held this callsign.