Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4EFD callsign genealogy
Currently held by MONTAGUE, PATRICK 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 KY4EFD's current licensee, walking backwards.
- MONTAGUE, PATRICK RKYgranted 2023-09-12cancelled 2023-09-30
Successor callsigns
Callsigns held now by people who previously held KY4EFD.
No current licensee on record previously held this callsign.