Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4SHP callsign genealogy
Currently held by Hook, William 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 KR4SHP's current licensee, walking backwards.
- Hook, William ANCgranted 2025-01-30cancelled 2025-03-25
Successor callsigns
Callsigns held now by people who previously held KR4SHP.
No current licensee on record previously held this callsign.