Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR7OCK callsign genealogy
Currently held by Cooper, Christian 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 KR7OCK's current licensee, walking backwards.
- Cooper, Christian AORgranted 2017-10-30cancelled 2017-11-18
Successor callsigns
Callsigns held now by people who previously held KR7OCK.
No current licensee on record previously held this callsign.