Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR7STN callsign genealogy
Currently held by Cox, Crystin
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 KR7STN's current licensee, walking backwards.
- Cox, CrystinWAgranted 2021-08-09cancelled 2021-08-27
Successor callsigns
Callsigns held now by people who previously held KR7STN.
No current licensee on record previously held this callsign.