Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4ZEE callsign genealogy
Currently held by Silverthorn, Katie D
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 KR4ZEE's current licensee, walking backwards.
- Silverthorn, Katie DCAgranted 2021-01-22cancelled 2021-02-12
Successor callsigns
Callsigns held now by people who previously held KR4ZEE.
No current licensee on record previously held this callsign.