Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0WYR callsign genealogy
Currently held by Sjostrom, Sharon M
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 KC0WYR's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC0WYR.
- Sjostrom, Sharon MCOgranted 2006-08-22cancelled 2018-08-23