Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9YWK callsign genealogy
Currently held by WISCONSIN ARES/RACES
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 KB9YWK'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 KB9YWK.
- WC9AAGactiveWisconsin Emergency ManagementWIgranted 2020-12-11