Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9WTC callsign genealogy
Currently held by AREA AMATEUR RADIO OPERATIONS
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 KB9WTC'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 KB9WTC.
- AA9ROexpiredAREA AMATEUR RADIO OPERATIONSILgranted 2010-06-15cancelled 2022-08-27