Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KC9YNJ callsign genealogy
Currently held by BOWYER, WILLIAM E
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 KC9YNJ'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 KC9YNJ.
- BOWYER, WILLIAM EINgranted 2013-03-14cancelled 2025-03-15