Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0VUN callsign genealogy
Currently held by COWGELL, ANTHONY B
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 KA0VUN's current licensee, walking backwards.
- Komura, ShujiMOgranted 2010-05-14cancelled 2010-08-24
Successor callsigns
Callsigns held now by people who previously held KA0VUN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0VUN, oldest first.
- COWGELL, ANTHONY B FL1992-03-24 → cancelled 2004-03-25
- KOMURA, SHUJI MO2020-05-27 active