Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1WBO callsign genealogy
Currently held by Ussailis, James S
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 KA1WBO's current licensee, walking backwards.
- Ussailis, James SMAgranted 2006-06-14cancelled 2007-05-30
Successor callsigns
Callsigns held now by people who previously held KA1WBO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1WBO, oldest first.
- USSAILIS JR, JIM S MA1991-01-29 → cancelled 2003-01-30
- Ussailis, James S MA2019-04-30 active