Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1UO callsign genealogy
Currently held by BOISSONNEAULT, JOHN P
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 KA1UO's current licensee, walking backwards.
- WB1EWEno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KA1UO.
- BOISSONNEAULT, JON PWAgranted 2020-07-08