Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA2BYA callsign genealogy
Currently held by Sanborn, William C
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 KA2BYA's current licensee, walking backwards.
- Sanborn, William CNYgranted 2022-02-22cancelled 2022-03-15
Successor callsigns
Callsigns held now by people who previously held KA2BYA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA2BYA, oldest first.
- UHLE SR, WILLIAM J NY1998-04-16 → cancelled 2010-04-17
- Sanborn, William C NY2022-03-15 active