Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K1SQL callsign genealogy
Currently held by Evaul, Ryan 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 K1SQL's current licensee, walking backwards.
- Evaul, Ryan CMAgranted 2022-12-29cancelled 2023-01-18
Successor callsigns
Callsigns held now by people who previously held K1SQL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1SQL, oldest first.
- BELLOFATTO, FRANK P MA1997-11-11 → cancelled 2009-11-13
- Evaul, Ryan C MA2023-01-18 active