Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K3SQL callsign genealogy
Currently held by Kwiatkowski, Mitch
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 K3SQL's current licensee, walking backwards.
- Kwiatkowski, MitchPAgranted 2024-09-05cancelled 2024-09-24
Successor callsigns
Callsigns held now by people who previously held K3SQL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3SQL, oldest first.
- HELTION SR, LUCILLE O PA1988-09-27 → cancelled 2000-09-28
- Kwiatkowski, Mitch PA2024-09-24 active