Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KA0SQL callsign genealogy
Currently held by Newton, Freda Y
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 KA0SQL's current licensee, walking backwards.
- Hopfinger, Marcus LSDgranted 2017-01-19cancelled 2017-02-07
Successor callsigns
Callsigns held now by people who previously held KA0SQL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0SQL, oldest first.
- Newton, Freda Y CO2004-09-07 → cancelled 2016-11-11
- Hopfinger, Marcus L SD2017-02-07 active