Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1STC callsign genealogy
Currently held by NORTHUP, TERRY L
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 KA1STC's current licensee, walking backwards.
- Antion, Thomas SVAgranted 2020-04-16cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held KA1STC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1STC, oldest first.
- NORTHUP, TERRY L NH1991-04-02 → cancelled 2003-04-03
- Antion, Thomas S VA2020-05-12 active