Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS3KSX callsign genealogy
Currently held by TESAURO JR, JOSEPH 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 KS3KSX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KS3KSX.
No current licensee on record previously held this callsign.