Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1STR callsign genealogy
Currently held by Sci Tech Amateur Radio Society
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 W1STR's current licensee, walking backwards.
- KC1KBOcancelledSci Tech Amateur Radio SocietyMAgranted 2018-07-23cancelled 2018-08-14
Successor callsigns
Callsigns held now by people who previously held W1STR.
No current licensee on record previously held this callsign.