Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1STM callsign genealogy
Currently held by Springfield Telescope Makers Amateur Radio Club
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 W1STM's current licensee, walking backwards.
- KB1GZLcancelledSpringfield Telescope Makers Amateur Radio ClubVTgranted 2001-07-02cancelled 2002-07-30
Successor callsigns
Callsigns held now by people who previously held W1STM.
No current licensee on record previously held this callsign.