Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SBC callsign genealogy
Currently held by SAINT BENEDICT CENTER 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 W1SBC's current licensee, walking backwards.
- CHATTERJEE, SUPRIYO BCTgranted 2020-08-27cancelled 2020-09-29
Successor callsigns
Callsigns held now by people who previously held W1SBC.
- CHATTERJEE, SUPRIYO BCTgranted 2021-03-09
All historical holders
Every license row we've seen with the callsign W1SBC, oldest first.
- SAINT BENEDICT CENTER AMATEUR RADIO CLUB MA1999-06-02 → cancelled 2011-06-03
- CHATTERJEE, SUPRIYO B CT2020-09-29 → cancelled 2021-03-09