Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1SHR callsign genealogy
Currently held by South Shore Ham Radio
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 W1SHR's current licensee, walking backwards.
- KC1MIOcancelledSouth Shore Ham RadioMAgranted 2019-12-16cancelled 2020-01-18
Successor callsigns
Callsigns held now by people who previously held W1SHR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1SHR, oldest first.
- Shrewsbury Emergency Management RACES Club MA2004-04-24 → cancelled 2016-04-26
- South Shore Ham Radio MA2020-01-18 active