Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2SOI callsign genealogy
Currently held by Shrub Oak International School 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 W2SOI's current licensee, walking backwards.
- KD2SOOcancelledShrub Oak International School Amateur Radio ClubNYgranted 2019-08-20cancelled 2019-09-10
Successor callsigns
Callsigns held now by people who previously held W2SOI.
No current licensee on record previously held this callsign.