Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3GW callsign genealogy
Currently held by Ockanickon Scout Reservation 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 KB3GW's current licensee, walking backwards.
- KC3KQKcancelledGrover Washington Jr. Middle School Radio ClubPAgranted 2018-01-22cancelled 2018-02-10
Successor callsigns
Callsigns held now by people who previously held KB3GW.
- KB3OSRactiveGrover Washington Jr. Middle School Radio ClubPAgranted 2020-04-21
All historical holders
Every license row we've seen with the callsign KB3GW, oldest first.
- MONTGOMERY, WILLIAM M NM1995-05-30 → cancelled 2007-05-31
- Ockanickon Scout Reservation Radio Club PA2018-02-10 → cancelled 2020-04-21