Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW9BSA callsign genealogy
Currently held by Troop 839 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 KW9BSA's current licensee, walking backwards.
- KI5COJcancelledTroop 839 Radio ClubTXgranted 2018-12-14cancelled 2019-02-09
Successor callsigns
Callsigns held now by people who previously held KW9BSA.
No current licensee on record previously held this callsign.