Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0BSA callsign genealogy
Currently held by SCHUMAN, JACK G
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 W0BSA's current licensee, walking backwards.
- KC0ODVcancelledLongs Peak BSA Radio ClubCOgranted 2002-09-30cancelled 2002-12-18
Successor callsigns
Callsigns held now by people who previously held W0BSA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0BSA, oldest first.
- SCHUMAN, JACK G CO1994-05-17 → cancelled 2002-06-08
- LONGS PEAK BSA RADIO CLUB CO2022-04-06 active