Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BLS callsign genealogy
Currently held by Silverstein, Brian
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 K7BLS's current licensee, walking backwards.
- Silverstein, BrianORgranted 2007-03-14cancelled 2007-11-02
Successor callsigns
Callsigns held now by people who previously held K7BLS.
No current licensee on record previously held this callsign.