Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6YSB callsign genealogy
Currently held by Borsa, Silvano
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 K6YSB's current licensee, walking backwards.
- Borsa, SilvanoCAgranted 2003-10-15cancelled 2004-06-19
Successor callsigns
Callsigns held now by people who previously held K6YSB.
No current licensee on record previously held this callsign.