Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6VSF callsign genealogy
Currently held by Del Fierro Jr, Victoriano S
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 K6VSF's current licensee, walking backwards.
- Del Fierro Jr, Victoriano SCAgranted 2016-04-05cancelled 2016-04-26
Successor callsigns
Callsigns held now by people who previously held K6VSF.
- Del Fierro Jr, Victoriano SCAgranted 2016-06-14