Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6FAS callsign genealogy
Currently held by SANCIANGCO, FERNANDO A
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 W6FAS's current licensee, walking backwards.
- SCHARLACH, FRANK ACAgranted 2014-11-05cancelled 2019-03-22
Successor callsigns
Callsigns held now by people who previously held W6FAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6FAS, oldest first.
- SANCIANGCO, FERNANDO A CA2006-09-12 → cancelled 2018-09-13
- SCHARLACH, FRANK A CA2019-03-22 active