Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6FTW callsign genealogy
Currently held by Harris, Jason C
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 W6FTW's current licensee, walking backwards.
- Harris, Jason CCAgranted 2021-04-12cancelled 2021-05-04
Successor callsigns
Callsigns held now by people who previously held W6FTW.
- Vieira, Phillip RCAgranted 2019-03-09
All historical holders
Every license row we've seen with the callsign W6FTW, oldest first.
- Vieira, Phillip R CA2010-07-07 → cancelled 2019-03-09
- Harris, Jason C CA2021-05-04 active