Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4FYT callsign genealogy
Currently held by SILLA JR, JON F
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 W4FYT's current licensee, walking backwards.
- SILLA JR, JON FNCgranted 2005-06-28cancelled 2011-08-30
Successor callsigns
Callsigns held now by people who previously held W4FYT.
No current licensee on record previously held this callsign.