Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4FIU callsign genealogy
Currently held by VELLON, Silvia
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 K4FIU's current licensee, walking backwards.
- VELLON, SilviaFLgranted 2005-05-31cancelled 2007-06-26
Successor callsigns
Callsigns held now by people who previously held K4FIU.
No current licensee on record previously held this callsign.