Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY4L callsign genealogy
Currently held by Ruiz, Fernando M
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 WY4L's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WY4L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WY4L, oldest first.
- DIAZ, JESUS M FL2013-10-31 → cancelled 2026-03-06
- Ruiz, Fernando M FL2026-04-10 active