Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4SGY callsign genealogy
Currently held by GARCIA YULFO, ALEXIS
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 WP4SGY's current licensee, walking backwards.
- GARCIA YULFO, ALEXISPRgranted 2022-03-07cancelled 2022-03-25
Successor callsigns
Callsigns held now by people who previously held WP4SGY.
No current licensee on record previously held this callsign.