Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4SZY callsign genealogy
Currently held by MARCIAL PEREZ, GRISEL
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 WP4SZY's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WP4SZY.
- MARCIAL PEREZ, GRISELPRgranted 2026-06-09