Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4SNP callsign genealogy
Currently held by MUNIZ DEL VALLE, ISABEL 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 WP4SNP'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 WP4SNP.
- MUNIZ DEL VALLE, ISABEL MPRgranted 2022-12-20