Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4SNN callsign genealogy
Currently held by GUZMAN CRUZ, ANTONIO J
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 WP4SNN'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 WP4SNN.
- GUZMAN CRUZ, ANTONIO JPRgranted 2022-11-26