Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4ATT callsign genealogy
Currently held by TUBENS TORRES, ALEJANDRO
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 WP4ATT's current licensee, walking backwards.
- TUBENS TORRES, ALEJANDROPRgranted 2020-03-02cancelled 2020-03-31
Successor callsigns
Callsigns held now by people who previously held WP4ATT.
No current licensee on record previously held this callsign.