Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4SA callsign genealogy
Currently held by SOTO SOLANO, ALEX
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 NP4SA's current licensee, walking backwards.
- SOTO SOLANO, ALEXFLgranted 2017-12-11cancelled 2017-12-29
Successor callsigns
Callsigns held now by people who previously held NP4SA.
No current licensee on record previously held this callsign.