Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4KX callsign genealogy
Currently held by GONZALEZ VELAZQUEZ, AURELIO
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 NP4KX's current licensee, walking backwards.
- GONZALEZ VELAZQUEZ, AURELIOPRgranted 2022-07-28cancelled 2022-08-16
Successor callsigns
Callsigns held now by people who previously held NP4KX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4KX, oldest first.
- GONZALEZ VELAZQUEZ, AURELIO PR2006-09-05 → cancelled 2017-09-28
- GONZALEZ VELAZQUEZ, AURELIO PR2022-08-16 active