Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP3UA callsign genealogy
Currently held by GUTIERREZ DURAN, HECTOR 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 NP3UA's current licensee, walking backwards.
- GUTIERREZ DURAN, HECTOR MPRgranted 2015-10-17cancelled 2022-02-23
Successor callsigns
Callsigns held now by people who previously held NP3UA.
- GUTIERREZ DURAN, HECTOR MPRgranted 2015-10-17cancelled 2022-02-23
All historical holders
Every license row we've seen with the callsign NP3UA, oldest first.
- GUTIERREZ DURAN, HECTOR M PR2007-11-28 → cancelled 2015-10-17
- GUTIERREZ DURAN, HECTOR M PR2022-02-23 active