Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4GT callsign genealogy
Currently held by GONZALEZ MARTINEZ, GLADYS
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 NP4GT's current licensee, walking backwards.
- TORRES-RAMOS, GLIDDEN APRgranted 2012-07-06cancelled 2018-03-20
Successor callsigns
Callsigns held now by people who previously held NP4GT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4GT, oldest first.
- GONZALEZ MARTINEZ, GLADYS PR1988-03-15 → cancelled 2000-03-16
- TORRES-RAMOS, GLIDDEN A PR2018-03-20 active