Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4TL callsign genealogy
Currently held by PABON, JESUS
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 NP4TL's current licensee, walking backwards.
- PABON, JESUSPRgranted 2017-06-23cancelled 2018-05-15
Successor callsigns
Callsigns held now by people who previously held NP4TL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4TL, oldest first.
- VALLE PEREZ, ROUBER D PR2006-02-21 → cancelled 2018-03-27
- PABON, JESUS PR2018-05-15 active