Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4TY callsign genealogy
Currently held by MONTERO RODRIGUEZ, FELIX G
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 NP4TY's current licensee, walking backwards.
- MONTERO RODRIGUEZ, FELIX GAKgranted 2013-08-29cancelled 2020-11-17
Successor callsigns
Callsigns held now by people who previously held NP4TY.
- MONTERO RODRIGUEZ, FELIX GAKgranted 2021-10-19