Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4JM callsign genealogy
Currently held by VELEZ-MENDEZ, JONATHAN
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 NP4JM's current licensee, walking backwards.
- VELEZ-MENDEZ, JONATHANPRgranted 2011-08-29cancelled 2017-02-07
Successor callsigns
Callsigns held now by people who previously held NP4JM.
No current licensee on record previously held this callsign.