Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4CH callsign genealogy
Currently held by NIEVES, GREGORIO
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 WP4CH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WP4CH.
- NIEVES, GREGORIOPRgranted 2008-05-29cancelled 2013-03-16