Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4POH callsign genealogy
Currently held by NIEVES, WILFREDO
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 WP4POH's current licensee, walking backwards.
- NIEVES, WILFREDOPRgranted 2015-11-03cancelled 2015-11-04
Successor callsigns
Callsigns held now by people who previously held WP4POH.
- NIEVES, WILFREDOPRgranted 2026-01-10