Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4NIB callsign genealogy
Currently held by Perez, Joseph J
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 WP4NIB's current licensee, walking backwards.
- Perez, Joseph JFLgranted 2025-11-21cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held WP4NIB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4NIB, oldest first.
- PEREZ, JOSEPH J PR1996-01-12 → cancelled 2008-01-15
- Perez, Joseph J FL2025-12-09 active