Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4DP callsign genealogy
Currently held by PEREZ, DENNIS R
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 WP4DP's current licensee, walking backwards.
- PEREZ, DENNIS RPRgranted 2009-08-24cancelled 2010-05-04
Successor callsigns
Callsigns held now by people who previously held WP4DP.
- PEREZ, DENNIS RPRgranted 2010-05-04cancelled 2013-06-11
All historical holders
Every license row we've seen with the callsign WP4DP, oldest first.
- HERNANDEZ JR, LUIS R PR1997-01-14 → cancelled 2009-01-15
- PEREZ, DENNIS R PR2010-05-04 → cancelled 2011-04-02