Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4PDU callsign genealogy
Currently held by VILLALOBOS, 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 KP4PDU's current licensee, walking backwards.
- VILLALOBOS, WILFREDOPRgranted 2014-06-30cancelled 2016-02-09
Successor callsigns
Callsigns held now by people who previously held KP4PDU.
No current licensee on record previously held this callsign.