Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4WVE callsign genealogy
Currently held by Villafane Esquilin, Walter
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 KP4WVE's current licensee, walking backwards.
- Velez-Rivera, WilfredoPRgranted 2021-06-01cancelled 2021-06-29
Successor callsigns
Callsigns held now by people who previously held KP4WVE.
- Villafane Esquilin, WalterPRgranted 2020-12-30
All historical holders
Every license row we've seen with the callsign KP4WVE, oldest first.
- Villafane Esquilin, Walter PR2010-06-19 → cancelled 2011-02-05
- Velez-Rivera, Wilfredo PR2021-06-29 active