Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4AVA callsign genealogy
Currently held by ALFREDO VIVONI ACOSTA MEMORIAL RADIO CLUB
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 KP4AVA's current licensee, walking backwards.
- WP4SAScancelledALFREDO VIVONI ACOSTA MEMORIAL RADIO CLUBPRgranted 2021-08-30cancelled 2021-09-17
Successor callsigns
Callsigns held now by people who previously held KP4AVA.
No current licensee on record previously held this callsign.