Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4QQ callsign genealogy
Currently held by Puerto Rico QRP DX 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 KP4QQ's current licensee, walking backwards.
- WP4PKEcancelledPuerto Rico QRP DX Radio ClubPRgranted 2015-05-14cancelled 2015-06-06
Successor callsigns
Callsigns held now by people who previously held KP4QQ.
No current licensee on record previously held this callsign.