Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4FRC callsign genealogy
Currently held by Fajardo Ham 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 KP4FRC's current licensee, walking backwards.
- WP4TJTcancelledFajardo Ham Radio ClubPRgranted 2024-07-19cancelled 2024-08-06
Successor callsigns
Callsigns held now by people who previously held KP4FRC.
No current licensee on record previously held this callsign.