Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4PB callsign genealogy
Currently held by Rivera Luquis, Maximino
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 KP4PB's current licensee, walking backwards.
- WP4TJScancelledMoca Ham Radio ClubPRgranted 2024-07-19cancelled 2024-08-06
Successor callsigns
Callsigns held now by people who previously held KP4PB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4PB, oldest first.
- Rivera Luquis, Maximino PR2008-01-29 → cancelled 2020-04-22
- Moca Ham Radio Club PR2024-08-06 active