Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4LI callsign genealogy
Currently held by Lugo-Cruz, Frank
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 KP4LI's current licensee, walking backwards.
- Lugo Cruz, FrankPRgranted 2022-11-23cancelled 2022-12-13
Successor callsigns
Callsigns held now by people who previously held KP4LI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4LI, oldest first.
- FORESTIER, ISRAEL F PR1996-07-29 → cancelled 2008-07-30
- Lugo-Cruz, Frank PR2022-12-13 active