Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4KW callsign genealogy
Currently held by GOMEZ, OSVALDO
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 KP4KW's current licensee, walking backwards.
- GOMEZ, OSVALDOPRgranted 2012-08-24cancelled 2020-09-15
Successor callsigns
Callsigns held now by people who previously held KP4KW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4KW, oldest first.
- CRESPO, FEDERICO PR2004-05-08 → cancelled 2016-05-11
- GOMEZ, OSVALDO PR2020-09-15 active