Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4YT callsign genealogy
Currently held by GONZALEZ, JOSEPH
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 KP4YT's current licensee, walking backwards.
- DIAZ, REYNALDOPRgranted 2026-06-26
Successor callsigns
Callsigns held now by people who previously held KP4YT.
- DIAZ, REYNALDOPRgranted 2026-06-26
All historical holders
Every license row we've seen with the callsign KP4YT, oldest first.
- GONZALEZ, JOSEPH FL2007-09-27 → cancelled 2019-11-14
- DIAZ, REYNALDO PR2025-09-30 → cancelled 2026-06-26