Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4GX callsign genealogy
Currently held by Baez Garcia, Jose A
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 KP4GX's current licensee, walking backwards.
- Baez Garcia, Jose APRgranted 2005-11-21cancelled 2014-11-22
Successor callsigns
Callsigns held now by people who previously held KP4GX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4GX, oldest first.
- MERCADO, CARLOS R PR1995-05-15 → cancelled 2007-05-16
- Baez Garcia, Jose A PR2024-10-22 active