Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4CAB callsign genealogy
Currently held by GUZMAN HERNANDEZ, JUAN
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 KP4CAB's current licensee, walking backwards.
- GUZMAN HERNANDEZ, JUANPRgranted 2021-12-01cancelled 2021-12-21
Successor callsigns
Callsigns held now by people who previously held KP4CAB.
No current licensee on record previously held this callsign.