Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4JSD callsign genealogy
Currently held by Segui-Diaz, 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 KP4JSD's current licensee, walking backwards.
- Segui-Diaz, Jose APRgranted 2018-06-04cancelled 2018-07-10
Successor callsigns
Callsigns held now by people who previously held KP4JSD.
No current licensee on record previously held this callsign.