Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ZA callsign genealogy
Currently held by SANTANA LOPEZ, 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 KP4ZA's current licensee, walking backwards.
- SANTANA LOPEZ, JOSE APRgranted 2016-07-26cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held KP4ZA.
- SANTANA LOPEZ, JOSE APRgranted 2016-07-26cancelled 2019-02-20
All historical holders
Every license row we've seen with the callsign KP4ZA, oldest first.
- SANTANA LOPEZ, JOSE A PR2013-09-09 → cancelled 2016-07-26
- SANTANA LOPEZ, JOSE A PR2019-02-20 active