Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ADR callsign genealogy
Currently held by Ramos Cora, Maria
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 KP4ADR's current licensee, walking backwards.
- Ramos Cora, MariaPRgranted 2017-12-20cancelled 2018-03-06
Successor callsigns
Callsigns held now by people who previously held KP4ADR.
No current licensee on record previously held this callsign.