Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4OOS callsign genealogy
Currently held by ORTIZ SANTANA, ORLANDO
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 KP4OOS's current licensee, walking backwards.
- ORTIZ SANTANA, ORLANDOPRgranted 2021-05-21cancelled 2021-07-27
Successor callsigns
Callsigns held now by people who previously held KP4OOS.
No current licensee on record previously held this callsign.