Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4OTA callsign genealogy
Currently held by On The Air Of Puerto Rico
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 KP4OTA's current licensee, walking backwards.
- WP4SGFcancelledOn The Air Of Puerto RicoPRgranted 2022-04-04cancelled 2022-04-23
Successor callsigns
Callsigns held now by people who previously held KP4OTA.
No current licensee on record previously held this callsign.