Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4OLA callsign genealogy
Currently held by Sanchez-Acosta, Ivonne
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 WP4OLA's current licensee, walking backwards.
- Sanchez-Acosta, IvonnePRgranted 2011-04-25cancelled 2011-08-09
Successor callsigns
Callsigns held now by people who previously held WP4OLA.
No current licensee on record previously held this callsign.