Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4MRA callsign genealogy
Currently held by ROSA ALEJANDRO, MIGUEL 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 WP4MRA's current licensee, walking backwards.
- ROSA ALEJANDRO, MIGUEL APRgranted 2021-01-19cancelled 2021-02-23
Successor callsigns
Callsigns held now by people who previously held WP4MRA.
- SALGADO, JUAN LPRgranted 2018-11-27
All historical holders
Every license row we've seen with the callsign WP4MRA, oldest first.
- ROSA ALEJANDRO, MIGUEL A PR2021-02-23 active
- SALGADO, JUAN L— → cancelled 1999-01-28