Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4MHA callsign genealogy
Currently held by Herrera-Alvarez, Miriam
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 KP4MHA's current licensee, walking backwards.
- Herrera-Alvarez, MiriamPRgranted 2018-12-18cancelled 2019-02-09
Successor callsigns
Callsigns held now by people who previously held KP4MHA.
No current licensee on record previously held this callsign.