Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4AAA callsign genealogy
Currently held by VIERA, ERNESTO
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 KP4AAA's current licensee, walking backwards.
- MARTINEZ, SUZANNE QPRgranted 2022-03-15cancelled 2025-07-19
Successor callsigns
Callsigns held now by people who previously held KP4AAA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4AAA, oldest first.
- VIERA, ERNESTO PR2000-03-02 → cancelled 2012-04-11
- Martinez, Edgar PR2013-05-29 → cancelled 2025-05-30
- MARTINEZ, SUZANNE Q PR2025-07-19 active