uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AI5JU callsign genealogy

Currently held by RODRIGUEZ PEREZ, ROBERTO

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 AI5JU's current licensee, walking backwards.

  1. KI5YICcancelled· E
    RODRIGUEZ PEREZ, ROBERTOTXgranted 2017-07-15cancelled 2023-01-23
  2. NP3RGcancelled· G
    RODRIGUEZ PEREZ, ROBERTOTXgranted 2017-07-15cancelled 2022-10-04

Successor callsigns

Callsigns held now by people who previously held AI5JU.

  1. N5BTScancelled· E
    RODRIGUEZ PEREZ, ROBERTOTXgranted 2023-02-14cancelled 2023-05-31
← Back to AI5JU License history →