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Space Environment Technologies
CAPS / ES4D - caps_ops Gateway
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Space Environment Corporation
Space Environment Corporation

Welcome to the Operational CAPS/ES4D Gateway

This gateway to SET's premier Communication and Prediction System (CAPS) and Earth Space 4-D (ES4D) Google Earth application is dedicated to supporting SET customers requiring access to real-time operational ionospheric services.

Please login by visiting:

Current Server Status

Important Notice: Many TEC-related data are no longer available. Please see the CAPS notice regarding TEC-related data access at: