Make sure Java is installed in your browser. You can check it on the Verify Java Version page.
Due to the Java Security Policy, the applet will be blocked by security settings. You need to add the iguassu site to the trusted list. Click here for instructions.

The upgraded version of the SBAS Simulator including dual-frequency support is available here.

> You need to enable Java in your browser to see the SBAS Simulator applet. If you have not Java installed, go to the Java download page.