M2 System in Central California (IMAGE) Mar Communications Caption Marine Monitor (M2) Radar System monitored activity near the Piedras Blancas Light Station in central California. Credit ProtectedSeas Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.