Antenna Tuner (SAT-100): This must be installed as close to the antenna base as possible. Short lead-in wires minimize RF loss and prevent interference with other shipboard electronics. Electrical Wiring and Power Requirements

“No,” Yeong-ho replied, tapping the binder. “I listened to the sea’s new language.”

Take the vessel out of the marina. With clear sky, the SRG-1150DN should show HDOP (Horizontal Dilution of Precision) below 1.5. If HDOP is >4, you have interference from onboard electronics. Turn off your fish finder or radar to isolate the noise source.

That night, the captain took the manual to his bunk. He didn’t sleep. He read about differential GPS, SBAS correction, and antenna gain patterns. By dawn, he knew the SRG-1150DN better than his own charts.