... output, 36nm range radar for all kinds of boats2. Rugged dle-cast, waterproof housing of marine radar3. 3 NEMA 0183 ... function SPECIFICATIONSAntenna Radiator 1. Type:54cm hybrid array 2. Rotation speed22 rpm typical 3. Wind loadRelative wind ... 8-level quantization)640(W) 480(H) dots 2. Display Modes:Head-up, Course-up*, True motion ... , 0.25, 0.5, 0.5, 1, 1, 2, 2, 3, 4, 6, 12 4. Echo TrailInterval: 15s, ...