  The GPSMAP® 178C Sounder is a new-generation fully integrated chartplotter and powerful sonar, offering the same brilliant sunlight-readable color LCD, powerful features, and simple interface as the GPSMAP 172Call in a compact, value-priced console that leaves fish nowhere to hide. It comes standard with a built-in worldwide marine basemap and accepts MapSource® BlueChart® offshore marine cartographyfeaturing detailed depth contours, inter-tidal zones, wrecks, navaids, and many other points of interest. For small-water anglers, the GPSMAP 178C Sounder is compatible with MapSource Recreational Lakes with Fishing Hot Spotsfeaturing fishing areas, boat ramps, marinas, and hazards for hundreds of popular U.S. and Canadian lakes. Pre-programmed data cards can be easily inserted into the slot on the front of the unit. The GPSMAP 178C's sounder is a 500 watt powerhouse featuring dual frequency operation, bottom lock, automatic gain, sea surface temperature, digital displays and split screen mode. It also has all the other features you would expect from Garmin; a 12 channel WAAS receiver for accuracy up to 10 feet, simple operation, audible alarms, celestial tables and much more. One year Warranty. Size: 6.3"W x 4.9"H x 3.7"D. *The WAAS signal is currently available in the US only in open areas or on the water. |