Garmin GPSMAP 178/178C Sounder utilizes the proven performance of Garmin GPS and full-featured map- GA 29 Remote External Antenna and 30' cable. Garmin GPSMAP 178c GPS Marine Receiver Chartplotter 178 Fishing Boating 276c 498. 9.95 FRONT PART CASE for Garmin GPSmap 178c sounder GPS MARINE ANTENNA - GPS BASE STATION ANTENNA - BNC CONNECTION. The GPSMAP 178C is a combination GPS and dual frequency (50/200kHz) fishfinder. The sounder features adjustable range, gain, zoom and bottom.
Order Garmin GPSMap 178C Sounder at GPS CENTRAL in Canada! Built-in The GPSMAP 178C Sounder is a new-generation fully integrated chartplotter and sonar, offering the same brilliant 3.2" W x 3.2" H (4.5" diagonal) viewing area Remote antenna with 30' cable or integrated GPS sensor User's manual. Sep 6, 2004 2.84 (external antenna with single-frequency transducer) The Garmin GPSMAP 178C Sounder is a combination unit consisting of both a that's all packaged into a decent sized chassis of 6.3" x 4.9" x 3.7" (W x H x D). comes with a detailed and straightforward owner's manual, along with a table. Version. GPSMAP 178C, External Antenna, Single Freq. The 178C comes with a built-in sounder with Garmin's exclusive See-Thru® fish targeting technology.