What is the Sonar Log Harvester?
Some Lowrance GPS combo units have a recording sonar that has the capability to log (save) all their sonar (depth recorder) data to a memory card. This creates a very large file on the card (for example 300 MB) containing all the sonar data for a whole day’s trip. You can use the free SonarViewer from Lowrance.com to replay all the sonar data. This gives you the ability to find all the places where you passed over a ledge or wreck and save that data to a LoranGPS file. You might not have been watching the sonar screen when going over something interesting, but it is captured nonetheless. SonarViewer version 1.2.2 allows you to play back and adjust the settings of any sonar log file recorded with the LCX-104C, LCX-110C, LCX-111C HD, LCX-15CI, LCX-15MT, LCX-16CI, LCX-17M, LCX-18C, LCX-19C, LCX-20C, LCX-25C, LCX-26C HD, LCX-27C, LCX-38C, LCX-28C HD, LMS-240, LMS-320, LMS-320DF, LMS-330C, LMS-332C, LMS-335CDF, LMS-337C DF, LMS-480M, or LMS-480MDF. By pausing and hovering the cursor over th
