Connecting to your Go! device you see your signal strength (5 bars is needed) and you simply click for download. The file request should not be bigger than 40kb (or it will consume to many satellite minutes). A 5 kb file as in this case takes around 30-40sec, and once downloaded you don´t need to engage any grib wiever. The offshore app will simply present the whole file you requested acting also as a grib wiever. All data in the file is presented in a very user friendly way. Wind,rain,clouds and pressure doesn´t take to much space but adding swell will double the size of the file. When in 3G contact where files can be downloaded over the web this is not an issue,but when devoted to satellite the size of the file is of great concern.
We will run this system now while on passage through the Mediterranean and revert with our experiences.