IT IS really frustrating travelling from Lochgilphead to Campbeltown to watch the mobile signal go from four bars of 4G to 3G+ at best.
Similarly, in Gourock, perfect 4G is possible but just across the water in Dunoon, on Saturday, the mobile signal veered from 3G to G.
Yet, as Nick Ferguson says, in the Himalayas and Alps, 4G is possible because of higher mast heights.