From my point of view it doesn't. I can't make any sense of what's on the screen at all, it may as well be a waveform on an oscilliscope because I wouldn't have a clue what I was looking at there either. Those guides you posted don't look anything like what's on my screen most of the time, there's a lot more interference with it that makes the entire screen meaningless.
It makes the SRV a complete waste of time for me, 2 hours to find 2 nodes, neither of which even gave me even one piece of Germanium. It's no wonder people are asking to buy the materials instead of trading them.
It would help if we could trade anything for anything, I have more high wake scans than I know what to do with, but they can only be traded at a certain type of trader and I don't need the items they will supply in return. If I could trade the result of high wake scans for materials, then I could actually do something because I know how to scan wakes and flying around a station getting those would be worth my time.
@Eliza: I am not an explorer, I am a trader, but even a trader needs more range on the FSD sometimes. That means engineering mods and that means going down on a planet to get mats for them.