Unfortunately for us, simply measuring a signal or looking at it on a spectrum analyser is not enough to troubleshoot or check the health of a digital system.
In order to measure BER accurately in a laboratory, a known bit pattern is continuously transmitted. The receiver compares what it knows has been sent with what should be received. If the error rate is low, that measurement can take several minutes. Even so, in the real world the receiver cannot know what bit pattern is being sent, so the actual measurement is …

Although it may cause some of our readers to get a little upset to see a dish pulled down, sometimes the time comes. And shouldnt we have a little fun doing it?
These guys pulled down a 18m (60 foot) diameter dish when they found this little gem on a  property they bought.

This is just some gratuitous destruction. Enjoy

And how can we forget these hapless fellows, who finally get it on their 4th attempt.