[in_vino_vomitus]

They say if you expect the worst you're only going to get pleasant surprises and I've found that that's true to a certain extent. There's no joy attached to getting a dud when you've got course and speed nailed and you're positioned for a perfect shot, but on those occasions when you have less time to work a solution and your data are of dubious quality, when your sonar operator reports a dud, then you can console yourself with the thought that at least you hit the damned thing.

On a related note I'm starting to love the TDC more and more, or more accurately the PK. It makes it far easier to assess the quality of my guesswork.......