Troll Master Depth Calculator funktioniert nicht

This app uses physics based calculations to determine the trolling depth of your lure with precision based on your inputs.  Quickly and easily see the effect of changing line length, speed, weight, leader length, rod height, lures and many other factors.  The app has many features for walleye, trout, salmon, striped bass, red drum, tuna, wahoo, and pretty much any other species you might troll for.  This app lets you select your line, your lure, a diver or trolling weights, and then combine them however you want.  Use it on the water to calculate your depth or use it at home to construct your own dive charts.  The most comprehensive trolling app on the market!  The app is continually improved and new lures and tackle are added regularly.  This is a great app for anyone who fishes in saltwater, freshwater, or anywhere in between.  The calculations have been verified via on the water testing.