The screw is inadequate for my 7mm PRC, but I found that electrical tape was very effective in keeping the parabolic on mine.

I agree its not as easy as the LabRadar, but I have found a way to do it in Excel without too much effort. Here's how: * Export the BulletTracker file as a csv, then open the file in Excel * Select the first 3 columns and as all the rows that contain data * Then using "Format as Table" construct a table with headers * Using the header in the first column, likely titled "String" uncheck the "Select All" box * Next check the "Mean Speed" box, all the other data will be hidden and only the average speed will be displayed in the 'B' column. * The data is now in a structure similar to the LabRadar's format.