As im sure you are all aware from my previous posts I am now interrogating the method and uses of downriggers. My question this time relates to the amount of weight used and the angle of line when entering the water. Depending on circumstances it is quite clear that at different times different weights would be used to counteract the tidal range at that particular moment. Given this variety , different weights would ( depending on the tide ) have to be used. How then is it possible to accurately predict the depth of the rig fishing ( even with a counter rigged to it ) given the fact that a larger weight would be used. At this point then is there a method used to calculate the line angle to ascertain depth and the right fishing speed?