Sure...I was a teacher of that, I mean perspective
and I can tell you that one is shorter than the other.
For having your anchor seriously tested is pretty easy: you have just to send a letter to the main sail magazines that make anchor testing regularly and say that you would like to have your anchor tested on the next group of anchor testing. That you are available to send them an anchor with the right dimensions for the effect and that you are, at the same time asking them to notify you regarding the convenient date. Not dificult