The links are working fine for me. If you are having trouble opening them it might be your data prevention settings, or it could be that you need to update your software. You should be able to view them just by clicking on the arrow at the center of the screne. If not, then the problem is appears to be on your end?
Excal 1000, Excal II, Sovereign GT, CZ-20, Tiger Shark, Tejon, GTI 1500, Surfmaster Pulse, CZ6a, DFX, AT PRO, Fisher 1235, Surf PI Pro, 1280-X, many more because I enjoy learning them. New Garrett Ca