SUBSIM Radio Room Forums - View Single Post - Does thermal layer mask sub from active sonar aswell?

Dr.Sid · 06-15-07, 10:59 AM

Hm .. 50Hz has wavelength of 30m. From what I've read surface duct can be shallower, but even deeper. From theoretical point of view this is really not easy to tell. 5 Hz would not be trapped at any time. 500 Hz will be trapped practically always.

06-15-07, 10:59 AM	#9
Dr.Sid The Old Man Join Date: May 2005 Location: Czech Republic Posts: 1,458 Downloads: 6 Uploads: 0	Hm .. 50Hz has wavelength of 30m. From what I've read surface duct can be shallower, but even deeper. From theoretical point of view this is really not easy to tell. 5 Hz would not be trapped at any time. 500 Hz will be trapped practically always.