SSP types description
 

Hey folks,
im searching for a description about the different SSP types.
Something like that from the ASW Training Mission from Molon Labe:

Can someone point me to the right direction?

These are classic introductionary documents for any simulater subdriver:

http://www.subguru.com/missions/SCHQ_TACMAN_PDF.zip

http://www.subguru.com/BluebookR20.zip

But this is site with a more official explanation. The above is based on what is modled in the various sub games (mostly 688i and Subcommand)

See link in Bilge Rat's message below. I forgot to include it.

Look what Google dug up: From our very own Dr Sid:

http://subsim.questions.cz/sopro/doc/sopro.html

His tool to make those neat soundray patterns is here:

http://subsim.questions.cz/sopro/sopro.1.9.zip

Thank you very much Pisces, thats what i was looking for.

here is a good basic explanation:


http://www.fas.org/man/dod-101/navy/...P/snr_prop.htm

1. negative gradient: sound curves downward.


http://www.fas.org/man/dod-101/navy/...P/IMG00012.GIF

2. positive gradient: sound curves upward.

http://www.fas.org/man/dod-101/navy/...P/IMG00013.GIF

3. effect of a layer:

http://www.fas.org/man/dod-101/navy/...P/IMG00015.GIF

So google finally noticed ? Not that I was much helpfull. I should make some proper page for it. :damn:

Anyway .. if you need it for use in DW, you also need to know how all this is implemented in DW:

http://www.subsim.com/radioroom/showthread.php?t=117814

Darn!, I meant to include the link. But somehow forgot at the last minute. Thanks Bilge Rat

The basic basic ML-version explanation of the other two types would be:

CZ: Very long detection ranges on both sides of the layer. The top layer is still the same surface duct from the Surface Duct SSP type, the bottom is a "sound channel" unique to the CZ SSP type, and I think the sound channel is a bit stronger than the surface duct, but it's close. This CZ SSP type also produces convergence zone contacts. This takes the form of concentric bands around a contact, within which you will receive a stronger signal from that contact. These bands occur at 30nm intervals are are probably about 1nm wide.

BL: No layer. Detection ranges in this SSP type vary mostly depending on Bottom Type. Rock bottom type will cause long detection ranges; almost has high as a duct. Mud and Sand result in very short detection ranges (no, there really isn't a middle ground), with Sand being slightly worse IIRC (not much of a difference).

Wow, thank you again for all that information.
I will read that stuff and maybe came again with a couple of questions :)