American sail sonar

[greenman407]

Came across this pic the other day. Its small and fuzzy but I tried to clean it up as much as I could. Does this look familiar to any of you career sub guys?

[BDFguy]

That would be the later version of the BQS-15A, the upper 8 sections are the Massa EC-20 receive modules and the cylinder is the active portion. This was a large improvement over the previous array.
Prior to that the BQS-15 CTFM section had a flat faced trainable (up-down & left-right) array that was prone to flooding in the train drive motor sections, also sometimes noisey, we called it the nodding idiot.

[greenman407]

So the one pictured was an early "phased array type"?

[BDFguy]

No, the one pictured is the most recent array being used which also required a lot of mods to the beam forming system.

[greenman407]

Thats amazing! Is "Homeland Security" going to trace this to my computer and Kick the door in?

[BDFguy]

That's possible Mark, just keep an eye open for black SUV's and quiet black helo's.

Actually same products info available + more at: www.massa.com/reports also some good stuff on all the goodies being stuffed into the bow dome on the BLOCK III Virginia class in the report.

[Moe DeLaun]

Hmmm..that link konked out (the Men In Black have found it!!!)

I remain fascinated by the USS Triton (SSRN 586), and one of its many peculiarities was its ginormous radar -- it was a one-of-a-kind radar-picket nuke, as well as the star of the 1st submerged circumnavigation with Capt. Ed Beach in command: