Dec

18

Radar That Wasn’t on the Radar


Posted by at 5:12 pm on December 18, 2006
Category: Wassenaar

Illustration of a passive radar systemThe December 2006 Wassenaar Plenary made a number of changes to the Waasenaar control lists, and as I noted on Friday, I’ve been going through the changes to find anything of interest. One change of interest (particularly to Lockheed Martin) is the addition of a new category 5.a.1.g. which controls:

Passive Coherent Location systems or equipment specially designed for detecting and tracking moving objects by measuring reflections of ambient radio frequency emissions, supplied by non-radar transmitters.

Passive coherent location systems are more commonly known as passive radar systems. Unlike conventional radar which relies on a radio signal transmitted by the radar system, a passive radar system uses radio signals by other existing transmission sources, typically television and radio stations. Lockheed Martin’s Silent Sentry is a passive radar system which Lockheed began to sell in 1999.

As receiving equipment and the necessary signal processing equipment have become smaller, cheaper and more powerful, passive radar represents a highly-mobile, extremely sensitive and almost completely covert method for tracking moving objects such as airplanes and helicopters. Moreover, passive radar systems can detect low-flying stealth aircraft.

Frankly, we are a little surprised that it took this long for such a technology to wind up on an export control list.

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Copyright © 2006 Clif Burns. All Rights Reserved.
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One Comment:


It be kind of nice if BIS would issue the addition to the CCL in proposed form with opportunity for comment, as required by Section 13 of the EAA as well as the Administrative Procedures Act, so that industry could have some input for a change, instead of just issuing a fiat in final form.

Comment by Mike Deal on December 18th, 2006 @ 9:47 pm