March 2010

CASE STUDY, MARK Resources High Speed Target Acquisition and Tracking System radar

MARK Resources, Inc. was founded in 1974 by several experienced engineers who wanted to establish a creative
work environment for advancing state-of-the-art radar system technology. Today, MARK Resources has a
worldwide reputation for excellence in radar-related engineering R&D. Based in Torrance, California, USA the company
has built a team of productive professionals with unique qualifications and an exceptional record of achievement
in three principal technical areas: radar signal processing, radar simulation, and radar systems.

MARK Resources has mounted a set of antennas developed by Cobham Antenna Systems, Microwave Antennas
in an array on a specially designed frame to meet the requirements for their new radar system.

The radar is officially called the High-Speed Target Acquisition and Tracking System (abbreviated as HSTAT
system), developed under the SBIR program with the US Air Force. It is designed to image and track multiple
clustered objects. MARK Resources advise that the antenna array is working exactly as required.

In order for the radar to meet its performance specification Cobham Antenna Systems, Microwave Antennas had
to design the antennas and frame to guarantee that isolation between the C-Band transmit antenna and all five
receive antennas was at least 70dB. The spacing between the antennas combined with the 20 degree beams for
each ensured that this critical specification was met. Cobham AS Microwave Antennas utilised its state of the art anechoic
test chamber to test for high level isolation.

HSTAT radar featuring antenna framework, at MARK Resources test site	Directional antenna, FPA19-55V/448 has high gain and vertical polarisation

MARK Resources Inc


Contact us direct for more information: newmarket.sales@cobham.com, or telephone +44 (0)1638 732177.