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Designers and Manufacturers of Microwave Antennas and Related Components

MAJOR PROJECTS

Qualcomm OmniTrak(tm) Antenna

This antenna assembly is in KU-Band Dual frequencies of 11.7-12.2 GHz and 14.0-14.5 GHz using only 1W of power. The application of the antenna is to system link a vehicle with a satellite that provides a transactional interface to send and receive messages and view vehicle locations.


Interferometic Synthetic Aperture Radar (IFSAR)

The fine resolution Interferometic Synthetic Aperture Radar (IFSAR) image of the University of Michigan football stadium in Ann Arbor was collected and processed using the ERIM Data Collection System (DCS).

IFSAR can rapidly provide 3-D images of objects and terrain elevation for a variety of civilian and military applications. The DCS is a multi-mode, ultra-fine resolution, airborne SAR, that has been jointly developed by MSC, ERIM and the U.S. Air Force Wright Laboratory. ERIM and U.S. Air Force Wright Laboratory jointly operate the new system.

The DCS has been used for over 20 years to support a variety of U.S. Government sponsors and agencies and was the first system in the world to demonstrate SAR imaging at 1-foot resolutions. The DCS is installed on an ERIM owned Convair CV-580 aircraft and can be operated in either X or Ku bands

The radar is capable of collecting imagery in spotlight, stripmap, scan, and hopping spot collection modes. The system is fully polarimetic and interferometric when operating at X-band.

DATA:

Frequency: X-Band
Resolution: 1 meter
Polarization:VV & HH sum
Image Size:600 x 800 meters
Altitude:20,000 feet MSL
Grazing Angle:45 degrees
Range:5 nautical miles


JTIDS Shipboard Antenna

MSC wins the bid for meeting the Naval Ocean Systems Center (NOSC) for the JTIDS Shipboard Antenna. The Joint Tactical Information Distribution System is a jam-resistant severe environment communication, navigation; identification system is currently under development. Singer-Kearfott of Wayne, New Jersey is the prime contractor for the terminal. Two classes of system are to be developed for the Fleet. An airborne system and a shipboard system. The airborne system is the responsibility of Grumman Aircraft, Bethpage, New York. The shipboard system is the responsibility of NOSC, San Diego, California.

The contract is for the fabrication of 10 Fiberglass Bicone Antennas and Radomes. The Bicone design is wrapped around the mast of the ship to allow a uniform phase coherent transmission in a spherical pattern from 15 degrees below the Plane-of-horizon to the vertical plane.

The JTIDS program has under gone numerous changes over the past three years. Originally, Hughes and ITT had the development effort for the NAVY terminals and antenna systems. The terminal contract was cancelled in 1986, but the shipboard antenna effort was still maintained by ITT. SPAWAR was concerned about the performance of the ITT antenna and tasked NOSC to analyze its performance.

During that effort, NOSC was tasked to investigate alternative designs as a backup if the ITT design would not perform up to the required specifications. In October 1987, NOSC was selected to develop the JTIDS Shipboard antenna.

As part of the alternative study prior to canceling the ITT effort and selecting NOSC, two competitive contracts were placed in 1987, one for a Bicone and another for the Radome. Microwave Specialty Corporation of San Marcos, California was selected from two respondents as the contractor for both contracts


Transportable Earth Station

Transportable Earth Station Under Construction MSC and PSSC. MSC and PSSC's technical groups in Denver are now building a mobile unit capable of accessing all domestic commercial satellites. The Transportable Earth Station (TES) will consist of a trailer body 25 feet long pulled by a pickup truck, a five-meter antenna manufactured by MSC, frequency converters, baseband equipment, on-board generators and color television cameras and monitors allowing full production capability.

The cameras and other video production equipment will be removable and do double-duty in the mini-studio recently constructed at PSSC's Network Control Center in Denver. TES will offer mobility, frequency agility, multiple band satellite operation and a variety of video, audio and data services to users.

Services will be possible using both 4/6 GHz and 12/14 GHz bands. TES will have audio and data transmission capability to existing RCA Satcom and Western Union Westar satellites. Video transmission will be possible for the SBS and Advanced Westar satellites, both of which are spacecraft of the 1980's. TES will receive audio, video and data from all domestic satellites.

Typical applications will include on-premises video production, video uplink at 14 GHz, monaural or stereo uplink and downlink, slow-scan video transmission, data transmission, and emergency or disaster communications.

National Public Radio, which began linking its 217 stations via satellite in May 1979, will work with PSSC to use TES as a mobile radio unit to originate remote programming for NPR where there is no permanent uplink nearby. The transportable earth station is being built as part of PSSC's Application System Verification and Transfer contract with NASA. Construction is expected to be complete in January 1980.


High Power Microwave (HPM)

MSC is awarded contract to design and manufacturer a forty-eight-element phased array HPM projector with variable geometric and phase focusing capabilities.

A versatile High Power Microwave (HPM) large-scale lethality demonstration facility is being commissioned at the TRW hazardous test site in Capistrano. A multiyear operations and maintenance contract provides a convenient vehicle for all the U.S. military services and other Government agencies to have quick and near-term access in the utilization of this facility for the comprehensive exposure of specific targets of interest to HPM radiation.

The facility is constructed around the free world's most powerful phased array HPM beam projector. The installed MSC system produces a kilojoule of microwave energy per pulse at a fixed frequency of 2.856 GHz. HPM is generated by three ITT-2960 klystrons, each producing up to 32 MW power in 10 us pulses, followed by three ITT-2966 resonant pulse compressors that yield up to 9:1 power multiplication and are operated by milliwatt switching. An upgraded is system is also planned, based on the use of 12 identical stations similar to the three stations now installed. Microwave generated power is equally distributed among MSC's 48 phased array elements, each consisting of 6-foot diameter parabolic dishes. The array has both geometric and phase focusing capabilities and provides fully flooded target illumination at substantial irradiance levels. A target holding tower also provides the capability to fully rotate and elevate targets for comprehensive exposure testing.

Facility utilization by qualified users will be made available starting in the summer of 1998. A rigorous set of diagnostics and fiber optics telemetry will also be available to users. Utilization will be conducted at a predetermined rate with terms and schedules set by the U.S. Navy SPAWAR Systems Command PMW-145 organization.

MSC works closely with the Department of the Navy Space and Naval Warfare Systems Command (SPAWAR) in developing standard and custom antenna configuration.


U.S. Air Force's Combat Talon II Aircraft Antenna

MSC takes the U.S. Air Force's Combat Talon II Aircraft antenna concept and develops design. The final design is a pencil beam fire control dual polarization monopulse antenna and shaped beam – ground map dual polarization CSC2COS antenna.

The mission of the Combat Talon II aircraft will involve a global, day and night, adverse weather ability to airdrop and airland personnel and equipment in support of special operations forces.

The Combat Talon II MC-130H airframe will be a derivative of the C-130H. Prior to delivery of the airframe to IBM as government-furnished equipment, Lockheed Corporation modifications will add capability for high-speed, low level airdrops, air-to-air refueling, explosion-suppressive fuel tanks, and dual exterior lighting. Modifications to allow the installation of the avionics systems will then be made.

The advanced cockpit design will feature highly automated controls and displays to reduce crew workload. The entire cockpit and cargo areas will be compatible with night vision goggles (NVG).

The integrated Control and Display subsystem combines basic aircraft flight data, tactical data, and mission sensor data into a comprehensive set of display formats that will assist each operator in performing tasks in an efficient manner. The subsystem is divided into two primary subsets: the pilot and copilot displays located on the cockpit instrument panel; and the navigator /electronic warfare operator consoles, and located on the aft flight deck. All stations have two displays and a data-entry keyboard, while the electronic warfare operator (EWO) has a single integrated video display, data-entry keyboard, and a second video display dedicated to electronic warfare data.

Integral to each video display is a bezel switch that contains 21 variable-function, software-controlled switches. Key legends are shown on the video display next to each switch to indicate the current switch functions. The five switches in the top row are used for the primary display mode selection, while the eight switches on each side provide controls appropriate to the selected primary display mode.

The navigator uses radar ground map displays, forward-looking infrared displays, tabular mission-management displays, and equipment-status information. The EWO displays are used for display of electronic warfare data and to supplement the navigators in certain mission critical phases.


Sea Launch Weather Radar

Microwave Specialty Company
520 E. Carmel St.
San Marcos, California 92078-4499
Voice (760) 744-1544 - Fax: (760) 744-1565
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