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<h1>GPS and Navigation Products</h1>
<h2>GPS Antennas</h2>
<p>Our dual-band antennas have some of the best performances of any antenna available today. The multiband L1, L2, L5 or L1, L2 and cellular bands enjoy performance measures similar to our dual-band antennas.
<br><br>
We manufacture a variety of array and beamforming antennas both for L1 and for L1 and L2 bands. These arrays are available in 4-element, 7-element, and 14-element configurations. They can also be user-configured. We provide GPS antennas integrated with cellular and other bands based on user needs.
<br><br>
<a href="antennagpsband.html">GPS and Cellular Antennas</a>
<br><br>
<h3>Papers</h3>
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<ul>
<li> �Development of Reconfigurable Fractal Antenna with Conformal Structure.� Final Report, Wright-Patterson AFB, Contract #F33615-01-C-1873. October 2003.
<li> �Reconfigurable Fractal Antenna with Conformal Structure.� Final Report, Wright Patterson AFB, Contract #F33615-01-C-1873. May 2004.
<li> Ganguly, S., Y. Lee, and R. Mittra. �Multiband L5-capable GPS antenna designs.� ION GPS/GNSS 2003, Portland, OR. 2003.
<li> Lee, Y. and S. Ganguly. �Analysis of a Plasma Column Antenna Using FDTD Method.� <i>Microwave and Optical Technology Letters </i>46.3 (August 2005): 252-259.
<li> Lee, Y. and S. Ganguly. �Design of a Direction Independent Uniform Scan Array.� ION GNSS 2005, Long Beach, CA. 2005.
<li> Lee, Y. and S. Ganguly. �FDTD Analysis of a Plasma Column Antenna.� IEEE AP-S International Symposium, Washington, DC. 2005.
<li> Lee, Y. and S. Ganguly. �Multiband L5 Capable GPS Antenna with Reduced Backlobes.� IEEE AP-S International Symposium, Washington, DC. 2005.
<li> Lee, Y. and S. Ganguly. �Tri-band (L1, L2, L5) GPS Antenna with Reduced Backlobes.� 28th General Assembly of International Union of Radio Science, USRI-GA, New Delhi, India. 2005.
<li> Lee, Y., J. Yeo, R. Mittra, S. Ganguly, and J. Tenbarge. �Fractal and Multiband Communication Antennas.� IEEE AP-S Topical Conference on Wireless Communication Technology, Honolulu, HI. 2003.
<li> Lee, Y., M. Kirchner, and S. Ganguly. �Multiband L5 Capable GPS Antenna with Reduced Backlobes.� ION GNSS 2004, Long Beach, CA. 2004.
<li> Lee, Y., S. Ganguly, and R. Mittra. "Multifrequency antenna with reduced rear radiation and reception." US Patent 6,940,457. 6 September 2005.
<li> Lee, Y., S. Ganguly, and R. Mittra. �A Conformal Multiband Antenna Design Based on Fractal Concepts.� IEES AP-S, San Antonio, Texas. 2002.
<li> Lee, Y., S. Ganguly, and R. Mittra. �A Novel Modified Sierpinski-Patch Antenna Using Shorting Pins and Switches.� IEEE AP-S, San Antonio, Texas. 2002.
<li> Lee, Y., S. Ganguly, and R. Mittra. �Circularly Polarized Tri-band (L1, L2, L5) Dual Aperture-Coupled, Stacked Patch Antenna with Reduced Backlobes for GPS Applications.� <i>IEEE Transactions on Antennas and Propagation</i> (submitted May 2005).
</li>
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<h2>GPS and Navigation Products</h2>
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<li> <a href="gpssim.html">Navigational Signal Simulators</a></li>
<li> <a href="gpsrx.html">Multi-Frequency GPS and GNSS Receivers</a></li>
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<li> <b>GPS/GNSS Antennas</b></li>
<li> <a href="gpsnavwar.html">NAVWAR</a></li>
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<div class="box"><center><b><a href="../pdf/Dual-band Compact GPS Antenna.pdf">Dual-Band Compact GPS Antenna</a></b> (brochure)<br><b><a href="../pdf/Tri-band GPS Antenna.pdf">Tri-Band GPS Antenna</a></b> (brochure)<br><b><a href="../pdf/Controlled Radiation Pattern Antenna.pdf">Controlled Radiation Pattern Antenna</a></b> (brochure)</center></div></div><br>
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