Embedded UAV Antennas

Innovative embedded antennas have been developed to provide superior alternatives to conventional blade antennas for UAV datalink, telemetry, command and control applications. Blade antennas increase aerodynamic drag, increase weight, provide less than optimal antenna performance, and are damage prone. Embedded antennas can be integrated within the composite structure of UAVs and other aircraft, and thereby eliminate these disadvantages by providing a lightweight, conformal RF solution with improved link performance and increased component integration. Chelton Microwave Sensor & Antenna Systems currently offers embedded antennas that operate in the UHF, L-Band, S-Band or C-Band frequency ranges. These antennas provide omni-directional coverage in the azimuth plane and are optimized for gain near the horizon. For example, one L-Band version operates over the 1700-1900 MHz frequency range with a VSWR of 2.0:1 maximum, peak gain of 3 dBiL minimum, and occupies only 8 square inches of surface area. Versions of these antennas are available for integration into either horizontal surfaces (wings) and into vertical surfaces (stabilizers).

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