UHF Satcom Antenna Covers 240 To 270 MHz

Sept. 12, 2007

Mobile and shipboard applications demand high-performance operation from the zenith down to the horizon. Typically, such coverage requires two separate antennas and a switch to select from the two. In contrast, the Model SC-303B provides full hemispheric coverage in a single antenna unit. Its use of right-hand circular polarization provides full coverage over the hemisphere with superior multipath rejection. To improve DAMA operation, the antenna is available with an option to include a diplexer preamplifier. The DFP-102 PZ preamplifier delivers up to a 6-dB sensitivity improvement in the receive mode of operation (240 to 270 MHz). The Model SC-303B exhibits maximum voltage standing-wave ratio of 1.5:1. Impedance is 50W while typical gain is 3 dBic. Power is specified at 200 W continuous wave.

Astron Wireless Technologies, Inc., 22560 Glenn Dr., Suite 114, Sterling, VA 20164-4440; (703) 450-5517, FAX: (703) 450-9753, Internet: www.astronwireless.com.

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About the Author

Nancy Friedrich

RF Product Marketing Manager for Aerospace Defense, Keysight Technologies

Nancy Friedrich is RF Product Marketing Manager for Aerospace Defense at Keysight Technologies. Nancy Friedrich started a career in engineering media about two decades ago with a stint editing copy and writing news for Electronic Design. A few years later, she began writing full time as technology editor at Wireless Systems Design. In 2005, Nancy was named editor-in-chief of Microwaves & RF, a position she held (along with other positions as group content head) until 2018. Nancy then moved to a position at UBM, where she was editor-in-chief of Design News and content director for tradeshows including DesignCon, ESC, and the Smart Manufacturing shows.