Technical Education Webinar Series
Title: EW in Space
Date: April 20, 2021
Time: 8am PT / 11am ET
Sponsored by: Rohde & Schwarz
Presented by: Dave Adamy
Space is an Electronic Warfare domain, just like land, sea and air. We significantly dependent on satellite assets and those assets are vulnerable to enemy kinetic or electronic attack. Also, how can satellite borne intercept and jamming systems impact hostile assets on the Earth?
In ground, sea and air based EW, the closer we get to targets, the better we can intercept or jam them. Satellite borne systems are by their nature far away—creating challenges that require careful consideration. Satellites do not go where we want them to go in the short term; they go where they want to go. However, we can predict where they will be at any given time.
In this webinar, we briefly review some orbit considerations and will present some formulas for the distance between a satellite and a transmitter or receiver on the Earth’s surface and the appropriate look angles. Finally, we will discuss some practical EW issues: What is the vulnerability of a satellite borne system to attack from the Earth? How long can a satellite see a target on the Earth’s surface? What J/S can be achieved by a satellite borne jammer? What intercept quality can be achieved by a satellite borne receiver? All of these related to the satellite orbit.
Dave Adamy has over 50 years’ experience developing EW systems from DC to Light, deployed on platforms from submarines to space, with specifications from QRC to high reliability. For the last 30 years, he has run his own company, performing studies for the US Government and defense contractors. He has also presented dozens of courses in the US and allied countries on Electronic Warfare and related subjects. He has published over 250 professional articles on Electronic Warfare, receiver system design and closely related subjects, including the popular EW101 column in the Journal of Electronic Defense. He holds an MSEE (Communication theory) and has 16 books in print.
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