Navigational Systems

In the study of communications, one of its common fields is the Navigational Systems. From aircrafts, seacrafts and even on the road, there are a lot of types of navigation systems such as Global Positioning System (GPS), Doppler, GLONASS etc. to some old systems such as OMEGA, Instrument Landing System (ILS), direction finder and loop antennas etc. Here's a special FREE-ECE pdf copy about navigational systems which is one of the coverage of EST subject in the ECE board exam. The download link is located below the photo. Enjoy!

Download Link: http://www.mediafire.com/view/?k783js3govcauoo

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