Global Positioning Systems
          Beginning of paper
The new Avionics Modernization Program (AMP) systems installed in the F-111E and EF-111A have raised their share of questions, so I have decided to continue my series of "Everything You Always Wanted To Know" handouts to you pilots, navigators, and maintenance technicians on how the cotton-picken'  ....          
Middle of paper
....  and repeat the process.  On your chart at this point there would be two circles whose lines intersected at two points.  Even a vague guess of your whereabouts would be enough to discard the bogus point, and you'd be left with a pretty good idea of your position. Better yet, take a cut from a third DME transmitter and draw a third circle on your chart.  Now you'd have three intersecting circles and your position would be inside the little triangle formed by the intersection of the three circ ....          
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          Word count: 3319 
 Page count: 13 (approximately 250 words per page)