Bharat Rakshak

^^ And that is the most amazingly "insignificant" pic of the Earth i have ever seen! :) More humbling is the "Pale blue dot" image of the Earth taken by Voyager I as it left the Solar System (see http://en.wikipedia.org/wiki/Pale_Blue_Dot). It was the late Carl Sagan who had the...

Let me give it a shot (or may be just some really tangential - no pun intended) at an approach to AmberG's poser. (I am not a satellite guy either but taking off from Srikumar's insight on spheres, circles etc.) 1. First about atomic clock : Three and half decades ago, my cousin used to develop PLL...