Where Am I

Interactions

Drag the hiker anywhere on the ground: the receiver loses its fix, then solves again from where it thought she was
Click a satellite to switch it off for a while: the fit loses a range, the error ellipse grows, or the fix turns into a curve
Drag a satellite along its orbit: bunch the sky to stretch the ellipse, spread it to shrink it
Click the receiver in her hand: its clock jumps by a large error and it solves again from a rough guess, step by step