THE MAGAZINE FOR COMPUTER APPLICATIONS
Circuit Cellar Online offers articles illustrating creative solutions
and unique applications through complete projects, practical
tutorials, and useful design techniques.

WHAT'S YOUR ENGINEERING QUOTIENT?

Problem 5—What does the acronym TDOA stand for, and what does it have to do with sailboats and cellphones?

ANSWER

Problem 6—If a LORAN receiver can measure the time difference between pulses to an accuracy of ±10 µs, what will the typical accuracy of a "fix" be?

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