Home > Reference and Guides > Maps & Directions > Glossary > Glossary (L) > Line of Sight

sign up for free membership
Register
today for full
access to InterSites ...


Line of Sight

The unobstructed view of an object. GPS receivers must have line of sight to receive signals from satellites. Objects such as tall buildings and bridges can block the line of sight needed by a receiver to obtain a navigational solution.