What does LOS stand for in microwave communication?

what is the concept behind it?

it used alot in microwave comm. where in a very simple words , when there is a comm. between two Dishs (two antenna) , they should see each other without any thing break this link ...this is LOS .....

is there a difference? tnx.

ok

Such a good answer.

heroes have same insight！

LOS=LINE OF SIGHT
USED IN THE SPEACE WAVE COMMUNICATION

it is Line of Sight

Line of sight....

LOS means line of sight

You're rigth

it is Line of Sight

everyone is so sure that it is Line of sight
then y such poll?

This is really Line of Sight (LoS) according to Laws of Sciences (LoS) and Letters of Scholars(LoS)....
:D

line of sight according to:
http://www.chrsolutions.com/TelecomGlossary.html
www.pvt.com/oth/glossary.htm

Could not find "line of site" in Google definitions.