path clearance
path clearance: In microwave line-of-sight communications, the perpendicular distance from the radio-beam axis to obstructions such as trees, buildings, or terrain. Note: The required path clearance is usually expressed, for a particular k-factor, as some fraction of the first Fresnel zone radius.
This HTML version of Telecom Glossary 2K was last generated on Wed May 8 15:36:48 DT 2002.