Explore the latest version of the most widely used microwave design tool in the world.
Pathloss is compatible with many terrain data sources, and now with automatic download and GDAL (gdal.org) integration it is easy to use and gives you even more terrain data options.Terrain Data
Multiband operation allows you to add an additional set of equipment to an existing link. Each band will contain a complete set of equipment parameters, antenna heights, a channel table, design frequency and polarization. The site information, path profile and all calculation options are common to all bands in the link.More on Multi-Band
Pathloss 5.1, November 28, 2022 update is now available Pathloss 5.1 - Revision history. Please refer to your original license email for the link to update.
These step by step tutorials are intended to help a first time user get the program up and running.
These sections contains help concerning installation, maintennace and other operational issues.
Sources and instructions for using terrain data with Pathloss 5.1
For over 30 years we have been developing and refining the Pathloss program. Beginning with Version 1.4 in the late 1980s, Pathloss was quickly adopted by Equipment Manufactures, Telecommunications, Coordination and Engineering Service Providers worldwide.