1)   DX ToolBox 2.6.0
DX Toolbox gathers information on solar and geomagnetic conditions that affect radio propagation. It also features several propagation forecasting tools, and is ideal for the ham radio operator, shortwave listener, or other radio enthusiast.
radio, amateur, grayline, propagation, prediction, day, night, terminator, shortwave, radio,

 2)   DX ToolBox 2.6.0
DX Toolbox gathers information on solar and geomagnetic conditions that affect radio propagation. It also features several propagation forecasting tools, and is ideal for the ham radio operator, shortwave listener, or other radio enthusiast.
radio, amateur, grayline, propagation, prediction, day, night, terminator, shortwave, radio,