Black Cat Systems has released DX Toolbox version 3.6.4, an update of the Mac OS X X radio propagation/conditions analysis and forecasting tool for amateur radio operators, shortwave listeners, and other radio enthusiasts.This version incorporates several big fixes .

DX Toolbox us designed to help amateur radio operators and shortwave listeners estimate radio propagation conditions. Several propagation forecasting charts are available to estimate signal levels and path conditions between any two points on the Earth.

DX Toolbox sells for US$24.99. A feature complete demo is available at the product web site (