propagation model

H.F. F-Layer Propagation Predictions Priority listing - Assembled from a prediction model written by VE5ZX/G0TZX, from parameters supplied by G4FKH

High Frequency Propagation Models - Institute for Telecommunication Sciences High Frequency Propagation Models

4NEC2 antenna modeler  ^pop - 4nec2 is a completely free Nec2, Nec4 and windows based tool for creating, viewing, optimizing and checking 2D and 3D style antenna geometry structures and generate, display and/or compare near/far-field radiation patterns for both the starting and experienced antenna modeler. Can be interfaced to HFwin32 propagation prediction software.

HF Propagation Models from NTIA ITS  ^updated - Windows-95/98/NT 32-bit HF Propagation Models from NTIA/ITS

RadioLink Propagation Prediction - Calculate path losses of a point-to-point radio link. Create terrain profiles using digital elevation models.

SPLAT! for Windows - This free software is useful for visualizing terrain and performing Longley-Rice path loss and coverage prediction using the Irregular Terrain Model. A Windows port of the Linux-based SPLAT by John Magliacane.

BeamFinder - BeamFinder is a software tool designed to conduct analyses for radio amateurs interested in radio propagation studies. It provides a large 2500 x 1800 pixel screen map of the world which displays calculated results from sophisticated models, dx data and other sources of information

SatTrack Suite - Satellite Tracking and Orbit Propagation, Reports and Mission Planning Products, Pass Scheduling and Orbit Event Analysis, Dynamic Communications Link Modeling, 3-D Visualization of Complex Scenarios User Defined Regions and Contours, Constellation and Formation Flying Support, Global Positioning System Coverage