| Title | ITS Irregular Terrain Model (Longley-Rice) | |||||||||
| Code | Original FORTRAN code translated to C++ DLL | |||||||||
| Frequency Range | 20 to 20000 MHz | |||||||||
| Surface Refractivity Range | 250 to 400 N-Units | |||||||||
| Antenna heights Range | .5 to 2999m | |||||||||
| Elevation records | up to 158 | |||||||||
| Elevation Range | -999m to 20000m | |||||||||
| Climates | 
 | |||||||||
| Modes of variation | 
 | |||||||||
| Statitical parameters | 
 | |||||||||
| Ground parameters | 
 | |||||||||
| Tx power | 1.0E-8 to 1.0E+6 Watts | 
| Receiver threshold | 0.01 to 2000 µVolt | 
| Line Loss | 0 to 500 dB | 
| Antenna gain | -10 to 100 dBi | 
| Number of networks | up to 50 | |||||||||
| Number of units | up to 1000 | |||||||||
| Number of systems | up to 255 | |||||||||
| Topologies | 
 | |||||||||
| Link parameters | 
 | |||||||||
| Source Type | 
 | |||||
| Source Resolution | 1/3, 1, 3, or 30 Arcsecond | |||||
| Matrix Size | up to 2000 x 2000 records | |||||
| Matrix Coverage | up to 5000 km | |||||
| Matrix Projection | Rectangular (aligned to latitude and longitude) compressed horizontaly according to latitude | |||||
| Interpolation | Bi-linear |