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Plant Propagation Software

  • Okumura Propagation Module

    The Okumura model computes basic median field strength and then adjusts for factors such as terrain, type of area (urban, suburban, open, etc.), terrain slope, etc. from the families of curves, as described in “Field Strength and its Variability in VHF and UHF Land-Mobile Radio Service”, Review of the Electrical Communications ...

    By SoftWright LLC based in Denver, COLORADO (USA).

  • Egli Propagation Module

    The Egli module is an implementation of John Egli’s methodology published in October, 1957 in the Proceedings of the IRE. This model is derived from measured data out to a distance of approximately 50 miles and over gently rolling terrain with average hill heights of approximately 50 feet. It relies on frequency, distance and heights of ...

    By SoftWright LLC based in Denver, COLORADO (USA).

  • Bullington Propagation Module

    In the Bullington model, computed free space field strength is adjusted for obstruction attenuation for knife-edge diffraction based on the method described in “Radio Propagation for Vehicular Communications” by Kenneth Bullington (IEEE Transactions on Vehicular Technology, November 1977). Facility and path parameters (transmitter ...

    By SoftWright LLC based in Denver, COLORADO (USA).

  • Hata/Davidson Propagation Module

    The Hata/Davidson model uses developed empirical formulas derived from the many Okumura families of curves. The calculations depend upon which type of environment is present in the coverage area – urban, large city, small/medium size city, suburban or open area. Although Hata’s model requires the inclusion of transmitting and receiving ...

    By SoftWright LLC based in Denver, COLORADO (USA).

  • SoundPLAN - Sound Propagation Modeling Software

    SoundPLAN is an acoustic ray tracing program for noise propagation prediction written by the German acoustical consulting firm, SoundPLAN GmbH. The software is an acoustical planning and modeling tool with a wide range of applications (Urban Planning, Environmental Assessment, Noise Analysis, Noise Control Optimization, Field Noise Mapping, OSHA / ...

    By Navcon Engineering Network based in Fullerton, CALIFORNIA (USA).

  • Rounded Obstacle Propagation Module

    The Rounded Obstacle model is based on Section 7 (“Diffraction Over a Single Isolated Obstacle”) of Tech Note 101(Transmission Loss Predictions for Tropospheric Communication Circuit, 1967, NTIS), treating path obstructions as rounded obstacles as described in Section 7.2. In addition, methods from Section 9 (“Forward ...

    By SoftWright LLC based in Denver, COLORADO (USA).

  • Broadcast/SMR (FCC Part 73) Propagation Module

    The Broadcast/SMR module of SoftWright’s Terrain Analysis Package (TAP) uses topographic elevation information to compute height above average terrain (HAAT) from a specified site. This information is used to compute field strength from the f(50,50) and f(50,10) curves for FM and TV from Part 73 of the FCC Rules. Distances to a specified ...

    By SoftWright LLC based in Denver, COLORADO (USA).

  • Longley-Rice (aka ITM) Propagation Module

    The Longley Rice (aka Irregular Terrain Model) Propagation module is the most flexible and popular TAP propagation module. It is valid for a wide frequency range from approximately 30 MHz to 30 GHz. The Longley-Rice model is an implementation of many of the equations presented in the NTIA Tech Note 101. In addition to expected parameters such as ...

    By SoftWright LLC based in Denver, COLORADO (USA).

  • Carey (FCC Part 22) Propagation Module

    The Carey module uses topographic elevation information to compute height above average terrain (HAATs) from a specified site. This information is used to compute field strength from the f(50,50) and f(50,10) Carey curves from Part 22 of the FCC Rules. Distance to service contours for Cellular Geographic Service Area (CGSA) are also calculated, as ...

    By SoftWright LLC based in Denver, COLORADO (USA).

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