CRC-COVWEB - Online Radio Coverage Prediction (Longley Rice)



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Transmitter Latitude: ° ' " North South Longitude: ° ' " West East Note: the transmitter position can also be set using the "Set Tx Pos" button below. Height Above Ground (m): (0.5 - 3000 m) Frequency (MHz): (20 - 40000 MHz) Power (W): Polarization: Horizontal Vertical Antenna Gain (dBi): Antenna Pointing Azimuth (°): (0° - 359.9° ; North = 0°)   Antenna Pattern (Horiz. Plane) Propagation Model: Longley Rice (Point-to-Point) Surface Refractivity (N-units): (250 - 400 N-units) Dielectric Constant of Ground: (4 - 81) Conductivity of Ground (Siemens/m): (0.001 - 5.0 S/m) Climatic Zone: Equatorial Continental Subtropical Maritime Tropical Desert Continental Temperate Maritime Temperate Over Land Maritime Temperate Over Sea Confidence Level (%): (1 - 99 %) Time Availability (%): (1 - 99 %) Location Availability (%): (1 - 99 %)   Receiver Antenna Height Above Ground (m): (0.5 - 3000 m) Reception Area Lower Left Corner Position (decimal degrees): Latitude Longitude Upper Right Corner Position (decimal degrees): Latitude Longitude Note: the reception area can also be set using the "Set Rx Area" button below.   Coverage Display From To Color dBµV/m dBµV/m Light Red Light Blue Light Grey Red Blue Grey Dark Red Dark Blue Dark Grey dBµV/m dBµV/m Light Red Light Blue Light Grey Red Blue Grey Dark Red Dark Blue Dark Grey dBµV/m dBµV/m Light Red Light Blue Light Grey Red Blue Grey Dark Red Dark Blue Dark Grey     Copyright © 2009 Communications Research Centre Canada