County Coverage for WXM40

South Dakota

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View Transmitter Details and County Coverage Information.

Map of WXM40 click to view PDF
Transmitter Details
Call SignPowerFrequencyStatus
WXM401000 W162.500 MHzNORMAL

County Coverage for WXM40

StateCountySAMERemarks
NDEmmons038029 
NDMcIntosh038051 
SDCampbell046021 
SDCorson046031 
SDDewey046041 
SDEdmunds046045 
SDFaulk046049 
SDMcPherson046089 
SDPotter046107 
SDSully046119 
SDWalworth046129 


Coverage Map Notes
The coverage statistics and maps are calculated using a computer model and station data assuming ideal conditions. Coverage may be 5 to 10 percent below the computer predicted coverage for the following reasons:
  • The computer model is sensitive to antenna performance. Antenna performance is a function of local conditions, causing signals to be stronger signal level in some directions than others.
  • Placement of NWR antennas is dictated by the tower owner, which may result in a less than ideal set up.
  • The antenna may be affected by nearby structures or bodies of water.
  • In some special instances, the antenna may have been intentionally adjusted to be "directional" and provide better coverage to a specific area to the detriment of other areas.
  • Because of variations in local site conditions, the performance of an individual transmitter and antenna may be less than predicted or expected.
  • Seasonal environmental conditions, such as icing or heavy rain, affect performance of a transmitter station and its various components, particularly those subject to continuous weather exposure.
  • The coverage maps are shown in a single color format, which relates to an estimated signal level.
    • White: Signal level of greater than 18dBuV: Reliable coverage