The XO Group recently updated their coverage map and information on their system. It has been added to the Repeaters tab on the KH6RS.com website with a downloadable pdf of the new map. Just click the map to be taken to the XO Group website. It is chock full of details, photos and useful information about the tech and software used in the linked repeater system.
Click the photo above to be taken to the FCC maps of the estimated effective ground conductivity in the United States. This data is used to predict the propagation of AM signals across the United States. A higher ground conductivity indicates better AM propagation characteristics. The map shows that the ground conductivity in the U.S. ranges between 0.5 and 30 millimhos (or millisiemens) per meter. The conductivity of seawater is 5,000 millimhos per meter, resulting in the best propagation of AM signals.
De KH6RS BLoG
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