Patent 7307576 was granted and assigned to Rockwell Collins on December, 2007 by the United States Patent and Trademark Office.
A weather radar system or method can be utilized to determine non-hazardous weather region for an aircraft. The weather radar system can utilize processing electronics coupled to an antenna. The processing electronics can determine presence of the non-hazardous weather region in response to data related to returns received by the weather radar antenna. The data can include a spatial frequency parameter or reflectivity gradient.