; (5) limitations of existing weather camera systems at the time of the study; (6) alternative sources of viable weather data; (7) funding mechanisms for weather camera installation and operations; and (8) other considerations the Comptroller General determines appropriate. (c) Report to congress Not later than 28 months after the date of enactment of this Act, the Comptroller General shall submit to the appropriate committees of Congress a report on the results of the study required under subsection (a). 318. Audit on aviation safety in era of wireless connectivity (a) In general Not later than 180 days after the date of enactment of this Act, the inspector general of the Department of Transportation shall initiate an audit of the FAA’s internal processes and procedures to communicate the position of civil aviation operators and the safety of the national airspace system to the National Telecommunications and Information Administration regarding proposed spectrum reallocations or auction decisions. (b) Assessment In conducting the audit described in subsection (a), the inspector general shall assess best practices and policy recommendations for the FAA to— (1) improve internal processes by which proposed spectrum reallocations or auctions are thoroughly reviewed in advance to ensure that any comments or technical concerns regarding aviation safety from civil aviation stakeholders are communicated to the National Telecommunications and Information Administration that are to be submitted to the Federal Communications Commission; (2) develop internal processes and procedures to assess the effects a proposed spectrum reallocation or auction may have on the national airspace system in a timely manner to ensure safety of the national airspace system