Problems tracking WAAS satallites?
According to the FAA (Federal Aviation Administration), two of the WAAS signal geostationary satellites (PRN 122 and PRN 134 will be decommissioned on July 31, 2007. to provide better WAAS performance to the East Coast, satellite PRN 138 will be commissioned on July 11, 2007. Satellite PRN 135 will remain unchanged.
Therefore, PRN 135 and PRN 138 will be the only active WAAS signal satellites for North America on and after July 31, 2007.
For more details on the coverage changes, please visit the Federal Aviation Administration website.
This change will affect all the AutoFarm precision products that are using the WAAS System for differenctial correction. We have created a technical bulletin that addresses each model of AutoFarm products. Click the link to view the tech bulletin.
General Overview of Product Affected - Technical Bulletin 1007
AutoFarm A5 - Technical Bulletin 1008
AutoFarm ATC - Technical Bulletin 1009