In May 2022 the WAAS program will enter a new geostationary satellite into service. This new satellite, PRN 135, will replace the current WAAS PRN 138 satellite. PRN 135 will begin WAAS transmissions on April 26th, 2022. The new satellite is the Galaxy 30 located at 125 degrees west longitude. PRN 138 will cease WAAS transmissions on May 17th, 2022
WAAS satellite change
