Unable to build prerequisite module: GD-Graph-Polar (0.09)
Unable to build prerequisite module: Astro-satpass (0)
Unable to build prerequisite module: Net-GPSD (0)
Unable to build prerequisite module: GPS-PRN (0.04)
Unable to build prerequisite module: Astro-SpaceTrack (0)


GPS-SpaceTrack could not be built due to the above failed prerequisites.