Multiple antennas for multiple receivers is often not a desired solution. Multiple antennas on the roof of a building, or a land-, water- or air vehicle is oft troublesome. Interference of the antennas, multiple cable drops thru watertight enclosures are some of the very well-known challenges in this cases. With the splitters of GPS Source these challenges are solved, no expensive additional active antenna for each receiver. Just one antenna for all receivers inside the enclosure, endless dividing the signal to each user.