Sometimes, Hubble encounters a problem communicating with the Space Network. Usually, this is caused by a temporary issue with the Hubble spacecraft, difficulty connecting with TDRS, or a problem at the White Sands Complex. When these troubles occur, Hubble can communicate with the Near Earth Network (formerly known as the Ground Network). The field of view for the Near Earth Network’s ground antennas is very small compared to that of a geosynchronous spacecraft. Therefore, the Near Earth Network offers fewer and shorter communication windows than the Space Network, limiting how much data can be transmitted, so Hubble only utilizes it when necessary.