noun: (surveying) A GPS receiver at known fixed location, used to derive correction information for nearby portable GPS receivers.
noun: (computing, networking) A radio receiver/transmitter that serves as the hub of the local wireless network, and may also be the gateway between a wired network and the wireless network.
noun: (radio) A radio transciever permanently or semipermanently installed in a fixed location on land, typically used to communicate with mobile stations and/or other base stations
