A cluster or group of fixed stars, or division of the heavens, designated in most cases by the name of some animal, or of some mythologial personage, within whose imaginary outline, as traced upon the heavens, the group is included.

A group of fixed stars usually within 8° orb; the first harmonic.

one of the 88 regions to which the sky is divided.

A group of stars that forms a shape or pattern.

Space network composed of multiple small satellites, generally placed in low Earth or intermediary orbits

An array of like or similar satellites used together as a system. [Return

Refers to either the specific set of satellites used in calculating positions or all the satellites visible to a GPS receiver at one time.

1) All GPS satellites. 2) The satellites visible to a GPS receiver at one time.