0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
In a satellite communications system, a satellite that only reflects signals from one Earth station to another, or from several Earth stations to several others. Note: Although the satellite acts passively by reflecting signals, it may contain active devices for station keeping. (188)