GENERAL KNOWLEDGE

Detailed explanation-1: -tran·spon·der tran(t)-ˈspän-dər. : a radio or radar set that upon receiving a designated signal emits a radio signal of its own and that is used especially for the detection, identification, and location of objects and in satellites for relaying communications signals.

Detailed explanation-2: -The term “satellite transponder” refers collectively to a transmitter-receiver subsystem on board the satellite that processes, amplifies and retransmits a range of frequencies (the transponder bandwidth) to another location/terminal/antenna on the earth.

Detailed explanation-3: -Large concave reflectors called satellite dishes are normally used to send and receive these signals. These TVNZ satellite dishes are all designed and aimed to receive signals from various Optus, Intelsat and other satellites. Two of the satellite dishes are also designed to transmit signals.