A bistatic radar system comprising: a transmitter; a target at a first position; a receiver including an antenna at a second known position, wherein the receiver is configured to receive one or more reflected radar signals transmitted from the transmitter and reflected off the target, and wherein the receiver is configured to receive one or more direct radar signals transmitted from the transmitter; and a transmitter position determination unit configured to determine a position of the transmitter based on a determination of a distance between the first position and the second known position and a determination of a first angular difference between the one or more reflected radar signals and the one or more direct radar signals that are received by the receiver; said bistatic radar system being characterized in that: the first position of the target is a first known position: the transmitter position determination unit is configured to determine one or both of a first elevation (L 3) of the transmitter relative to the receiver or a second elevation (L 2) of the target relative to the receiver; the antenna is configured to determine one or both of a first elevation angle (Φ 3) of the transmitter relative to the receiver or a second elevation angle (Φ 2) of the target relative to the receiver; and the transmitter position determination unit is configured to determine the first elevation (L 3) as L 3 = S 3 sin Φ 3 and to determine the second elevation (L 2) as L 2 = S 2 sin Φ 2, wherein S 3 is a linear distance separating the receiver from the transmitter and S 2 is a linear distance separating the target from the receiver. a transmitter; a target at a first position; a receiver including an antenna at a second known position, wherein the receiver is configured to receive one or more reflected radar signals transmitted from the transmitter and reflected off the target, and wherein the receiver is configured to receive one or more direct radar signals transmitted from the transmitter; and a transmitter position determination unit configured to determine a position of the transmitter based on a determination of a distance between the first position and the second known position and a determination of a first angular difference between the one or more reflected radar signals and the one or more direct radar signals that are received by the receiver; said bistatic radar system being characterized in that: the first position of the target is a first known position: the transmitter position determination unit is configured to determine one or both of a first elevation (L 3) of the transmitter relative to the receiver or a second elevation (L 2) of the target relative to the receiver; the antenna is configured to determine one or both of a first elevation angle (Φ 3) of the transmitter relative to the receiver or a second elevation angle (Φ 2) of the target relative to the receiver; and the transmitter position determination unit is configured to determine the first elevation (L 3) as L 3 = S 3 sin Φ 3 and to determine the second elevation (L 2) as L 2 = S 2 sin Φ 2, wherein S 3 is a linear distance separating the receiver from the transmitter and S 2 is a linear distance separating the target from the receiver. the transmitter position determination unit is configured to determine one or both of a first elevation (L 3) of the transmitter relative to the receiver or a second elevation (L 2) of the target relative to the receiver; the antenna is configured to determine one or both of a first elevation angle (Φ 3) of the transmitter relative to the receiver or a second elevation angle (Φ 2) of the target relative to the receiver; and the transmitter position determination unit is configured to determine the first elevation (L 3) as L 3 = S 3 sin Φ 3 and to determine the second elevation (L 2) as L 2 = S 2 sin Φ 2, wherein S 3 is a linear distance separating the receiver from the transmitter and S 2 is a linear distance separating the target from the receiver.