Figure 1-14. Combination of sense and directional antennas.
direction finding have become feasible. One common method of azimuth determination is
Time of Arrival measurements. For this measurement, at least two antennas are used to form
an antenna baseline. (See Figure 1-15).
Figure 1-15. Antenna baseline.
of arrival at each antenna, and the angle of arrival is determined. (See Figure 1-16).