6.1 GNSS Antennas and Multipath Environment6.2 Statistical Modelling of Multipath Environment for GNSS Operation6.3 Open Field Test Procedure6.4 Performance Assessment of GNSS Mobile Terminal Antennas in Multipath Environment6.5 Performance Dependence on GNSS Antenna Orientation6.6 Performance Enhancement of GNSS Mobile Terminal Antennas in Difficult EnvironmentsReferences