Protection Ratios for 625-Line Television Against Radionavigation Transmitters Operating in the Shared Bands between 582 and 606 MHz - Section 11E - Planning of Television Networks Protection Ratios Television Receivers and Antennas
Other interference effects (intermodulation) are likely to occur if radionavigation stations, which in general use high peak powers and highly directional antennas, are situated near receiving locations, especially where the television signal is weak.