FIELD: radio navigation.
SUBSTANCE: invention relates to the field of aircraft radio navigation. The essence of the method is to determine the coordinates of an unknown source of interference from measurements of its bearing on board the aircraft at two points with coordinates measured by a satellite navigation system in conditions when its operation has not yet been disrupted by an interference signal, which is reliably received by the on-board direction finder. Next, the coordinates of the aircraft are determined by the calculated coordinates of the interference source and measurements of its bearing at two points lying on the same flight course of the aircraft, in conditions of disruption of the GNSS by an interference signal of an unknown interference source.
EFFECT: possibility of determining the planned coordinates of the aircraft in case of a malfunction of the GNSS by an interference signal from an unknown source of interference, using the coordinates of the location of this source calculated on board the aircraft from the measurements of the bearing of this source of interference radiation by an on-board radio direction finder.
1 cl, 2 dwg
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