Satellite navigation receiver, comprising: a receiver unit configured to receive and process a satellite navigation signal from a satellite navigation system at a certain time, to obtain a received signal, the received signal comprising a first component in a digital form and a second component in the digital form, wherein the first component in the digital form is encrypted; a transmitter or a controller; a verification unit configured to verify whether data carried by the second component in the digital form is valid; a filter unit configured to filter out the second component in the digital form from the received signal, to obtain a filtered signal, the filtered signal comprising just the first component in the digital form, and to provide the filtered signal to the transmitter or controller; and wherein the transmitter is configured to transmit the first component in the digital form together with an identification of a user of the satellite navigation receiver at the certain time and further together with an indicated time, at which the satellite navigation receiver received the satellite navigation signal, if the data carried by the second component in the digital form is valid; or wherein the controller is configured to store the first component in the digital form on a non-volatile storage medium together with other data representing an information from a location, at which the satellite navigation receiver was located at the certain time, if the data carried by the second component in the digital form is valid; wherein the controller is configured to store the first component in the digital form on the non-volatile storage medium further together with an indicated time and location, at which the other data were recorded. a receiver unit configured to receive and process a satellite navigation signal from a satellite navigation system at a certain time, to obtain a received signal, the received signal comprising a first component in a digital form and a second component in the digital form, wherein the first component in the digital form is encrypted; a transmitter or a controller; a verification unit configured to verify whether data carried by the second component in the digital form is valid; a filter unit configured to filter out the second component in the digital form from the received signal, to obtain a filtered signal, the filtered signal comprising just the first component in the digital form, and to provide the filtered signal to the transmitter or controller; and wherein the transmitter is configured to transmit the first component in the digital form together with an identification of a user of the satellite navigation receiver at the certain time and further together with an indicated time, at which the satellite navigation receiver received the satellite navigation signal, if the data carried by the second component in the digital form is valid; or wherein the controller is configured to store the first component in the digital form on a non-volatile storage medium together with other data representing an information from a location, at which the satellite navigation receiver was located at the certain time, if the data carried by the second component in the digital form is valid; wherein the controller is configured to store the first component in the digital form on the non-volatile storage medium further together with an indicated time and location, at which the other data were recorded.