Abstract: A method of determining a filling level of a product in a tank having a tank wall, the method comprising: generating and transmitting an electromagnetic first transmit signal; propagating the first transmit signal through a tank atmosphere towards a corner reflector formed by the surface of the product and the tank wall where the surface of the product meets the tank wall, the corner reflector being at a known horizontal distance from the radar level gauge system; receiving an electromagnetic first reflection signal resulting from reflection of the first transmit signal at the corner reflector; determining a measure indicative of a propagation direction of the first reflection signal; and determining the filling level based on the measure indicative of the propagation direction of the first reflection signal and the known horizontal distance between the radar level gauge system and the corner reflector.

Abstract: A method of determining a filling level of a product in a tank having a tank wall, the method comprising: generating and transmitting an electromagnetic first transmit signal; propagating the first transmit signal through a tank atmosphere towards a corner reflector formed by the surface of the product and the tank wall where the surface of the product meets the tank wall, the corner reflector being at a known horizontal distance from the radar level gauge system; receiving an electromagnetic first reflection signal resulting from reflection of the first transmit signal at the corner reflector; determining a measure indicative of a propagation direction of the first reflection signal; and determining the filling level based on the measure indicative of the propagation direction of the first reflection signal and the known horizontal distance between the radar level gauge system and the corner reflector.

Abstract: A method carried out using a radar level gauge system, the tank having a tank roof supporting the radar level gauge system, a tank wall, and a tank atmosphere in a space defined by a surface of a product in the tank, the tank roof, and the tank wall, wherein the method comprises generating and transmitting an electromagnetic first transmit signal; propagating the first transmit signal through the tank atmosphere towards a corner reflector formed by the surface of the product and the tank wall where the surface of the product meets the tank wall, the corner reflector being at a known horizontal distance from the radar level gauge system; receiving an electromagnetic first reflection signal resulting from reflection of the first transmit signal at the corner reflector; and performing a filling level determination and/or a verification operation for the radar level gauge system based on a timing relation between the first transmit signal and the first reflection signal, and the known horizontal distance between

Abstract: A method of determining a status of a floating roof of a storage tank using a radar level gauge system arranged above the floating roof, the radar level gauge system being controllable to selectively evaluate reflected energy traveling towards the radar level gauge system in each propagation direction of a plurality of different propagation directions, the method comprising the steps of: radiating, by the radar level gauge system, an electromagnetic transmit signal towards the floating roof; receiving, by the radar level gauge system, an electromagnetic reflection signal resulting from reflection of the transmit signal at the floating roof; selectively evaluating, by the radar level gauge system based on the reflection signal, reflected energy traveling from the floating roof towards the radar level gauge system in each propagation direction of the plurality of different propagation directions; and determining the status of the floating roof based on the selective evaluation.

Abstract: A method carried out using a radar level gauge system, the tank having a tank roof supporting the radar level gauge system, a tank wall, and a tank atmosphere in a space defined by a surface of a product in the tank, the tank roof, and the tank wall, wherein the method comprises generating and transmitting an electromagnetic first transmit signal; propagating the first transmit signal through the tank atmosphere towards a corner reflector formed by the surface of the product and the tank wall where the surface of the product meets the tank wall, the corner reflector being at a known horizontal distance from the radar level gauge system; receiving an electromagnetic first reflection signal resulting from reflection of the first transmit signal at the corner reflector; and performing a filling level determination and/or a verification operation for the radar level gauge system based on a timing relation between the first transmit signal and the first reflection signal, and the known horizontal distance between

Abstract: A method of determining at least a first interface level of a first interface in a tank containing a stratified substance composition, comprising the steps of generating and transmitting an electromagnetic transmit signal; guiding the transmit signal at least partly through the stratified substance composition; returning an electromagnetic reflection signal resulting from reflection of the transmit signal; receiving, the reflection signal; determining, based on the reflection signal and a timing relation between the reflection signal and the transmit signal, an echo signal exhibiting an echo signal strength as a function of a propagation parameter indicative of position along the probe; and determining, the first interface level based on a first propagation parameter value indicative of a first threshold position for which the echo signal has reached a predetermined first threshold signal strength, and a first offset indicative of a first offset distance from the first threshold position.

Abstract: A method of determining at least a first interface level of a first interface in a tank containing a stratified substance composition, comprising the steps of generating and transmitting an electromagnetic transmit signal; guiding the transmit signal at least partly through the stratified substance composition; returning an electromagnetic reflection signal resulting from reflection of the transmit signal; receiving, the reflection signal; determining, based on the reflection signal and a timing relation between the reflection signal and the transmit signal, an echo signal exhibiting an echo signal strength as a function of a propagation parameter indicative of position along the probe; and determining, the first interface level based on a first propagation parameter value indicative of a first threshold position for which the echo signal has reached a predetermined first threshold signal strength, and a first offset indicative of a first offset distance from the first threshold position.