Abstract: Systems and methods of detecting type I ice crystals using an aircraft's onboard weather radar system are disclosed. An exemplary embodiment identifies radar returns having a return level signal strength less than a radar return sensitivity threshold level, determines if at least one of a weather condition and a flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level, and identifies a region of airspace potentially having type I ice crystals when the at least one of the weather condition and the flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level.

Abstract: In some examples, a system includes a radar device configured to transmit first X-band radar signals in a weather mode and receive first return X-band radar signals in the weather mode. In some examples, the radar device is further configured to transmit second X-band radar signals in a landing mode and receive second return X-band radar signals in the landing mode. In some examples, the system also includes processing circuitry configured to detect, in the weather mode, weather formations based on the first return X-band radar signals. In some examples, the processing circuitry is further configured to determine, in the landing mode, a position of a transponder based on the second return X-band radar signals received by the radar device and determine a location of a runway based on the position of the transponder.

Abstract: In one example, a device includes a receiver configured to receive a low-power X band radar transmission, and a transmitter operably coupled to the receiver and configured to transmit an X band transmission in response to receiving the low-power X band radar transmission.

Abstract: A vertical profile display includes weather information for an aircraft. In some examples, the weather is displayed in the vertical profile display as a plurality of weather blocks, each block indicating the weather in a volume of space associated with the block. In addition, in some examples, the vertical profile display shows a vertical profile view of a flight path of the aircraft and includes indications of primary weather and secondary weather, where the indication of primary weather is visually distinct from the indication of secondary weather.

Abstract: In some examples, a system includes a radar device configured to transmit first X-band radar signals in a weather mode and receive first return X-band radar signals in the weather mode. In some examples, the radar device is further configured to transmit second X-band radar signals in a landing mode and receive second return X-band radar signals in the landing mode. In some examples, the system also includes processing circuitry configured to detect, in the weather mode, weather formations based on the first return X-band radar signals. In some examples, the processing circuitry is further configured to determine, in the landing mode, a position of a transponder based on the second return X-band radar signals received by the radar device and determine a location of a runway based on the position of the transponder.

Abstract: A weather radar with an integrated flat plate slotted array antenna system mounted to a motorized, gimbaled platform. The integrated antenna system includes a substrate integrated waveguide (SIW) receiver/transmitter antenna integrated with other printed circuit board (PCB) layers. The PCB includes radar transmitter, receiver and processing circuits configured to communicate with weather radar display and controller units. A protective shield provides radio-frequency (RF) shielding and mechanical support for the integrated antenna system.

Abstract: Systems and methods of detecting type I ice crystals using an aircraft's onboard weather radar system are disclosed. An exemplary embodiment identifies radar returns having a return level signal strength less than a radar return sensitivity threshold level, determines if at least one of a weather condition and a flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level, and identifies a region of airspace potentially having type I ice crystals when the at least one of the weather condition and the flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level.

Abstract: Systems and methods of detecting type I ice crystals using an aircraft's onboard weather radar system are disclosed. An exemplary embodiment identifies radar returns having a return level signal strength less than a radar return sensitivity threshold level, determines if at least one of a weather condition and a flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level, and identifies a region of airspace potentially having type I ice crystals when the at least one of the weather condition and the flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level.

Abstract: A vertical profile display includes weather information for an aircraft. In some examples, the vertical profile display includes one or more weather icons, each weather icon indicating a weather condition for a volume of space at a particular altitude. Each weather icon is displayed within the vertical profile display at a portion of the vertical profile display corresponding to the altitude of the weather condition indicated by the particular weather icon.

Abstract: A weather radar with an integrated flat plate slotted array antenna system mounted to a motorized, gimbaled platform. The integrated antenna system includes a substrate integrated waveguide (SIW) receiver/transmitter antenna integrated with other printed circuit board (PCB) layers. The PCB includes radar transmitter, receiver and processing circuits configured to communicate with weather radar display and controller units. A protective shield provides radio-frequency (RF) shielding and mechanical support for the integrated antenna system.

Abstract: In one example, a device includes a receiver configured to receive a low-power X band radar transmission, and a transmitter operably coupled to the receiver and configured to transmit an X band transmission in response to receiving the low-power X band radar transmission.

Abstract: A vertical profile display includes weather information for an aircraft. In some examples, the weather is displayed in the vertical profile display with a hazard band indication. The hazard band indication includes an upper limit line positioned within the vertical profile view at a position corresponding to an altitude greater than or equal to an altitude above which no hazardous weather cells were detected. In some examples, the vertical profile display also includes one or more weather icons, with each weather icon indicating a weather condition for a volume of space.

Abstract: This disclosure is directed to methods, devices, and systems for generating a weather radar output with bright band suppression. In one example, a method includes determining, for each of several portions of a vertical column from a weather radar signal, a reflectivity range selected from a highest reflectivity range and one or more lower reflectivity ranges. The method further includes determining, in response to determining that portions of the vertical column are in the highest reflectivity range, whether a combination of the reflectivity ranges of the portions of the vertical column meet criteria indicative of high-reflectivity stratiform weather. The method further includes generating, in response to determining that the combination of the reflectivity ranges of the portions of the vertical column meet the criteria indicative of high-reflectivity stratiform weather, a weather radar output that indicates each of the portions of the vertical column as associated with one of the lower reflectivity ranges.

Abstract: This disclosure is directed to methods, devices, and systems for generating a weather radar output with bright band suppression. In one example, a method includes determining, for each of several portions of a vertical column from a weather radar signal, a reflectivity range selected from a highest reflectivity range and one or more lower reflectivity ranges. The method further includes determining, in response to determining that portions of the vertical column are in the highest reflectivity range, whether a combination of the reflectivity ranges of the portions of the vertical column meet criteria indicative of high-reflectivity stratiform weather. The method further includes generating, in response to determining that the combination of the reflectivity ranges of the portions of the vertical column meet the criteria indicative of high-reflectivity stratiform weather, a weather radar output that indicates each of the portions of the vertical column as associated with one of the lower reflectivity ranges.

Abstract: Systems and methods of detecting type I ice crystals using an aircraft's onboard weather radar system are disclosed. An exemplary embodiment identifies radar returns having a return level signal strength less than a radar return sensitivity threshold level, determines if at least one of a weather condition and a flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level, and identifies a region of airspace potentially having type I ice crystals when the at least one of the weather condition and the flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level.

Abstract: A vertical profile display includes weather information for an aircraft. In some examples, the vertical profile display includes one or more weather icons, each weather icon indicating a weather condition for a volume of space at a particular altitude. Each weather icon is displayed within the vertical profile display at a portion of the vertical profile display corresponding to the altitude of the weather condition indicated by the particular weather icon.

Abstract: A vertical profile display includes weather information for an aircraft. In some examples, the weather is displayed in the vertical profile display with a hazard band indication. The hazard band indication includes an upper limit line positioned within the vertical profile view at a position corresponding to an altitude greater than or equal to an altitude above which no hazardous weather cells were detected. In some examples, the vertical profile display also includes one or more weather icons, with each weather icon indicating a weather condition for a volume of space.

Abstract: A vertical profile display includes weather information for an aircraft. In some examples, the weather is displayed in the vertical profile display as a plurality of weather blocks, each block indicating the weather in a volume of space associated with the block. In addition, in some examples, the vertical profile display shows a vertical profile view of a flight path of the aircraft and includes indications of primary weather and secondary weather, where the indication of primary weather is visually distinct from the indication of secondary weather.

Abstract: Systems and methods of detecting type I ice crystals using an aircraft's onboard weather radar system are disclosed. An exemplary embodiment identifies radar returns having a return level signal strength less than a radar return sensitivity threshold level, determines if at least one of a weather condition and a flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level, and identifies a region of airspace potentially having type I ice crystals when the at least one of the weather condition and the flight condition concurrently exists with the identified radar returns having the return level signal strength less than the radar return sensitivity threshold level.

Abstract: Systems and methods for improving display quality for at range weather data of smaller antenna size radar weather systems. A processor receives a column of quantized reflectivity data associated with an antenna from a radar system. The processor adjusts the column of quantized reflectivity data based on estimated quantized reflectivity data associated with a beam pattern for an antenna that is larger than the antenna associated with the received column of quantized reflectivity data.