Abstract: Embodiments of the inventive concepts disclosed herein are directed to systems and methods for data link acquisition using multichannel transceivers. A first transceiver may scan a first set of frequencies for a first signal at a first frequency from a first ground station. A second transceiver may scan a second set of frequencies for a second signal at a second frequency from a second ground station. The second set may be higher than the first set. A controller of the avionics radio device may be communicatively coupled to the first transceiver and the second transceiver. The controller may compare the first signal quality of the first signal with the second signal quality of the second signal. The controller may commence a data link with the first ground station or the second ground station via one of the first and second transceivers of the avionics radio device based on the comparison.

Abstract: Various embodiments are directed to systems, methods, and devices for concurrent high frequency down link air to ground communication transactions using multiple frequencies. A ground station radio device includes a transmitter to transmit uplink data to a plurality of aircraft over a first frequency, and a receiver to receive downlink data from the plurality of aircraft over a plurality of second frequencies that are different from the first frequency.

Abstract: An aircraft remote network, device, and method are disclosed. The network may include a central data management unit (CDMU) and one or more aircraft systems, where each system may include an antenna and one or more units, through which radio frequency (RF) signals are transmitted and/or received. The device could receive a RF signal from an external source via the antenna, convert the signal to data, and provide the data to the CDMU; and receive data from the CDMU, convert the data to an RF signal, and provide the RF signal to the external source via the antenna, where the distance between the antenna and the device is less than the distance between the device and the CDMU.

Abstract: A system and related method for encrypting HFDL position reports of an aircraft involves determining the position of the aircraft based on signals received from navigational satellites and generating data packets based on the position and an aircraft identifier such as an ICAO address. The data packets are encrypted for transmission to HF ground stations as a position report normally would be (e.g., as a performance diagnostic packet or a frequency diagnostic packet). However, the encrypted position data can only be decrypted by a control key provided to traffic control authorities or a subscriber key provided to the aircraft owner or authorized personnel. Only holders of the control key or subscriber key may decode the aircraft position and track the aircraft's heading or position.