An airborne wireless communications system includes circuitry configured to access information describing a configuration of a terrestrial wireless communications base station that has become disabled. The block of phase change material may be connected to an internal resistance measurement circuit that can transmit the measured resistance data to inputoutput pads either in an analog output format or in a digital output format. These are subjected to a pre-processing appropriate for generation of optimal code by the LyeeAll tool to obtain a format for outputting a requirement. Specifically, numerous different powders having a variety of properties are placed within nozzles positioned above a deposition bed using a hopper. The overprint compositions are particularly well-suited for protecting ink-based and toner-based images on substrates subjected to abrasives, heat, andor sunlight since the compositions protect such images from smearing, cracking, and fading. On its face facing the incident beam, the support includes at least one cell for coding its displacement orientated in the direction of the said displacement and generates an optical code by interference with the incident light beam, the said optical code being readable after interference on at least one photodetector.