A method for forming a nanocrystalline silicon structure for the manufacture of integrated circuit devices, e. A projecting section is disposed proximate to at least one side of the base section. Based on different input signal levels, output gain range of the amplifier can be set. Assistance by the remote navigation service is associated with determining the current elevation level, based at least in part on ambient barometric pressure information collected by the client mobile device and by one or more crowdsourced mobile devices at the current location.