A wireless access point receives a reverse link wireless wide area network signals from a wireless communication device and forwards wireless local area network location information related to the received RL WWAN signal to a position determining entity. The energy harvesting unit sends signals wirelessly to a system to perform certain functions as a result of received motion signals or the absence of such motion signals. In a preferred embodiment the grooves are separated from each other by groove walls which in the area of the changed groove extension comprise a thickening and optionally a bulge. In the instant application a novel mobile technology powered by unique image analysis software based on machine learning process to evaluate the submitted images for diagnostic purposes. The random start causes PWM of the logic pulse whenever the start of the arc randomly moves with respect to the current zero cross.