A propulsion system having various applications one of which is as a marine drive system for watercraft. At least one pair of an attachment member and an attachment strap member are fixedly attached to an upper surface of the wing assembly proximate the portion of the aircraft body at a location of one of the number of body frame members. The distribution along with management information detected for non-drifting mobile radios are used to estimate corresponding management information for drifting mobile radios. The compensation term depends on a change over time in the sensor temperature and such parameters that a temperature correction value can be determined for taking into account the heating of the sensor housing andor of a space surrounded by the sensor housing by the contact between the sensor housing and the skin of the body. The method includes, responsive to receiving a notification message, adding a meter identifier to the received notification message before retransmitting the modified notification message to at least one neighboring meter.