A cooperative electronic media measurement system is disclosed that measures the electronic media usage of one or more individuals by a media research entity. The relay station receives from the source a message containing the data and a first cyclic prefix. The combination of these functions provides a highly accurate means for identifying the location of splices, faults, corrosion, cable damage and other anomalies that are typically found on any length of conductor cable. The UE may transmit an MBMS interest indication message including information related to one or more targeted MBMS services which the UE wants to receive. The quick drain is a vertical tube covered by drainage slots.