A golf club with improved weight distribution is disclosed herein. kurstaki HD-73 crystal protein gene was cloned into pBR322. An additional correction may be applied to correct for excess polarization or incomplete polarization of nuclear spins due to an insufficient wait time between pulse sequences. In multilayer formation DMAD fracturing, the plug isolates a completed fracture while additional layers are sequentially fractured and plugged, and then the plugs are removed for flowback from the fractured layers. The present invention makes possible the transmission, to a radio receiver according to the present invention or a device connected thereto, of displayable data or of data usable for controlling the receiver, with a particularly high data rate and data security, by using existing radio transmission systems such as RDS, and utilizing additional transmission capacities of the Internet. The operational data may include historical data relating to prior performance of the modem pair and prior margin compliance.