Electronic locating hardware and software for collecting, transmitting, receiving, analyzing and presenting data regarding the position of underground objects and related parameters including apparatus (not being for use in relation to military communications) that dynamically or automatically changes the frequency of a transmitter; the aforesaid goods being in relation to locating and monitoring subsurface devices and buried lines, cables and pipes.

Electronic and digital receivers, transmitters, equipment, and software, for use in locating and monitoring subsurface devices and buried lines, cables, and pipes

Installation, repair, and maintenance of utilities, pipelines, and drilling equipment

Communication devices for linking computer networks; communication modems; communication software; computer programs for use in communications; satellite communications equipment; vehicular communication apparatus; apparatus for collecting encoded data for supply to computers; apparatus for controlling the output of data; apparatus for controlling the processing of data; apparatus for controlling the storage of data; apparatus for data collection; apparatus for data communications between computers; apparatus for data entry; apparatus for data input; apparatus for data memories; apparatus for data output; aparatus for data processing; apparatus for data storage; apparatus for data transmitting; apparatus for guarding data communication systems against unauthorised access; apparatus for interconnecting data processing equipment; apparatus for processing data; apparatus for processing data programmes; apparatus for processing digital data; apparatus for reading data; apparatus for reading data on optical apparatus; apparatus for receiving data; apparatus for remote data transmission; apparatus for retrieving data; apparatus for sending data; apparatus for the acquisition of data; apparatus for the communication of data; apparatus for the conversion of data; apparatus for the graphic display of data; apparatus for the processing of data; apparatus for the storage of data; apparatus for the storage of pictorial data; apparatus for the storage of textual data; apparatus for transmitting data; apparatus for transmitting data by the telephone network; apparatus for use in data logging; computer apparatus for processing data; computer apparatus for the control of data; computer apparatus for the storage of data; computer apparatus for transmitting data; computer controlled workstations for data entry; computer data input apparatus; computer databases; computer installations for the communication of data; computer installations for the processing of data; computer installations for the storage of data; computer interface units for translating data; computer networks for the storage of data; computer programs for data processing; computer programs for data processing; computer programs for processing data; computer programs for providing a graphical presentation of data; computer programs for scientific data analysis; computer programs for the analysis of data processing efficiency; computer programs for the analysis of data processing performance; computer programs for the analysis of data processing procedures; computer programs for use in database management; computer related data communication apparatus; computer software for authorising access to data bases; computer software programs for database management; connecting devices for data collection; connecting devices for data transfer; data files; data logging apparatus; data processing installations incorporating expandable architecture; data processing software; data processing software for graphic representations; data programmes; data recorded in computer accessible form; data storage devices containing photographs; database programs; databases; mobile data communications apparatus; programs for data processing apparatus (recorded); programs for data processing apparatus recorded on disks; programs for data-processing; programs for processing data on computers; apparatus for automatically placing messages via telecommunications equipment; cellular telecommunications apparatus; computer programs for use in telecommunications; mobile telecommunications apparatus; telecommunications apparatus for transmitting data for use with computers; telecommunications devices; telecommunications equipment

Communication of information by satellite; communication services by satellite; computerised data communications; Data communication services; electronic communication services for the transmission of data; mobile telephone communication services; communication services for the electronic transmission of data; communications services for accessing a data-base; communications services for the exchange of data in electronic form; computer data transmission services; computerised data communications; consultancy services relating to data communications; data broadcasting services; data communication by electronic means; data communication services; data transmission; data transmission by electronic mail; data transmission for others; data transmission services over telecommunications networks; electronic communication services for the transmission of data; electronic communications services for the transmission of data; electronic data communications; electronic transmission of data; providing access to databases; providing access to online computer databases; provision of electronic data links; remote transmission of data by means of telecommunications; transmission of computerised data; transmission of data; transmission of data by computer; advisory services relating to telecommunications; cellular telecommunications services; communication of data by means of telecommunications; message storage and transmission (telecommunications); remote transmission of data by means of telecommunications; satellite telecommunications services; telecommunications services by satellite; telecommunications services for the distribution of data

Collecting and processing information from video store retailers about sales and rentals of digital video disks and presenting information concerning sales and rentals to trade magazines concerning digital video disk hardware and software