Kreis, O. [and other] <br/><br/>
Communications 

<br/><br/>Power system communications / B. Maibach.- The transmission characteristics of high-voltage lines at carrier frequencies / F. Eggimann, W. Senn, K. Morf.- The power line carrier system of the Cabora Bassa high-voltage direct current transmission line / W. Senn.- Application of a family of modern protection signaling equipment / H. Widmer.- Veriphon RT41 / W. Baschlin.- Radiocomuncation / H. Paul, U. Fierz, F. Heimgartner.- A microprocessor-controlled dispatching centre for small and medium-size radio systems / U. Fierz.- Modern technologies for communication equipment / M. Tiesnes.- Vericrypt 1100 portable speech scrambler / P. Hartmann, R. Werner.- 900-kW short-wave tetrode transmitter / R. Bartschi, F. Heimgartner, O. T. Snedkerud 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMMUNICATIONS<br/>POWER SYSTEM COMMUNICATIONS<br/>TRANSMISSION<br/>HIGH-VOLTAGE LINES<br/>CARRIER FREQUENCIES<br/>POWER LINE CARRIER SYSTEM<br/>MODERN PROTECTION SIGNALLING EQUIPMENT<br/>RADIOCOMMUNICATION<br/>CIVIL DEFENCE<br/>MICROPROCCESSOR-CONTROLLED DISPATCHING
<br/><br/><label>Universal Decimal Class. No.: </label>H621 BRO