Guide to utility stations :  including guide to radioteletype stations, edition 18 / 
Klingenfuss. 
 - 10th ed. 
 - Tuebingen :  Klingenfuss,  c1992. 
 - 534 p. :  ill. ;  24 cm. +  pbk. 
<br/><br/>General -- Monitoring utility stations -- Frequency list of utility stations -- Identification of stations -- Table of allocation of international call sign series -- Call sign list of utility stations -- Frequencies and stations without complete official call sign, and co-channel stations -- RTTY press services in alphabetical order -- RTTY press service in chronological order -- Meteorological RTTY services in alphabetical order -- Meteorological FAX schedules in alphabetical order -- NAVTEX transmissions on 518kHz -- Q code -- Z code -- Phonetic alphabet and figure code -- SINPO and SINPFEMO codes -- Designation of emissions -- Classes of stations and nature of the service -- Terms and definitions -- Aeronautical mobile service regulations -- Maritime mobile service regulations -- Standard telegram format regulations -- Service codes and abbreviations used in gentex and telex operation -- Country list and addresses of utility stations -- Abbreviations, disclaimer, advertisements. 
<br/><br/><label>ISBN: </label>3924509921 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.<br/>Radio in navigation.
<br/><br/><label>Dewey Class. No.: </label>621.38416