Radio message
A radio message (also: radio telegram shortly FT ) is a shape-related message that via radio in radio communications discontinued ( "sparked") is. It is used mainly for the transmission of information .
The information contained in the radio message includes, depending on the radio service, the identification of the radio operator or radio station as well as the naming of the radio call name or call sign of the target person, as well as the information to be transmitted in the form common to the respective radio service ( BOS -, amateur -, sea - and Aeronautical radio , for example, have different radio guidelines or operating techniques). In addition, there may be content of a private or non-security-related nature.
In the radio message, the aim is to have the most compressed form of information possible in order to efficiently utilize the mostly limited bandwidth. The compression by using abbreviations, formulas or Q-groups has the advantage that the frequency used is only used for a short time and the battery is saved with mobile radio devices .
Radio messages are to be distinguished from informal radio conversations and announcements. Radio messages within the BOS radio must usually be documented.
In the early days of broadcasting, the Breslau broadcaster published the radio-technical magazine Der Funkspruch .
Special forms
- A special form of the radio message is the broadcast , which is not used to establish contact or to transmit information with a single radio station, but rather transmits information to several participants in the service concerned.
- The general call ( CQ ) is a radio message that does not initiate contact with a specific radio station, but rather addresses each radio station that received the call and wants to answer it.
- Urgency calls and emergency calls are also common forms of radio communication.
Encrypted radio message
Another special form of a radio message is the encrypted radio message. In contrast to the amateur radio service , which serves the purpose of international understanding , and for this reason does not use encrypted radio messages, but always the "open wording" in the form of " clear statements ", in military radio communications , for example, the secrecy of the information transmitted is essential. " Secret sayings " are transmitted here. To this end, for example, the German set Wehrmacht in World War II , the rotor machine Enigma a. The picture (right) shows a German radio message intercepted by the British interception service (Y service) .
Individual evidence
- ↑ 75 years later - The true story of the U 96 by Gerrit Reichert in the Schweriner Volkszeitung on March 12, 2017, accessed on June 24, 2019