Radioteletype
Primary users
Principally, the primary users are those who need robust shortwave communications. Examples are: All military departments, all over the world (using cryptography) Diplomatic services all over the world (using cryptography) Weather reports are transmitted by the US Coast Guard nearly continuously RTTY systems are also fielded by amateur radio operators, and are popular for long-distance contacts One regular service is WLO, transmitting weather information from the United States in English, using ITA-2, with an intended audience of ocean-going vessels and those concerned with them: Another regular service transmitting RTTY meteorological information is the German Meteorological Service (Deutscher Wetterdienst or DWD).

Radioteletype

Section Title: Primary users
Table Section Text: Principally, the primary users are those who need robust shortwave communications. Examples are: All military departments, all over the world (using cryptography) Diplomatic services all over the world (using cryptography) Weather reports are transmitted by the US Coast Guard nearly continuously RTTY systems are also fielded by amateur radio operators, and are popular for long-distance contacts One regular service is WLO, transmitting weather information from the United States in English, using ITA-2, with an intended audience of ocean-going vessels and those concerned with them: Another regular service transmitting RTTY meteorological information is the German Meteorological Service (Deutscher Wetterdienst or DWD).

Callsign	Frequency	speed/shift

WLO	8474 kHz	45.45 baud/170 Hz

Sentence(s)

Speed and shift of the radioteletype system is 45.45 baud – 170 Hz.

final_sentence: Speed and shift of the radioteletype system is 45.45 baud – 170 Hz.