Radiogram (message)

Radiograms are typically employed for conducting Record communications, which provides a message transmission and delivery audit trail.

From 1850 to the mid 20th century industrial countries used the electric telegraph as a long distance person-to-person text message service.

Around 1906 industrial nations began building powerful transoceanic radiotelegraphy stations to communicate with other countries and their overseas colonies.

Each telegraph company likely had its own format, but soon after radio telegraph services began, some elements of the message exchange format were codified in international conventions (such as the International Radiotelegraph Convention, Washington, 1927), and these were then often duplicated in domestic radio communications regulations (such as the FCC in the U.S.) and in military procedure documentation.

One notable example is the notification of the air raid on Pearl Harbor[4] that brought the United States into World War II.

Example radiogram from A National Training Manual and Procedural Guide for Police and Public Safety Radio Communications Personnel, 1968.

[14] From the above training manual: A formal message is one constructed, transmitted and recorded according to a standard prescribed form (see Sec.

It is a plaintext message, along with relevant metadata (headers), that is placed into a traffic net by an amateur radio operator.

VOA Radiogram was an experimental Voice of America program, aired from 2012 to 2017, which broadcasts digital text and images via shortwave radiograms [15] This digital stream can be decoded using a basic AM shortwave receiver and freely downloadable software of the Fldigi family.

Broadcasts were made via the Edward R. Murrow transmitting station in North Carolina on the following schedule:[15] Due to the retirement of Dr. Kim Andrew Elliott from VOA and the decision of VOA to not replace his role with the program,[16] VOA Radiogram program's final airing was on June 17–18, 2017,[17] however Elliott will be continuing to air Radiograms via commercial shortwave stations under the name of "Shortwave Radiogram.