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The ISM radio bands are portions of the radio spectrum reserved internationally for industrial, scientific, and medical (ISM) purposes, excluding applications in telecommunications. [1] Examples of applications for the use of radio frequency (RF) energy in these bands include RF heating, microwave ovens, and medical diathermy machines.
Standard chart of "International Flags and Pennants" of the International Code of Signals (also known as "Pub. 102") "The purpose of the International Code of Signals is to provide ways and means of communication in situations related essentially to safety of navigation and persons, especially when language difficulties arise."
The Standard Marine Communication Phrases (SMCP) is a set of key phrases in the English language (which is the internationally recognised language of the sea), supported by the international community for use at sea and developed by the International Maritime Organization (IMO). They aim to explain: 1) external communication phrases – ship to ...
International maritime signal flags are various flags used to communicate with ships. The principal system of flags and associated codes is the International Code of Signals . [ 1 ] Various navies have flag systems with additional flags and codes, and other flags are used in special uses, or have historical significance.
Marine VHF radio is a worldwide system of two way radio transceivers on ships and watercraft used for bidirectional voice communication from ship-to-ship, ship-to-shore (for example with harbormasters), and in certain circumstances ship-to-aircraft.
Spectrum management is a growing problem due to the growing number of spectrum uses. [6] Uses include: over-the-air broadcasting, (which started in 1920); government and research uses (which include defense, public safety—maritime, air, police—resource management, transport, and radio astronomy); commercial services to the public (including voice, data, home networking); and industrial ...
The ISM said its manufacturing PMI rose to 47.2 last month from 46.8 in July, which was the lowest reading since November. A PMI reading below 50 indicates contraction in the manufacturing sector ...
Maritime transport (or ocean transport) or more generally waterborne transport, is the transport of people or goods via waterways. Freight transport by sea has been widely used throughout recorded history .