Cisp Flashcards
Name two types of electromagnetic waves?
Longitudinal
Transverse
Define strategic communication
Communications between units and authorities requires the use of shore stations conveying operationally and administrative information requires long range and worldwide coverage
Define military communications
The rapid transfer between military units and the authorities that control them
List 3 methods of communication
Visual
Line
Radio
Define a radio communication system
The medium of radio waves to transmit and receive information
Define propagation
The way in which radio waves travel through the earths atmosphere or space
What layers are present in the ionosphere during the day
F1
F2
D
E
Define emission designator
Internationally recognised short band that accurately describes the construction of an emission
What does RATT stand for
Radio automatic teletype
Define RATT parameter arrangement
Indicates if the active tone is higher or lower in frequency than the inactive done
3 elements of a basic communications system
Sender
Medium (bearer)
Receiver
What range of frequencies is suitable for sky wave propagation
Mf and hf
