(4) The medium through which radio waves are propagated causes fading
interference.
b. Man-made interference is generated by electrical devices.
High-
tension wires, motors, arc welders, and similar items can cause it. EW is
another form of man-made interference.
An enemy constantly monitors
3
friendly C system to gather information on friendly movement, capabilities,
identification, and locations.
Enemy EW systems intentionally disrupt
3
certain friendly force C systems to confuse and degrade operations. Some
enemy EW activities will sound like different types of interference caused
by static, electrical storms, sun spots, and electrical equipment. Others
activities will imitate different EMI types.
another. This may be from local or distant sources. Figure 3-2 shows some
of the associated common conditions.
Figure 3-2.
Mutual interference.
3.
Recognizing Jamming.
a. Radio operators must be able to recognize jamming.
This is not
always an easy task.
Threat jammers may employ obvious or subtle jamming
techniques. Operators must know how to discriminate between unintentional
interference and enemy jamming.
3-3
SS0135
Previous Page
