5.
What is one of the basic types of noise existing within line-of-sight or tropospheric scatter relay
systems?
a.
Solar noise.
b.
Precipitation noise.
c.
Intermodulation noise.
d.
All of the above.
6.
What is it called when one communication system interferes with another?
a.
b.
c.
d.
Mutual murial.
7.
What happens to communication equipment when there are eruptions on the sun and other stars?
a.
Atmospheric interference.
b.
Cosmic interference.
c.
d.
Increase signal strength.
8.
What type of interference is caused by charged particles in the atmosphere?
a.
Atmospheric interference.
b.
Cosmic interference.
c.
d.
None of the above.
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