(1) Centralized control.
Divisions submit their plans to the
corps frequency branch. The plans, in network diagram form, identify
and locate terminals and relays.
The grid coordinates for each are
given and hill numbers are given where possible.
(a) Upon receipt of multichannel network plans, the corps
communications-electronics officer plots all systems on a situation
map and assigns frequencies using various multichannel network
assignment techniques.
(b) After
units
review
their
frequency
assignments,
coordination is conducted between the unit concerned and the corps
frequency branch.
(c) All frequency requirements of units assigned or attached to
a military post are submitted to the post frequency officer who
normally works in the office of the post communications-electronics
officer. The post frequency officer will make necessary assignments
from the assigned pool of frequencies for local use. If the pool of
frequencies is not adequate to fulfill the request, the frequency
officer will forward the request to the local area frequency
coordinator.
He will, if necessary, forward it to the Joint
Frequency assignments are then sent back through the chain of command
to the post frequency officer for control and assignment.
(2) Decentralized control.
If the availability of frequencies
permits, sublists of frequencies may be prepared at corps level and
allocated to the subordinate units.
Acting for the division
communications-electronics
officer,
the
division
radio
officer
assigns the frequencies to each system in his respective area.
He
does this using the most effective frequency assignment he can. Upon
implementation, the complete multichannel radio network plan must be
forwarded to the corps frequency branch.
The decentralized control
method is the most commonly used throughout the Army for frequency
allocation.
45. General (Frequency Selection).
The methods of frequency selection depends on the type of
equipment and the configuration of the multichannel communications
network.
Much depends on the multichannel radio network; is it a
simple isolated system or a complex network where there are more than
two transmitters and receivers operating at the same location? Does
the
complex
network
have
light
and
heavy
traffic
routes
interconnecting and crossing of multichannel radio systems? These
factors must be considered when selecting the proper and workable
frequency allocation plan.
The method used for each equipment is
described
in
the
technical
manual
covering
that
equipment.
The radio set we will be concerned with will be
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