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|  TM 11-5820-890-10-8
CUE RESPONSE
The NCS or an Alternate NCS is responsible for responding to "CUE"
calls. A CUE caller is one who needs an ERF to get back into the
secure, FH net, or one who has a VRC-12 type radio and must use the
SC mode to communicate. By not loading the CUE frequency, net
operators are spared the distraction of "CUE" messages appearing in
their RT displays, Also, if the enemy is credited with direction finding
capability, the NCS station that responds to a CUE call using single
channel mode, should displace Immediately after completing the CUE
response.
RXMT OPERATIONS
It is the NCS who must anticipate the need for RXMT operations, alert
the RXMT crew in time for them to make preparations and move to the
RXMT site, and maintain RXMT communications with the distant
station. It is the NCS who will also make use of RXMT capabilities to
communicate between a frequency hopping and single channel net.
ALTERNATE NCS
The NCS has a full time job maintaining net discipline and controlling
the net. An important NCS requirement is to make proper use of
Alternate NCS stations for critical functions such as responding to CUE
calls, entering late members into the net, and continuing to use old data
until all net members have changed over to updated data.
For periodic updates, the NCS assists the unit Signal Officer in the task
UPDATES
of getting some ANCDs reloaded and new data manually distributed to
net operators. On those special occasions when it is impossible or
impractical to physically disseminate new data, it falls to the NCS to
transmit TEKs, FH data, or SOI information by electronic transfer
means. Depending upon the state of training and extent of experience,
it may be necessary for the unit Signal Officer and communications
specialists to assist NCSs in the use of electronic transfer procedures.
SUMMARY OF TRANSFER METHODS
TYPE OF DATA
FH
COM
DATA
SEC
SOI
MODE OF
NET SYNC LOCK HOP
SOI
ID
TIME OUT
SET
TSK
TEK
KEK EXT
DISTRIBUTION
YES
YES
PHYSICAL
YES
YES
YES
YES
YES
YES
ERF
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
BROADCAST
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO*
NO
OTAR
NO
Figure 7-1. Summary of Transfer Methods
*
Although the KEK in receiving radios is automatically updated during an AK OTAR transfer, a
KEK cannot be electronically transferred from one location to another:
6-5
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