3. The DSCS controller is responsible for the DSCS network. This encompasses all users including GMF
terminals working a particular satellite. The DSCS controller-
Closely coordinates with the GMF controller during start and antijamming procedures.
Informs the GMF controller when violations occur on the GMFSC network.
Links up with the GMF controller on the control orderwire.
4. The GMF controller operates under the direct supervision of the GMF manager. The controller operates and
maintains the control and monitoring equipment. The GMF controller-
Establishes a positive control with each terminal over the control orderwire.
Starts communications links within parameters provided by the GMF manager.
Monitors systems and link performance.
Controls adjustments of links to satisfy performance requirements.
Instructs violators to operate within assigned parameters and reports willful violations.
Analyzes system and station malfunctions.
Maintains orderwire link with GMF operators and DSCS controllers.
Analyzes jamming signals and interference to determine corrective actions.
Determines frequency compatibility when terminals are relocating.
Assigns previously cleared frequencies to another user when interference in the network is present.
5. The TACSAT communications terminal operator interfaces directly with the GMF controller. The user or
operator follows instructions and reports status and performance of the TACSAT communications terminal.
The operator-
Operates and maintains the TACSAT communications terminal.
Follows the GMF controllers instructions and coordinates during link start for reconfigurations and at
the same time isolates system malfunctions.
Monitors uplink power, downlink signal levels, and bit error rate (BER).
Relocates TACSAT communications terminal on proper command.
SS0031
5-20
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