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Frequency deviation range :
Hydrographic and Oceanographic Department :
Hydrographic and Oceanographic Department of Japan Coast Guard. Publisher of ENC
Import (Chart Maintenance) :
Interswitch Unit
Leg
Lost AIS target
Lost tracked target
Power amplifier
Primary
Pulse compression
Radar beacon
Range
Reference target
Report
Rubber band
Scale
:
Screen displayed on the LCD
The range of variation of the Q0N frequency used for transmission
waves of a solid-state radar. Generally, the greater the frequency
deviation range, the higher the resolution in the range direction.
A procedure of enabling the chart supplied by Base CD to be
displayed on ECDIS
:
A device to switch over two or more radar display units and two or
more radar antennas
:
Line between two consecutive waypoints
:
A target symbol representing the last valid position of an AIS target
before the reception of its data was lost, or its last dead-reckoned
position.
:
One for which target information is no longer available due to poor, lost
or obscured signals.
:
A radio frequency amplifier circuit consisting of semiconductor
elements used for solid-state radars. It employs a high frequency, high
power FET.
:
Main positioning sensor
:
Correlation processing performed when a transmitted chirp signal is
received by a solid-state radar after reflecting off the target. This
processing gain enables the radar to have necessary detection
capability even when a transmission power is low.
:
A navigation aid which responds to the radar transmission and
generates radio wave
:
An area of the chart displayed on the screen. Represented by one half
of the length of the chart display screen.
:
A fixed target specified to calculate the speed over the ground
:
User report to be issued periodically for using the Dynamic License
method of Jeppesen continuously
:
Border that indicates the selected range.
:
The display scale
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