Odetics
Telecom
GPStar
plus
Model 365
365-8006
Getting Started 4 - 4
Mode:
Pos Averaging
Elev:+00000.00 m
≡
Lat: N 33
o
48.6127 Lon: W 117
o
54.6167
•
Press the Enter key to accept the selected mode.
If the
Pos Averaging
mode is selected, the unit will automatically determine the antenna
position. However, the acquisition of satellites can be accelerated if the user already
knows the approximate position of the antenna.
If the
Known
mode is selected, the unit uses the existing antenna position data. If the
existing position data is not accurate the timing accuracy of the unit will be degraded.
To change the position data:
•
Press the Edit key, and use the arrow keys, the numeric keys, and the Enter key
to enter the elevation, latitude, and longitude of the antenna.
Note: It is necessary to press the Enter key at each position element prompted by the
flashing cursor to properly load the position, even if only one element has been
changed.
4.5
ANTENNA CABLE DELAY COMPENSATION SELECTION
For the most accurate timing, it is necessary to compensate for the signal delay caused
by the antenna system. The delay is the sum of all satellite signal delays between the
antenna and the receiver, including delays due to the antenna cable length and, if
used, the in-line amplifier and/or filter. The delay compensation can also be used for to
compensate for system offsets external to the unit. The maximum delay compensation
(offset) range is +/- 99,999 ns. To view the present internal offset/antenna cable delay
compensation settings:
•
Press key 1 until Time Menu 2 of 5 is selected (
Time Mode, Local Offset,
Internal Offset screen
).
Time Mode:LUTC Local Offset:-08 hrs
≡
Internal 00050 ns
This screen indicates the selected Time Mode (reference) is UTC, the Local Offset is
set to -8 hours, and the Internal Offset is set to +00050 ns.
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