Spectracom GSG-5 series, User Manual With Scpi Manual

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1.
Navigate to Options > Transmit Power .
2.
Adjust the GPS L1C/A band Ref. power . The power is specified in dBm . The supported
range is: Max. -65 dBm … Min. -160 dBm.
3.
Select Signals power configuration to open the corresponding menu.
4.
Select the desired constellation, and adjust the power for each signal type supported by
this constellation.
Note: When changing the power setting for a signal type, the Reference
Power (absolute power level of GPS L1 C/A) and Relative Power offsets
for all the remaining signal types will remain unchanged.
Figure 3-25:
Signals power configuration menu
Use the format key to switch between the absolute or relative mode of displaying/editing
power. When the Absolute Power mode is active and Reference Power is changed, the Relative
Power offsets will stay unchanged, so that absolute powers will be “shifted” together with the
Reference Power .
Default Power Configurations
Signal name Orbit type name
Absolute power
(dBm)
Relative power
(dBm)
GPSL1CA (reference) -128.5 0
GPSL1P -131.5 -3
GPSL2P -131.5 -3
GPSL2C -128.5 0
GPSL5 -127 +1.5
3.6 "Options" Menu
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User Manual GSG-5/6 Series Rev. 26
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