Aeroflex 9102 - Page 338

Chapter 16 SCPI Command Reference
Instrument commands
316 9102 Handheld Spectrum Analyzer Software version 5.31
:INSTrument:GPS:HDOP
:INSTrument:GPS:ALTitude
:INSTrument:GPS:ALTitude:UNIT
:INSTrument:GPS:COORdinate:UNIT
Syntax
:INSTrument:GPS:HDOP?
Parameters
There are no parameters.
Command
There is solely a query form of this command available.
Query
Returns a string containing one real value representing the HDOP value of
the received GPS data. This is a quality characteristic of the signal, values
below 2.0 representing a good signal.
Example
:INSTrument:GPS:HDOP?
The value returned in this example is: 1.8.
Syntax
:INSTrument:GPS:ALTitude?
Parameters
There are no parameters.
Command
There is solely a query form of this command available.
Query
Returns a string containing one real value representing the altitude of the
received GPS data. The value returned is converted to unit selected by
INSTrument:GPS:ALTitude:UNIT.
Example
:INSTrument:GPS:ALTitude?
The value returned in this example is: 574.3.
Syntax
:INSTrument:GPS:ALTitude:UNIT <PredefExpr>
Parameters
PredefExpr is one of the following predefined expressions:
METer|FEET. Default is METer.
Command
Selects the unit for GPS altitude result in meter or feet.
Query
Reads and returns the current setting.
Example
:INST:GPS:ALT:UNIT FEET
:INST:GPS:ALT:UNIT?
Returns the following string: "FEET".
Syntax
:INSTrument:GPS:COORdinate:UNIT <PredefExpr>
Parameters
PredefExpr is one of the following predefined expressions:
MINutes|DEGree. Default is MINutes.
Command
Selects the unit for GPS latitude and longitude results. This setting only
affects the manual mode; in remote mode, the results are always returned
in degrees.
Query
Reads and returns the current setting.
Example
:INST:GPS:COORdinate:UNIT DEG
:INST:GPS:COORdinate:UNIT?
Returns the following string: "DEGR".