Using the MICOM-3 GPS Receiver
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GPS Menu for the LLA Format
FULL Alternating display of the absolute velocity (VEL) in the horizontal plane, and its
direction relative to the North (azimuth – AZIMTH).
VERT Alternating display of altitude and up/down velocity.
DHOR Alternating display of North/South and East/West velocities.
HOR Alternating display of latitude and longitude.
TIME Display the time-of-day obtained from the GPS receiver.
DEV Used to check that the GPS receiver is operating.
FRMT Toggle the display format (to ECEF).
GPS Menu for the ECEF Format
X Display the X coordinate.
Y Display the Y coordinate.
Z Display the Z coordinate (altitude).
DX Display the velocity along the X axis.
DY Display the velocity along the Y axis.
DZ Display the velocity along the Z axis.
TIME Display the time-of-day obtained from the GPS receiver.
FULL Alternating display of the absolute velocity (VEL), and its direction relative to the
North (azimuth – AZIMTH).
DEV Used to check that the GPS receiver is operating.
FRMT Toggle the display format (to LLA).
First-Time Operation
The internal GPS receiver is always powered when the transceiver is turned on. Therefore, if the GPS
antenna is connected and you are in a good place with a clear view of the sky, the GPS receiver can
start the satellite acquisition process as soon as the transceiver is turned on, and can then track the
satellites continuously.
Thus, the GPS item on the FREQ or CH menu only enables/disables the display of GPS data: the
result is that after selecting GPS, the GPS data can be immediately displayed, and is updated once per
second (time is updated once every 5 seconds).
Before using the GPS receiver, turn the MICOM-3 transceiver on and let it operate for at least 15
minutes.
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