ALEOS 4.2.3 User Guide
216 20080616
Streaming Messages (Local)
The AirLink device can be configured to send standard NMEA messages
(sentences) in ASCII over the serial port and/or USB port without a PPP
connection to the local computer.
Send the command ATGPS1 to the serial port, ATGPS2 to the USB port, or
AT G P S 3 for both to begin the NMEA stream. The example below shows the
stream in HyperTerminal connecting directly to a AirLink device via the comport
and/or USB port. To stop the stream, with either terminal connection, use the
command ATGPS0 (this can be entered even while data is streaming).
Figure D-2: HyperTerminal: NMEA Streaming
Persistent Streaming
To have persistent streaming, allowing you to stream the data even after the
modem is reset, configure *PGPS and set *PGPSR for NMEA.
•0 - Disable NMEA streaming.
•1 - Stream the NMEA strings out the serial port only.
•2 - Stream the NMEA strings out the USB port only.
•3 - Stream the NMEA strings out both the serial and the USB ports.
•E1 - NMEA GGA, RMC, and VTG sentences.
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