EASY is on by default but can be disabled by command PMTK869.
4.5.2. Server-generated AGPS - Extended Prediction Orbit (EPO)
(SL869-V2 and SL869L-V2 only)
Server-based ephemeris predictions are maintained on Telit AGPS servers. The
predicted ephemeris file is obtained from the AGPS server and is transmitted to the
module over serial port 1 (RX). These predictions do not require local broadcast
ephemeris collection and are valid for up to 14 days.
Note that the EPO data stream does not conform to the NMEA-0183 standard.
Please refer to the Telit EPO Application Note for details.
Example source code is available under NDA.
Contact TELIT for support regarding this service.
Please refer to the next section regarding EPO support (Host EPO) on the SL869-V2S and
SL869L-V2S.
4.5.3. Host EPO
The SL869-V2S and SL869L-V2S do not have flash memory. However, they can still make
use of Assisted GPS. If the system design includes a host processor, it can access server-
generated EPO data and send it to the module over the primary serial port. This data is
valid for six hours. Host EPO data is not retained over a power cycle.
Note that the EPO data stream does not conform to the NMEA-0183 standard.
Please refer to the MT333x Host EPO Application Note.
Contact Telit support for further details.
10 Hz Navigation
The default rate of 1 Hz can be changed by command PMTK500 to a maximum of 10 Hz.
Enabling the SBAS feature limits the maximum fix rate to 5 Hz.
The SL869-V2S and SL869L-V2S maximum is 5 Hz.
Elevation Mask Angle
The default elevation mask angle is 5°. It can be changed via the PMTK311 command.
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