SE867-AGPS User Guide
1VV0300860 Rev. 3 - 2010-05-10
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 38 of 69
10.1.2.10.
VERSION
By VERSION command the user can read version number string. The format of this
message is as follows:
$PUNV,VERSION*6B
The reply to this command is CFG_R sentence described in 10.1.2.15.
This command is an alias to the command
$PUNV,GETCONFIG,09*48
10.1.2.11.
FOM
This message is navigation (PVT) quality indicator, i.e. figure-of-merit. It has the
following format:
$PUNV,FOM,
fom
*cc
fom
an integer number (0…9). Value 0 indicates invalid Fix. Value 1 indicates the
poorest Fix quality and value 9 indicates the highest quality.
Please see section 10.1.3.1 describing the way how this message can be enabled.
10.1.2.12.
SDB
This message provides satellites’ data
$PUNV,SDB,GPS,
EPHMASK
,
ALMMASK
,
RSIVMASK
,
SIVMASK
,
IONOFLAG
*cc
EPHMASK
is a bitmask showing for which SVs SE867-AGPS has valid ephemeris data.
It has a hexadecimal format with the bit index 0 associated with PRN 1, bit index 1
associated with PRN 2 etc.
ALMMASK
is a bitmask showing for which SVs SE867-AGPS has valid almanac data. It
has a hexadecimal format with the bit index 0 associated with PRN 1, bit index 1
associated with PRN 2 etc.
RSIVMASK
is a bitmask of SVs for which SE867-AGPS has signal strength information
(ones for which it shows signal strength in GSV NMEA sentence). It has a hexadecimal
format with the bit index 0 associated with PRN 1, bit index 1 associated with PRN 2 etc.
