Factory default nct messages, Message descriptions, Table 12: factory default nct messages & responses – NavCom StarUtil-3000 Rev.G User Manual
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StarUtil 3000 User Guide
– Rev G
6-107
Factory Default NCT Messages
Table
12
: Factory Default NCT Messages & Responses
Output on Ports COM1 and USB1
Message
Rate
Description
ALM1B
On Change
Satellite Almanac
CHNLSTATUS1B
On Time 1Hz
ASIC & StarFire Channel Status
EPHEM1B
On Change
Satellite Ephemeris
MEAS1B
On Time 1Hz
Raw Satellite Measurement Data
MSGPRODUCTINFO
On Time 600 Sec
Product Type, Digital Serial Number, and System Revision Number
MSGVERSION
On Time 600 Sec
Firmware Identification Block
PVT1B
On Time 1Hz
Position, Velocity, and Time (PVT) Solution
PANICA
On Change
Factory Use
Output on All Ports
Message
Rate
Description
OK (mnemonic)
On Change
Ack (“Acknowledged”).
Ack indicates a successful input message operation.
?? (mnemonic)
{argument error}
On Change
Nak (“Not Acknowledged”). NAK indicates a failure in executing a
command.
PANICA
On Change
Factory Use
for definitions of these rates.
Message Descriptions
The following message descriptions are fully defined in the Sapphire Technical Reference
Manual (see Related Documents).
ALM1B Packed Almanac:
Data corresponding to each satellite in the GPS constellation, including: GPS Week number
of collected almanac, GPS Time of week [in seconds] of collected almanac, almanac
reference week, almanac reference time, almanac source, almanac health, pages 1-25, and
sub-frames 4 and 5. Packed almanac data for 32 GPS or 24 GLONASS satellites.
CHNLSTATUS1B Channel Status:
Receiver channel status information containing: Sapphire engine status, number of satellites
viewed/tracked, PDOP, tracked satellite identity, satellite elevation and azimuth, C/No for the
track signals, and correction age for each satellite.
EPHEM1B Packed Ephemeris:
Individual satellite tracking information, including GPS Week number of collected ephemeris,
GPS Time of week [in seconds] of collected ephemeris, IODC, and sub-frame 1, 2, and 3
data. Packed ephemeris data for 32 GPS or 24 GLONASS satellites.
MEAS1B Raw Measurement Data:
Raw Measurement Data Block containing: Raw measurements from satellites so
measurements can be post-processed to achieve precise point positions, the GPS Week,
GPS Time of Week, Time Slew Indicator, Status, Channel Status, CA Pseudorange, L1
Phase, P1-CA Pseudorange, P2-CA Pseudorange, L2 Phase, GPS L5, GLONASS G1 and