Novatel OM-20000041 用户手册

Listing Of Tables

MiLLennium GPSCard Software Version 4.50 Command Descriptions Manual Rev 1

243

Table 1-1

GPSCard Pseudorange Differential Initialization Summary

Table 1-2

Latency-Induced Extrapolation Error

Table 2-1

Commands By Function Table

Reference Station

Remote Station

Required:

FIX POSITION lat lon hgt id (health)
LOG port DATATYPE ontime 5

Recommended Options:

LOG DATATYPES (binary):

RTCMB
RTCAB
RTCM
RTCA

LOG DATATYPES (acii):

RTCMA
RTCAA

Related Commands/Logs:

RTCMRULE
DATUM

Required:

ACCEPT port DATATYPE

Recommended Options:

ACCEPT DATATYPES (binary):

RTCM
RTCA

ACCEPT COMMANDS (ascii):

RTCMA
RTCAA

Related Commands/Logs:

RTCMRULE
DATUM
POSA/B
VLHA/B
CDSA/B
GPGGA

Example 1:
fix position 51.3455323 -114.2895345 1201.123 555 0
log com 1 RTCM ontime 2

Example 2:
fix position 51.3455323 -114.2895345 1201.123 555 0
log com2 rtcaa ontime 2

Example 1:
accept com2 rtcm
log com1 posa ontime 1

Example 2:
accept com2 commands
log com1 posa ontime 0.2
log com1 vlha ontime 0.2

Note:

Italicized entries indicate user definable.

Time since last reference station observation

Typical extrapolation error (CEP)

0-2 seconds

1 cm/sec

2-7 seconds

2 cm/sec

7-30 seconds

5 cm/sec

COMMUNICATIONS, CONTROL AND STATUS

Commands

Descriptions

ANTENNAPOWER

Power to the low-noise amplifier of an active antenna

COMn

COMn port configuration control

COMn_DTR

DTR handshaking control

COMn_RTS

RTS handshaking control

DIFF_PROTOCOL

Differential Protocol Control

FREQUENCY_OUT

Variable frequency output (programmable)

LOG

Logging control

MESSAGES

Disable error reporting from command interpreter

RINEX

Configure the user defined fields in the file header

RTCMRULE

Sets up RTCM bit rule

RTCM16T

Enters an ASCII message

SEND

Sends ASCII message to COM port

SENDHEX

Sends non-printable characters

SETL1OFFSET

Add an offset to the L1 pseudorange to compensate for
signal delays