User's Manual
Table Of Contents
- Trimble® R7/R8 GPS Receiver User Guide
- Introduction
- Trimble R7 GPS Receiver
- Overview
- Setting up the Receiver
- General Operation
- Configuration
- Transferring Data
- Software Utilities
- Specifications
- Default Settings
- Cables and Connectors
- Event Marker Input and 1PPS Output
- Trimble R8 GPS Receiver
- Overview
- Setting up the Receiver
- General Operation
- Configuration
- Software Utilities
- Specifications
- Default Settings
- Cables and Connectors
- Appendixes Trimble R7 / Trimble R8
- NMEA-0183 Output
- RTCM Output
- Troubleshooting
- Index
8 Specifications
82 Trimble R7/R8 GPS Receiver User Guide
Trimble R7 Operation
8.4 Technical Specifications
Table 8.3 lists technical specifications for the Trimble R7.
Table 8.3 Technical specifications
Feature Specification
Tracking 24 Channels L1 C/A Code, L2C, L1/L2 Full Cycle
Carrier, WAAS/EGNOS support
Fully operational during P-code encryption
WAAS satellite tracking
Signal processing Maxwell V architecture
Very low-noise C/A code processing
Multipath suppression
Start-up Cold start: < 60 seconds from power on
Warm start: < 30 seconds with recent ephemeris
Initialization Automatic while moving or static
Minimum
initialization time
10 sec + 0.5 × baseline length (km)
Communications Three RS-232 serial ports (Port 1, Port 2, and Port 3)
Baud rates up to 115,200 bps
RTS/CTS flow control negotiation supported on Port 3
only
One USB port (download only)
Configuration Via user-definable application files or GPS
Configurator
Output formats NMEA-0183: AVR; GGA; GSA; GST; GSV;
PTNL,GGK; PTNL,GGK_SYNC; HDT; PTNL,PJK;
PTNL,PJT; ROT PTNL,VGK; VHD; VTG; ZDA
GSOF (Trimble Binary Streamed Output)
1PPS
RT17