Document Outline

• Lassen-SK8™
  • Table of Contents
  • List of Figures
  • List of Tables
  • Preface
    • Scope and Audience
    • Lassen-SK8 Manual Organization
    • Technical Assistance
    • Reader Comment Form
  • 1 Starter Kit
    • 1.1 Lassen-SK8 Overview
      • 1.1.1 Interface Protocols
      • 1.1.2 Starter Kit Components
    • 1.2 GPS Receiver Module
    • 1.3 Antenna
    • 1.4 Power
    • 1.5 Hardware Setup
    • 1.6 Running the TSIP Interface Program
  • 2 Hardware Integration
    • 2.1 The Lassen-SK8 Receiver Module
    • 2.2 Interface Connector
    • 2.3 Power Requirement
    • 2.4 Serial Interface
    • 2.5 Pulse Per Second
    • 2.6 Mounting
    • 2.7 RF Shield
  • 3 Software Interface
    • 3.1 Start-up
    • 3.2 Software Tool Kits
    • 3.3 Communicating with the Lassen-SK8 Module
    • 3.4 Protocol Summary
      • 3.4.1 TSIP Data Output
      • 3.4.2 TAIP Data Output
      • 3.4.3 NMEA 0183 Data Output
    • 3.5 Timing Applications
      • 3.5.1 Effect of GPS Week Number Roll-over (WNRO)
    • 3.6 Differential GPS
  • 4 Operation and Performance
    • 4.1 GPS Satellite Message
    • 4.2 Satellite Acquisition and Time to First Fix
      • 4.2.1 Cold-Start
      • 4.2.2 Warm Start
      • 4.2.3 Garage Search Strategy
      • 4.2.4 Hot Start
    • 4.3 Satellite Mask Settings
      • 4.3.1 Elevation Mask
      • 4.3.2 SNR Mask
      • 4.3.3 PDOP Mask
      • 4.3.4 PDOP Switch
    • 4.4 Standard Operating Modes
      • 4.4.1 Fix Modes
    • 4.5 Differential GPS Operating Modes
      • 4.5.1 DGPS On
      • 4.5.2 DGPS Off
      • 4.5.3 DGPS Automatic
      • 4.5.4 Differential GPS Operation
    • 4.6 Position Accuracy
      • 4.6.1 Selective Availability (SA)
      • 4.6.2 Differential GPS (DGPS)
    • 4.7 Coordinate Systems
      • 4.7.1 TSIP Coordinate Systems
      • 4.7.2 NMEA 0183
      • 4.7.3 TAIP
    • 4.8 Performance Characteristics
      • 4.8.1 Update Rate
      • 4.8.2 Dynamic Limits
      • 4.8.3 Re-Acquisition
    • 4.9 GPS Timing
      • 4.9.1 Serial Time Output
      • 4.9.2 Timing Pulse Output (PPS)
    • 4.10 System Architecture
  • A Trimble Standard Interface
    • A.1 Interface Scope
    • A.2 Automatic Output Packets
    • A.3 Customizing Receiver Operations
      • A.3.1 TAIP Customizing
      • A.3.2 NMEA Customizing
      • A.3.3 Reconfiguring to Factory Default Settings
    • A.4 Automatic Position and Velocity Reports
    • A.5 Warm Start Packets
    • A.6 Packets Output at Power-Up
    • A.7 Differential GPS Packets
    • A.8 Timing Packets
    • A.9 Satellite Data Packets
    • A.10 Background Packets
    • A.11 Backwards Incompatibility of Lassen-SK8
    • A.12 Recommended TSIP Packets
    • A.13 Command Packets Sent to the Receiver
    • A.14 Report Packets Sent by the GPS Receiver to the User
    • A.15 Key Setup Parameters or Packet BB
      • A.15.1 Packet 0xBB - Set Fix Mode
      • A.15.2 Dynamics Code
      • A.15.3 Elevation Mask
      • A.15.4 Signal Level Mask
      • A.15.5 DOP Mask and Switch
      • A.15.6 Packet 0xBB - Set DGPS Mode
    • A.16 Packet Structure
    • A.17 Packet Descriptions
      • 0x1D
      • 0x1E
      • 0x1F
      • 0x21
      • 0x23
      • 0x24
      • 0x25
      • 0x26
      • 0x27
      • 0x28
      • 0x2A
      • 0x2B
      • 0x2D
      • 0x2E
      • 0x31
      • 0x32
      • 0x35
      • 0x37
      • 0x38
      • 0x39
      • 0x3C
      • 0x41
      • 0x42
      • 0x43
      • 0x45
      • 0x46
      • 0x47
      • 0x48
      • 0x4A
      • 0x4B
      • 0x4D
      • 0x4E
      • 0x55
      • 0x56
      • 0x57
      • 0x58
      • 0x59
      • 0x5A
      • 0x5C
      • 0x60
      • 0x61
      • 0x62
      • 0x65
      • 0x6D
      • 0x6E
      • 0x6F
      • 0x70
      • 0x7A
      • 0x7B
      • 0x82
      • 0x83
      • 0x84
      • 0x85
      • 0x8E and 0x8F
      • 0xBB
      • 0xBC
    • A.18 TSIP Superpackets
      • 0x8E-15
      • 0x8E-19
      • 0x8E-20
      • 0x8E-26
      • 0x8F-15
      • 0x8F-17
      • 0x8F-18
      • 0x8F-19
      • 0x8F-20
      • 0x8F-26
    • A.19 Datums
    • A.20 Reference Documents
  • B TSIP User's Guide
  • C Trimble ASCII Interface Protocol