- Overview
- Configuration
- NTP4 Plug-In
- Hardware
- RFC 868
- RFC 2030
-
RFC 1305
- RFC 1305
- 1. Introduction
- 1.1 Related Technology
- 2. System Architecture
- 2.1 Implementation Model
- 2.2 Network Configurations
- 3. Network Time Protocol
- 3.1 Data Formats
- 3.2 State Variables and Parameters
- 3.2.1 Common Variables
- 3.2.2 System Variables
- 3.2.3 Peer Variables
- 3.2.4 Packet Variables
- 3.2.5 Clock-Filter Variables
- 3.2.6 Authentication Variables
- 3.2.7 Parameters
- 3.3 Modes of Operation
- 3.4 Event Processing
- 3.4.1 Notation Conventions
- 3.4.2 Transmit Procedure
- 3.4.3 Receive Procedure
- 3.4.4 Packet Procedure
- 3.4.5 Clock-Update Procedure
- 3.4.6 Primary-Clock Procedure
- 3.4.7 Initialization Procedures
- 3.4.7.1 Initialization Procedure
- 3.4.7.2 Initialization-Instantiation Procedure
- 3.4.7.3 Receive-Instantiation Procedure
- 3.4.7.4 Primary Clock-Instantiation Procedure
- 3.4.8 Clear Procedure
- 3.4.9 Poll-Update Procedure
- 3.5 Synchronization Distance Procedure
- 3.6 Access Control Issues
- 4. Filtering and Selection Algorithms
- 4.1 Clock-Filter Procedure
- 4.2 Clock-Selection Procedure
- 4.2.1 Intersection Algorithm
- 4.2.2. Clustering Algorithm
- 5. Local Clocks
- 5.1 Fuzzball Implementation
- 5.2 Gradual Phase Adjustments
- 5.3 Step Phase Adjustments
- 5.4 Implementation Issues
- 6. Acknowledgments
- 7. References
- Appendix A
- Appendix B
- Appendix C
- Appendix D
- Appendix E
- Appendix F
- Appendix G
- Appendix H
- Appendix I
- Time Tools
- NTP Auditor
- About
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Windows Time Server
Bytefusion InSync GPS Master ClockThis driver supports the Bytefusion InSync GPS Master Clock.
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| • | Accurate and reliable ( microsecond accuracy, 24/7 availability ) |
| • | Easy to install ( most users up and running in less than two minutes ) |
| • | Versatile (uses power from the computer keyboard so it works anywhere in the world) |
GPS Master Clock GPS Receiver Details :
Output |
NMEA0183 V2.2 protocol, and supports command: GGA, GSA, GSV, RMC. |
Hot Start |
Less than 8 sec. |
Warm Start |
Less than 40 sec. |
Cold Start |
Less than 50 sec. |
Re-acquisition |
100ms |
Time Accuracy |
340 nsec 95%, C/A code |
Channels |
12 |
Sensitivity |
-170 dBW |
Driver tunables :
Tunable |
Values/Units |
Description |
time1 |
seconds |
offset calibration factor |
stratum |
0-15 |
server stratum, default 0 |
refid |
one to four letters |
server identifier |