Localization of GPS Beidou Satellite Timing System

GPSLocalization of Beidou Satellite Timing System（GPSTiming system,NTPtime server,Beidou timing equipment)GPSSignal establishment time standard source, and optional Beidou satelliteIRIG-B（DC）CodeOCXOConstant temperature crystal oscillator, rubidium atomic clockCDMASignal and other time sources, with timing accuracy of up to30nS.

Shanghai Ruicheng Electric Co., LtdGPSThe Beidou satellite timing device is produced using surface mount technology and designed with high-speed chips. It has the characteristics of high precision, good stability, strong functionality, high cost-effectiveness, no accumulated errors, no environmental restrictions, simple operation, fully automatic intelligent operation, and maintenance free, making it suitable for unmanned operation.

GPSThe localization of the Beidou satellite timing device adopts a fully modular structure design, which not only achieves full board compatibility, but also provides rich signal interface resources and an open special interface design platform, with compatibility capabilities. Can provide multiple pulse signals and time messages（RS232/422/485(Light)IRIG-BSignal（DCTheAC(Light)DCF77signalNTP/SNTPProtocol network time synchronization signalPTP（IEEE1588）Protocol signal10MHzThe frequency signal can meet the timing interface requirements of different devices. The device has been widely usedITTime service in the fields of petrochemicals, metallurgy, communication, electricity, finance, broadcasting and television, security, transportation, water conservancy, national defense, healthcare, government agencies, education, etc.

GPSThe design basis of the Beidou satellite timing system follows the principles of maturity, accuracy, simplicity, reliability, easy scalability, and easy management to ensure long-term safe, reliable, and low-cost operation. Simultaneously easy to manage and expand.

GPSTechnical specifications of Beidou satellite timing device:

1Operating temperature:-20℃～+70℃, storage temperature:-40℃～+85℃, humidity:<95%.

2Power consumption: ≤20W.

3Power supply:220/110Vhand over/DC adaptive,Dual power redundancy.

4Time source:GPSSatellite, Beidou satelliteIRIG-B（DC）CodeOCXOConstant temperature crystal oscillator, rubidium atomic clockRS232TheCDMAThe1PPSOptional.

5Beidou receiving module;Receiving frequency（BD2 B1）：1561.098±4MHz,Receiving sensitivity:-157.6dBW；

(TTFF)Cold start:32s,warm start:1s,Lost lock recapture:<1sLocation data update rate:1HzThe2HzThe4HzThe8HzThe16HzOptional; positioning accuracy(RMS)：3m,Three dimensional; Speed accuracy(RMS)：0.1m/s.

6．GPSReceiving module receiving frequency:1575.42MHzReceiving sensitivity: Capture<-160dBWTracking<-163dBWCapture time: When the device is cold started2minWhen the device is hot started10SInternal battery type: lithium battery, battery life: ≮25000h.

7Timing accuracy: pulseBCode:0.1MSSerial port:10MS，NTP/SNTP：0.2-10ms，PTP:70 ns.

8．NTP/SNTPThroughput: Meet the requirement of per second20000Second time request.

9Network port supports protocols:NTP/SNTP，ARP，UDP/Time，Telnet，TFTP，SNMP，ICMP，DHCP，MD5,WEB.

10. Dimensions: Rack mounted chassis,1U/2U、19Inches.

11Standard configuration for timing antenna length30rice,optional50、60、80、100、150、200Rice or longer.

12．(MTBF)≥80000Hour; Average repair time（MTTR）Generally not greater than30divide,Under normal usage conditions, no maintenance is required.

GPSCharacteristics of Beidou Satellite Timing System

1.Modular structure, realizing the generalization of satellite clocks and rational allocation of interface resources.

2.The module supports hot plugging and automatic detection, facilitating online system maintenance and ensuring continuous and reliable operation of the system.

3.Rack mounted structure,19 Inch standard chassis, easy to install.

4.Adapt to more networking methods,Mutual backup mode, master-slave mode, etc.

5.Flexible and versatile networking modes. Suitable for dual or multiple clock backup, mother and child clocks, and other methods.

6.Flexible and versatile expansion methods. Can be achieved through fiber optic cables, networksRS485DifferentialRS232Serial port, air contactTTLExpand the timing signal in various ways.

7.System operation status output, multiple ways to connect to the synchronized clock monitoring system of the entire network.

8.By using high-performance devices and soft processing methods, high-precision hard timing signals can be provided. Combined with second pulse compensation processing, the accuracy of the second pulse front at the exit of the entire station can be guaranteed to reach30nS.

9.Provide high-precision clock timing performance, ensuring better timing accuracy than when the clock source is disconnected5x10^-9.

10.It can provide time services for hundreds of thousands of clients, servers, and workstations simultaneously.

11.supportWINDOWS9X/NT/XP/2000/2003/2008/WINDOWS7TheWINDOWS10TheLINUXTheUNIXTheSUN SOLARISTheIBM AIXTheHP-UXWaiting for the operating system and supportNTPProtocol routers, switchesDVRTheNVRIntelligent controllers and other network devices.

12.The integration of multiple satellite systems and seamless switching between different systems ensure the security and reliability of the timing system. Currently supports accessGPSBeidou, Gronase.

13.Using digital display, it has the characteristics of high brightness, wide viewing angle, environmental resistance, and long lifespan.

GPSQuality service of Beidou satellite timing device products:

1Ruicheng clock synchronization equipment comes with a three-year warranty.

2．After receiving a fault report for repair2Respond within hours, within8Provide communication guidance within hours to resolve the issue. If the issue cannot be resolved, thenResolve the issue within one working day by providing backup machine services.

3Experienced engineers provide you with24Hourly service, includingTelephone, fax, e-mail, Internet and other methods.