source:truck tracking webfleet solutions release time:2023-04-21 Hits: Popular:realtime gps tracker online
Test satellite
Test satellite is also called prototype satellite. The satellite weighs 774kg (including 310kg fuel) and has a design life of 5 years. In order to meet the needs of solution and the needs of the entire system test and improvement, the United States has launched 11 test satellites from the Vanden Fort Air Force Base in California from 1978-1985. The seventh satellite launch failed and did not enter the scheduled track. At the end of 1995, the last test satellite stopped working [5].
(2) Work satellite
The Block II satellite weighs about 1.5T and has a design life of 7.5 years. Each satellite costs $ 48 million. From February 1989 to October 1990, 9 BLOCK II satellites were launched from the Kenavila Space Base in Florida. Compared with the test satellite, the Block II satellite has made many improvements. The satellite can store the 14 -day navigation electrical text and has the ability to implement SA and AS. The Block II satellite (A: Advanced) weighs about 17T, the satellite design life is 7.5 years, and the satellite has the ability to communicate with each other. The ability of satellite storage and navigation electrical essays has increased to 180 days. SVN35 and SVN36 satellites are equipped with laser reflex prisms. They can analyze the errors of satellite clocks and satellite stars by laser ranging, and test the accuracy of GPS ranging. The size of the reflective prism is 24cm × 20cm
Read recommendations:
gps vehicle tracker.What is the price of a vehicle GPS locator
Last article:GPS pseudo -distance measurement introduction.gps tracker for trailer distributors
Next article:The role of GPS satellite.GPS Tracker for vehicles manufacture
Related Information
4G GPS Tracker for vehicles price
2023-04-23mini gps tracker company
2023-04-23Dog gps tracker
2023-04-11GPS Tracker supplier
2023-04-11simple gps tracking Processing
2023-04-23real-time gps tracking wholesale
2023-04-23mini gps tracker Factory
2023-04-23Vehicle tracking device
2023-03-16gps tracker device
2023-04-11Dog gps tracker manufacture
2023-04-23G200NY -Cow/Camel GPS Tracker
2022-06-21TK100N- Multi functional GPS Tracker
2023-10-06TK100 (GT06) Vehicle Tracker
2022-06-20TK103B
2022-06-20GF70L-Solar Magnetic Asset GPS Tracker
2023-10-07GPS drift
2022-12-05GPS Navigation Solver
2022-09-06gps tracker GT03C
2022-09-21What will happen if the card of the car GPS positioner is unplugged?realtime gps tracker online manu
2023-03-28The composition of GPS system
2022-08-08What basic functions should Beidou positioning equipment have.Gps speed limiter
2023-10-10Centimeter -level high -precision 4G full Netcom GPS positioner.fleet management software webfleet s
2023-03-08The obvious advantages of three generations of GPS products (actual effect)
2022-08-19GPS tracking purchase method.4G GPS Tracker for vehicles Manufacturing
2023-08-17Benefits of GPS locators for cattle/sheep grazing
2023-02-21GPS reference station subsystem.Magnetic gps tracker supplier
2023-07-03Twelve problems commonly used in car GPS positioner.gps tracker für auto webfleet solutions
2023-03-09Functions of GPS
2022-10-12Manufacturer introduces in detail the component of the car positioner.simple gps tracking wholesale
2023-06-08GPS alarm.4G GPS Tracker Manufacturing
2023-07-04