Handheld Gps Tracking Device
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FAQ
- Is the car fitted with a burglar alarm or a GPS locator?
- What's the use of security? GPS positioning, then the money will install an Jetion, annual payment
- Millet 2 how to turn on or off the tracking positioning system.
- Please enter the settings - all settings - location services, open the GPS positioning service to locate the phone.
- GPS locator sn7150509272 what brand
- thisSn7150509272Just an identification number,,,, can't see the brand
- Does iPad have GPS positioning navigation capabilities?Is there any WiFi version?
- There is no WIFI outdoors, but there are a variety of signals, you can not get on the network, but the iPad itself can still be positioned, but inaccurate positioning3G version of the phone if you do not insert the card, you can locate.Positioning has 2 steps, one is to find the location, and the other is to show that the 3G version does not need to find the location of the flow, but you want to load the map will flow, unless you use some offline map.
- What is a GPS positioning system?
- GPS system compositionGPS system has three major components, namely, the space constellation, ground monitoring and user equipment. Space constellation in GPS 24 satellites distributed evenly in 6 orbital planes, orbital plane angle relative to the equatorial plane is 55 degrees, the angle between the plane of the orbit is 60 degrees, each satellite orbital plane 90 degrees, either on the satellite orbit plane than in the west adjacent corresponding satellite orbital plane the lead on 30 degrees. The average altitude of the satellite orbit is 20200km, and the satellite running period is 11 hours and 58 minutes. Each satellite every day about 5 hours above the horizon, and at the same time the number of satellites above the horizon varies with time and location are different, can be 4~11; the ground monitoring part of GPS at present mainly by the distribution in 5 ground stations around the world, including the injection station inspection station, master station and information. The space part and ground monitoring part of the GPS is the basis of the navigation and positioning of the system which is widely used by the user, which is controlled by the United States. The user equipment of the GPS is mainly composed of the receiver hardware and processing software. The user receives the GPS satellite signal through the user equipment, obtains the user position, the speed and so on through the signal processing, finally realizes uses GPS to carry on the navigation and the localization goal.
- At present, the global positioning system (GPS), vehicle positioning accuracy can be increased to less than 3 meters, if so, what is the theoretical basis? If not, what is the reason?
- We use the accuracy of less than 15 meters, the Americans themselves can be very highThe use of GPS positioning, will be affected by a variety of factors. The factors affecting the accuracy of GPS positioning with GPS satellite can be divided into the following four categories:(1) SA from the U.S. government interests, by reducing the precision of broadcast ephemeris (Technology), adding high frequency jitter in GPS reference signal (Technology) and other methods, reduce the ordinary users using GPS navigation and positioning accuracy.(2) the satellite ephemeris error in GPS positioning, calculation of satellite orbit parameters at a time the GPS satellite position required is provided by various types of [7] ephemeris, but irrespective of the type of ephemeris, the calculated satellite location will be its true position difference, this is the so-called ephemeris error.(3) the satellite clock error of satellite clock error is the error between the installation on the GPS satellite atomic clock clock with GPS standard time.(4) satellite signal transmitting antenna phase center deviation satellite signal transmitting antenna phase center deviation is the difference between the nominal phase center and the true phase center of the signal transmitting antenna on the GPS satellite.
- GPS locator platform to show off how is going on
- GPS locator platform display offline two cases:First, the GPS locator dropped (wiring) can not electrify.
- Does UUGPS have an anti - rejection tracking locator?
- In other words, the city of Shenzhen science and Technology Industrial Co., Ltd. production are good
