Altina GBT709 Bluetooth GPS receiver

Posted on by manish
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What is GPS?
The Global PositGBT709ioning System (GPS) is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. Department of Defense. GPS was originally intended for military applications, but in the 1980s, the government made the system available for civilian use. GPS works in any weather conditions, anywhere in the world, 24 hours a day. There are no subscription fees or setup charges to use GPS.I got a GBT709 bluetooth receiver from www.chipsilicon.com
Let see how it works :-)
How GPS works?
GPS satellites circle the earth twice a day in a very precise orbit and transmit signal information to earth. GPS receivers take this information and use triangulation to calculate the user’s exact location. Essentially, the GPS receiver compares the time a signal was transmitted by a satellite with the time it was received. The time difference tells the GPS receiver how far away the satellite is. Now, with distance measurements from a few more satellites, the receiver can determine the user’s position and display it on the unit’s electronic map.I bought GBT709 for 5750 Rs including taxes and shipping charges.Box contains- Bluetooth GPS Receiver GBT709
– AC Power Adapter
– USB Cable
– Rechargeable Battery
– Manual
How to use ?
Hold Power button of 3 sec to turn it ON. you see three leds.-Green is for power and it blinks when you put it for charging
-Blue is for Bluetooth indication
-Amber is for satellite signalsgps-gprsI have used this device with my Sony ericsson K750i mobile and a web tracker gmap-track.comSearch bluetooth devices on your mobile, you will find “BT_GPS”

Download google maps for mobile on phone from mgmaps.com

Launch this software and go to Menu->GPS->Setup

here “select device” -> “bluetooth”

this will find BT_GPS, select this.web-track

If you want to turn on web tracking feature then first register on gmap-track.com. After registration you get a Tracking ID. Now in web tracker setup in mgmaps give your gmap-track username and this Tracker ID.

Now to locate your self on Earth go to Menu->GPS->”Where am I?”

Mobile phone will query GPS over bluetooth for coordinates (latitude, longitude) and GPS will fetch this information from satellites and give it back to mobile phone.

mgmaps application then shows these coordinates on map using google earth (using GPRS)

It also sends these coordinates to gmap-track.com over GPRS for web tracker. you can also make your location public on gmap-track.com or let it be visible to yourself.

You can use this system for vehicle locating

Simply place bluetooth GPS and mobile phone in car and keep a eye on your car on gmap-track.com ;-)

manish

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