Q:How to hand GPS eTrex H data to the computer

You have a data cable, the computer installed on the MapSource software, connect the computer and handheld GPS can transfer data!!!"Shaanxi skmax navigation information Limited" GARMIN proxy (GARMIN official website can be found), contact (Xiao Hou) the hope can help to you, if you do not understand what we see on the Internet, may at any time, contact us

Q:What is the difference between professional navigation and professional GPS navigator

3 map software is accurate, you can identify the road on the viaduct, and you can tip up and down viaduct."This should be no problem currently on the market of the navigation software is mainly three: Skywalker, Kai Lide, cityonmap. Three navigation software has its own advantages and disadvantages. I personally feel that the person with Skywalker more, some car navigation systems (non open operating system) OEM software with Kay more than cityonmap map Skywalker is better but the interface is not good.4 mobile phone PDA load or other independent GPS devices can be.

Q:Ask how to select a google satellite map into a handheld Area GPS

If it refers to a professional portable handheld GPS, please ignore this answer.

Q:Is it accurate to measure highway mileage with GPS handheld

As long as you can receive more than four satellites, and the signal is good, the accuracy should be high.

Q:I am a handheld GPS precision is low, how to use to be able to improve certain accuracy.

If the carrier phase measurement function is not available, you have the maximum accuracy of GPS accuracy of 1-10This can only improve the observation environment using SBAS and other ways to improve the accuracy

Q:I am a handheld GPS precision is low, how to use to be able to improve certain accuracy

If you can join the CORS network, the accuracy of decimeter to centimeter level.

Q:Handheld GPS, the measurement of arable land, fixed point and circle test, which is more accurate,

So for you to measure the area, some of the 3cm point error surrounded by the graphics area and some millimeter level point error surrounded by the graphics area is not much difference.

Q:Professional handheld GPS GARMIN (DR) how to use

Look at the functional machine should use the instructions

Q:The navigation module it is "selph" three generation? Another one I mainly use it to measure the land area, easy to use, the error is not big?I want to buy Magellan 500 do not know whether it is good to use

Professional handheld GPS only Magellan and set SIBAO

Q:What qualifications should a normal GPS locator have?

Look at his company's business license is what's on the line, if the manufacturer has the most basic 3C proved, and some such as system certification or proof of what the explosion proof CEPREI