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

Can only say that the handheld GPS measurement of highway mileage can be a reference, if you want to measure the accuracy or sub meter level or professional measuring tools better

Q:What qualifications should a normal GPS locator have?

Patent, business licenseLook what kind of

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 purchaseHandheld GPS navigator!Is mainly used for tourism, I said is not a mobile phone, is a more professional handheld GPS navigator for travel outside! Handheld GPS navigator can voice navigation?

The more high-end is good, clever and wheat zalun, many outdoor enthusiasts are used to this, hiking, cycling and other applications are relatively wide, is an American brand, Mazelen returned to the U.S. Army GPS, and as Ma Ying-Jeou ring when riding on the handlebar also puts a high out of this two 60CSX. the brand in the nature, the price is more expensive, in more than 2000, but the best is to the store to buy.

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

5 price of less than 3000 yuan.> 4, 5 a answer: there are PDAGPS mobile phone development, but should be more than 6000. One of the PDAGPS generally above 3000, generally have more than 3000 car navigation. If you have Bluetooth support PDA or PDA phone, plus a Bluetooth GPS is as long as 1000 or so. So the first three choices and then you have only the following three choices: first, the new machine but the older models, businesses dumped, and the other is to know the people, and the three is a vintage.More well-known brands in the market: Taiwan (MIO), the new branch, Taiwan HOLUX long days, GARMIN, HP, etc.PDAGPS mobile phone: MIO A700, E, TATO588, HP6515PDAGPS development: MIO168, 169, 269, P350, HOLUX PolarisVehicle navigation: MIO C210, new section four or five, GARMIN three or four

Q:Handheld GPS locator measuring accuracy is about how many meters?

The higher the accuracy, the higher the price. You can consult the Haida official website mobile MGIS mall

Q:How about the accuracy of the GPS handset?

Zhonghaida Q1:2 zhonghaida Q5:1 meters; meters; zhonghaida Q6: decimeter; zhonghaida Q8 cm;

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

Computer installed on the MapSource software, connect the data cable, upload waypoints and tracks can be!

Q:Jia Ming etre20 handheld GPS good

Jia Ming eTrex 20 has a microSD card slot and 1.7GB built-in memory space eTrex 20 allows you to store more user acquisition information, in addition to the map expansion slot, you can load the map of the global area of Garmin.

Q:Seeking the similarities and differences between RTK and GPS

GPS: is the satellite positioning system in general, narrow sense refers to the GPS satellite, and the narrow sense refers to all can receive GPS signal equipment; RTK refers to the dynamic real time difference measurement, it also refers to the difference can be used for real-time dynamic measurement equipment. The difference between the two measurements from speaking: GPS contains RTK, also includes some precision lower grade equipment, such as the Garmin handset, handset, GPS meter level navigation etc..