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Hot Products

Map Scale or Ruler Compass DC35F

Map Scale Compass or Ruler Compass DC40

Map Scale Compass DC40-A

Professional Map Scale Compass for Surveying

Map Scale Compass DC45-5W with Ruler

GIS K100

Mapping Scale Compass with Ruler for Surveying

Map Scale Compass DC45-5D with Ruler

Professional Mapping Compass with Rulers

Map Scale Compass DC45-5A

FAQ

Is it accurate to measure highway mileage with GPS handheld

Measuring mileage, since the unit has been upgraded to the inside, it is quite accurate oh

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

A type specific.GPS chip area measurement is the most "selph" 3 generation, special machine is very good, the error is very small.

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!

Want to buy handheld GPS in Hongkong, I would like to ask what brand is better, the specific model? Where to buy? How much is the price? In the mainland can be used? More questions, thank you!

I doubt this question will be answered by the people of Hongkong?Handheld GPS do best is GARMIN, Taiwan and the mainland are agents. It's all the same.

My cell phone: HTC Hero 200Question type: Internet softwareMy work needs to locate, record, output, and input GPS coordinates. Track record measurement, coordinate transformation. So would you have a professional security software under the table, so go out with a mobile phone or a PAD, or N equipment back to survey the tired,

Taobao to enter the online shopping, mobile phone navigator on the line, I suggest you download the Careland navigation map, or tiger map

Verify the accuracy of the GPS device to buy back, the way is to use Android under the'gps state 'software, to test the accuracy of real-time single point positioning.1 with two sets of the same Android Tablet Computer (custom machine, type of bad) in the same position for receiving, find that the accuracy is the same (software, are 1-2 meters), but the position would be poor 10 meters or more. It's in the same place.The 2 one is the Android tablet computer, a mobile phone is HTC G10, also received together in the same position, find that the accuracy is not the same as (the latter 20 meters or so), but also may be about 10 meters position difference.The accuracy of this GPS device can reach 1-2 meters, while the same location in real-time single point positioning error of 10 meters, a reasonable explanation.

Oh the single point positioning accuracy is about 10 meters, but also have a great relationship with the environment around you, if in the city, the accuracy of twenty meters are possible, if the open place, outside. Ten meters should not be a problem. Whether you use a professional measurement RTK or ordinary navigation handheld machine, single point positioning accuracy can reach 1-2 meters of the machine I is not met, if you see where I wish to share with me, thank you. Can only say that the use of professional measurement RTK will certainly be higher than the navigation accuracy of GPS single point oh

Handheld GPS brand rankings

SIBAOIn the GNSS coordinate precision and attributes, "SIBAO" has a professional GPS handset, GIS i-PPP GIS, a mobile data collector, GIS, high precision GIS, high precision measurement of RTK complete product structure, to form a comprehensive solution to the spatial information industry scheme.

Magellan GPS handheld why so many people choose not to say that the map is not good

Each brand has its own unique, if you only care about a map, then you think of the handheld too one-sided