Map Scale Compass DC47

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Model: DC47

Name: Professional map compass, ruler compass

Product Origin: China

Supply Ability: 10,000 pcs/month

Minimum Order: 50 pcs

MOQ for OEM package: 500pcs

Product Size: 115*55*11 (mm)

Color: OEM


1, professional usage: orientation, distance measuring, measuring slope, azimuth and pitching Angle measurement, drawing, a magnifying glass

2, high quality compass with neck rope, portable and rugged
3, ACRYLIC material, about 2mm thick
4, Damping Dial: to keep the stability of the pointer, more suitable for outdoor

5, Accuracy: accurate and clear, there were 360 degrees azimuth Angle, outer ring is 64-00 system, Liquid filled in the compass for reliable readings.

Payment term: TT/ LC

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Q:How to upgrade handheld navigator
Recommend the use of mobile map navigation.Chasing the answerEasy upgrade.
Q:What do you need to test for GPS?
5.DGPS you know, differential GPS (DGPS) positioning accuracy is very high, some GPS equipment providers set up a DGPS transmitter in some areas, free of charge to its customers, if customers are buying GPS receivers with DGPS function. The DGPS transmitter is a fixed GPS receiver (in a 100km ~ 200km exploration scene in the radius setting) receive satellite signals, it knows exactly what is the exact time of transmitting satellite signal to the theory, and then compare it with the actual delivery time, then calculate the "difference", influence this is very close to the atmospheric refraction, it will send out the difference, usually with FM (FM) radio data transmission using subcarrier modulation signal in the baseband receiver, GPS and DGPS function can receive and use it more accurate positioning.
Q:What is the difference between professional GPS handsets and mobile navigation?
First of all, if used outdoors, then fell, and so on are likely to water, and this thing is also very expensive, so the opportunity to have a high professional anti shock waterproof performance. You can see the Challenger I tour the next 600, three well plates.
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: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..
Q:Who can recommend me a table under the professional GPS software
Taobao to enter the online shopping, mobile phone navigator on the line, I suggest you download the Careland navigation map, or tiger map
Q:Professional GPS handheld and mobile navigation difference
Design ideas and the use of different objectsThe handheld is designed for military, mapping, mining, agriculture, outdoor sports (hiking, hiking, orienteering, cycling, water sports, paragliding, etc.).Cell phone navigation is designed to drive a car in the city, built-in interest points are mostly concentrated in the city.
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 GPS and GPS?
In fact, the main function is to use navigation as long as the navigation function can be used
Q:Jia Ming etre20 handheld GPS good
The new generation of the eTrex series is the first generation of user level receivers that can track both GPS and GLONASS satellites. GLONASS global navigation satellite system developed by Russian Federation, fully put into use. When using the GLONASS satellite, the average time for the receiver to lock the target is about 20% faster than GPS. And, when using both GPS and GLONASS, the receiver has the ability to lock more than 24 satellites as compared to GPS alone.

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