Army Direction Compass DC45-2B

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Specifications

Model: DC45-2B

Name: outdoor hiking or military compass and army compass, metal compass and marching compass in aluminium material

Product Origin: China

Supply Ability: 40,000 pcs/month

Minimum Order: 100 pcs

MOQ for OEM package: 500pcs

Detailed Product Description

Product Size: 80*58*32 (mm)

Color: Black

Material: Aluminium Alloy

Features:

1)Can easily folds to fit in your pocket

2) The compass is highly accurate and features a liquid-damped compass card with a luminous dial that can easily

be read at night, and a standard bezel with two yellow lines at 45 degree angles

3) The compass card has both the standard 0 - 360 degree scale, as well as the 0 - 64Mil scale (one yard at 1,000 yards)

4) The bezel rotates with detents every 3 degrees so you can change the heading reference a known amount without looking at the compass

5) The front sight has a magnifier to simultaneously view the magnetic heading when taking a sight

6) A second magnifier assists in reading the magnetic heading when direct viewing from above

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Q:What kind of GPS positioner needs to be installed for motorcycle
Goods than threeLike GPS terminal (about 400 yuan) + Zhang traffic card (through the flow package of $5) + software (see free) for each fee with the same 500 - 600In fact,
Q:Can not be installed on the dog like a car on the location of the GPS Dongdong?
It is October 2015, we believe that if the implanted chip on the HA ha. At least not good! Very bad, not practical.Prevent the dog lost the locator, cash is rainfe Huizhi love guard pet locator, model RF-V30, GPS+WiFi+LBS+ inertial positioning capability, can achieve precise positioning of indoor and outdoor, and other powerful features to understand.If the main question mentioned is how to hide it? Approach is to locate and retrieve the location quickly and accurately by RF-V30 positioning and remote pickup. Positioning error in the range of 5-15 meters, walk around to call the dog name will respond.Tolerable。 Hefei Qilian GPS pet anti lost is a function with the GPS portable locator installed in dogs, even if the dog was hidden, as long as to send a message to the locator, locator will return the dog's address, so you can easily find the lost dog.
Q:GPS positioning system accuracy?
We use the accuracy of less than 15 meters, the Americans themselves can be very highThe use of GPS positioning, will be affected by a variety of factors. The factors affecting the accuracy of GPS positioning with GPS satellite can be divided into the following four categories:(1) SA from the U.S. government interests, by reducing the precision of broadcast ephemeris (Technology), adding high frequency jitter in GPS reference signal (Technology) and other methods, reduce the ordinary users using GPS navigation and positioning accuracy.(2) the satellite ephemeris error in GPS positioning, calculation of satellite orbit parameters at a time the GPS satellite position required is provided by various types of [7] ephemeris, but irrespective of the type of ephemeris, the calculated satellite location will be its true position difference, this is the so-called ephemeris error.(3) the satellite clock error of satellite clock error is the error between the installation on the GPS satellite atomic clock clock with GPS standard time.(4) satellite signal transmitting antenna phase center deviation satellite signal transmitting antenna phase center deviation is the difference between the nominal phase center and the true phase center of the signal transmitting antenna on the GPS satellite.
Q:GPS locator tracker is always in the offline state is how to send text messages are appropriate.
Two, the phone can get through but platform show offline (with rice GPS locator for example)?A: 1, first try to query the state, STATUS# query GPRS state if disconnected link down, enter the, if the GPRS state is connected to the platform link up, enter the view.2, the instruction PARAM# to see whether the corresponding IMEI number, if the display 38160000000000168 IMEI number has been lost need to return to the factory.
Q:What are the advantages of children's GPS smart positioning watch?
I think the child positioning watch, for example, it is based on the GPS+ base station +WIFI three re positioning, as well as the electronic fence, a key SOS first aid, anti off alarm, two-way calls, WeChat, health Butler and other functions.
Q:Children's GPS positioning mobile phone watch need to install a phone card
Look at what you want to buy, and some need a phone card, and some have been burned directly without the card
Q:Mobile phone can be tracked after the closure of the GPS?
When you open the phone GPS service, and through the wireless network to locate the GPS positioning information, the phone can be traced. If the phone closes the GPS service, can it be traced? The answer is yes, but some conditions are needed.GPS mobile phone is only one of the positioning function of the technology, but also through the communication base station, Wi-Fi hotspots and other mobile positioning. At present, the positioning technology used in all kinds of mobile phone positioning software is GPS positioning technology and base station positioning.
Q:How do the GPS locator offline SLM space
Empty SIM card should not to stop for a long time, number receiving recommended replacement card shift Xingnuo tech consulting
Q:GPS if you can not use the military code to crack the military GPS high-precision positioning?
3, even if the crack, it is difficult to use in wartime. Because it is the United States led things, the initiative in the hands of others, you use it, it must be restricted by the war. So even if the crack, can only be kept secret, until the wartime to interfere with it.And usually if you use it, it is very easy to find us, the U.S. will adopt the new encryption method (change scrambling etc.), you have to break the results cast to waste.
Q:Method of use of GPS
There are a lot of applications in life, like our usual car navigation, traffic recorder...... Are built-in GPS module for positioning navigation. GPS is positioning and navigation, as long as you need to locate the device and navigation functions can be built or external GPS module. Shenzhen Tiangong GPS module

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