GIS K300

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PJK-300

PJK-300 is the most cost-effective dual-frequency network RTK rover. PJK-300 solution includes the new GIS rugged GNSS receiver running Windows Mobile? 6.5 operating system, the comprehensive GIS field software and the new GIS (L1/L2 GNSS) antenna.

Advanced GNSS Solution
PJK-300 – dual-frequency, all-in-view network RTK rover - with the embedded GIS technology delivers a long-range RTK performance, fast-initialization time, and high-precision. For specific survey applications it can provide outstanding real-time centimeter-level accuracy even in handheld configuration.

Designed For Efficient Network RTK
Very lightweight, with compact and rugged design, as well as large memory and autonomy, PJK-300 has been designed for a confortable and productive field use. Its extended wireless communications (Bluetooth, Wi-Fi) and embedded GSM/GPRS modem make PJK-300 a powerful solution suitable for any network RTK applications.

Best Value For A High-End Survey Solution
PJK-300 is extremely cost-effective offering meeting the most demanding requirements for a high-end survey solution. It provides possibility to interwork with a wide range of survey instruments and accessories to run complete survey jobs, including site calibration, stake out, and survey projects where total stations are used.
PJK-300 - Specifications
Product specifications

· Constellation : GPS, GLONASS, SBAS

· Frequency : L1, L2

· Channels : 45

· Update Rate : 0.05 sec

· Data format : RTCM 3.1, ATOM, CMR(+), NMEA

· Raw data output : Yes

· Real-time Accuracy - RTK mode (HRMS) : 1 cm

· Real-time Accuracy - DGPS mode (HRMS) : < 30 cm

· Real-time Accuracy - SBAS mode (HRMS) : < 50 cm

· Post-Processed Accuracy (HRMS) : 0.5 cm + 1 ppm

· Time to first fix : 15 sec

· Initialization range : Up to 40 km

· Processor : 806 MHz

· Operating system : Windows Mobile 6.5

· Communications : GSM/GPRS, BT, WLAN

· Unit size (mm / inches) : 190x90x43mm / 7.5x3.5x1.7in

· Weight : 0.62 kg / 1.43 lb

· Display : 3.5

· Memory : 256 MB SDRAM / 2 GB NAND / SDHC

· Temp Min (°C) : -20°C / -4°F

· Temp MAx (°C) : 60°C / 140°F

· Waterproof : Yes

· Shock & vibration : ETS300 019 & MIL-STD-810

· Power (type - lifetime) : 6600 mAh Li-Ion / > 8 hrs

· Antenna Type : Internal / External

· Firmware options : Yes

· Software options : Yes

Q:Welcome to make comments on the existing GPS tour pal what shortcomings to answer the more detailed the better: Fifth elements: the terrain map is the main project of outdoor sports climbing, mountain climbing is very exhausting, we usually do a plan will be completed on schedule, a good plan should be to our destination in the manual run out before. And if you want to do this, it must be on the road difficult to have a correct anticipation. But this time, with the terrain map GPS can come in handy, the mountains and the altitude of the understanding, we need to know about these sections spend much time and energy. And the general GPS map, is unable to meet the needs. So we'd better buy a map with contour terrain data of professional grade GPS, make your own outdoor journey do in our hands.

Q:What is the difference between the phone's GPS and professional handheld GPS features and differences?: With more professional and more accurate positioning but are generally used dry batteries or rechargeable batteries not built-in rechargeable battery that is because handheld GPS users are mostly investigation or walk tourists convenient in use and emphasizes there is screen are generally of low power consumption for general color screen can only convey longitude and altitude mobile phone GPS is just a subsidiary function loading car navigation map

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 do you need to test for GPS?: As a high-tech product, GPS has a very complex technical parameters. However, as people's living standards improved rapidly, more and more ordinary people began to pay attention to the positioning and navigation tools originated from the military. Because the convenience it brings is unprecedented. In order to let everyone out of all the technical parameters of GPS receiver, no longer confused at the time of purchase, the author selected six of the most important technical indicators, one by one to explain to you. 1 parallel channels on the market most of the GPS receiver is a 8 channel, 12 channel, the 16 channel, which allows them to continuously track the information of each satellite. Some GPS devices only have 2 to 5 parallel channel receiving satellite signals, because the average of 8 satellites are visible, which means that the GPS receiver must visit each of the satellites in order to obtain information about each satellite. All of our products are in Shenzhen channel 16 channel, multi-channel parallel GPS receiver, including the advantages of rapid cold start and initialization of satellite information, but also in the forest area can have a better reception. General 12 channel receiver does not require an external antenna, unless you are in a bad environment conditions such as closed space, such as the cabin, the car. 2 the sensitivity of the GPS satellite signal to the ground has been very weak, as well as ground wireless communication clutter interference. The lowest traceable signal strength of the GPS receiver determines how much useful signal is received. A GPS receiver with a lower minimum tracking signal strength has a higher sensitivity, and can receive more available satellites under bad conditions

Q:GPS Mu meter which brand is good, handheld high-precision land area measuring instrument: A German born mu can also recommend a good precision measuring instrument.

Q:What qualifications should a normal GPS locator have?: You ask is handheld GPS, it is the manufacturer's qualification requirements or what. For example, business license, tax registration certificate, organization code certificate, vendor authorization, software copyright, precision test report, 3C certificate, ISO9001, industrial grade IP certificate and other relevant qualification certificates and documents

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: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,: SOSO map is good, I use this.Kelid navigation is also good.

Q:Seeking the similarities and differences between RTK and GPS: GPS is a satellite system of the United States, is a kind of GNSS, GPS is widely used in surveying and mapping, the use of static and dynamic, RTD, dynamic RTK, RTK is a real-time dynamic difference, the accuracy of centimeter level, that is to say RTK is a GPS application method

Q:Can a handheld navigator connect a cell phone? Thank you: Open the phone hotspot WiFi, handheld navigator connected to this wifi.

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