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Best Handheld GPS For Surveying: A Comprehensive Look

Last Updated Sep 22, 2023

Whether you’re a professional surveyor or a land owner, there’s no way around it: You need the best handheld GPS for surveying. Fortunately, with today’s ever-evolving technologies, finding a unit that fits your needs and requirements has always been challenging.

In this comprehensive guide, we’ll review some of the leading options on the handheld GPS/GNSS market to determine which is best suited to help take your surveying process to another level.

As experts in the field of GPS, we’ll cover the pros and cons, features such as accuracy, portability, display, battery life, and software compatibility.

Keep reading as we dive into different features and our reviews of each unit so you can make an informed decision!

In a rush? Here’s a quick preview of our top picks for the best GPS device for surveying:

Best GPS Devices For Surveying Preview

Product NameReviewPriceRating
SMAJAYU GNSS Surveying System
best handheld gps for surveying
Jump to Review$2701

Buy Now
5 stars (10 ratings)
Te-Rich Handheld GPS GNSS Receiver
gps for surveying
Jump to Review$92.98

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3.8 stars (138 ratings)
GPS Land Surveying Meter
gps land survey meter
Jump to Review$165.00

Buy Now
2.7 stars (3 ratings)
EM90 Handheld GPS
handheld gps meter
Jump to Review$85.83

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3.5 stars (11 ratings)
BEVA Mini Handheld GPS for Surveying
mini handheld gps
Jump to Review$92.98

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3.8 stars (170 ratings)
Trimble R12
best handheld gps for surveying
Jump to Review$20,950

Buy Now
5 stars

How Does a Handheld GPS Device for Surveying Work?

Handheld GPS devices have revolutionized the world of surveying. These devices connect to satellites orbiting the Earth, allowing them to locate the device and any points it records accurately. The GPS receiver in the device uses the signals from these satellites to calculate the distance between the device and each satellite. With this information, the receiver can triangulate the device’s location and give the user precise coordinates.

Additionally, handheld GPS devices for surveying typically come with software that allows users to record and store location data, such as points or lines, and map out the topography and other features of the surrounding area. With the help of handheld GPS devices, surveyors can quickly and easily map out land and accurately gather data on the features of the land.

Important Terms for Handheld GPS/GNSS Units for Surveying

When it comes to handheld GPS units, you should know a few important terms and features before choosing a suitable device for your surveying needs.

Global Positioning System (GPS)

GPS is a technological marvel that has revolutionized how we measure and map our world.

GPS provides accurate, three-dimensional coordinates of any location on the planet by using a broad network of satellites orbiting the Earth and a receiver on the ground. This makes surveying faster, more accurate, and more efficient than traditional methods. It is beneficial for surveying large areas, inaccessible or hazardous terrains, and monitoring natural disasters.

Surveyors can collect real-time data and create 3D models of construction sites, mapping projects, and infrastructure with GPS.

You can find more about how GPS works here.

Global Navigation Satellite Systems (GNSS)

In terms of surveying, GNSS is an essential satellite network that is widely used in the field. defines GNSS as any satellite constellation that provides positioning, navigation, and timing (PNT) services globally or locally.

This system accurately determines the height, position, velocity, and time for various applications, including surveying. With the ability to track multiple satellite signals simultaneously, GNSS allows for exact and efficient surveying measurements.

GNSS has become an integral part of modern surveying techniques and has played a vital role in shaping the field.

Accuracy is Everything

In the world of surveying, accuracy is everything. The 2 things that matter are Horizontal and Vertical position.

It does you no good just to know where your horizontal location is, like when using your phone to navigate to an address. You must also know the height a point is at. This is why professional survey equipment uses poles to mount the receiver on.

For example, if I am sent to survey an area that is flooding all the time, after surveying and plugging the data into CAD software, we can see where the low spots are and calculate the amount of dirt needed to level the area.

So, getting to a survey grade accuracy of sub-centimeter takes expensive GNSS receiver equipment. If you just want a rough survey and don’t need that accuracy, inexpensive handhelds will do fine.

Geographic Information Systems (GIS)

GIS is a technology that has evolved the way data is recorded and mapped in the field of surveying. While GPS is commonly used to locate and track the position of objects and people, GIS takes it one step further by capturing and visualizing spatial information on maps.

This powerful software integrates data from various sources to provide a layered view of a location, making it easier for professionals to analyze, understand, and make informed decisions.

With GIS pulling GPS data, surveyors can create maps for diverse applications, including utility mapping, route planning, environmental analysis, and more.

Real-Time Kinematics (RTK-GPS)

RTK is an advanced GPS technique surveyors use to obtain extremely accurate real-time positioning data. It allows for faster and more precise measurements with up to one-hundred times greater accuracy than standard GPS surveys. This is achieved using a base station to send correction data to the rover, which receives the information and updates the position almost instantly.

Most professional GNSS survey equipment will come with the ability to be either a Base or Rover, so if you buy 2 of them, you set what you want each one to be.

RTK is a groundbreaking technology that has revolutionized the surveying field, enabling surveyors to achieve a level of accuracy that was previously impossible.

Real-Time Differential (RTD-GPS)

RTD is a highly precise method of surveying that relies on a radio transmitter at the base station to transmit pseudo-range and range rate corrections to the roving receivers in near-real time. This technique is essential for surveying applications that require high accuracy and precision, such as construction or land development.

Using RTD-GPS, surveyors can ensure that their measurements are accurate within a few centimeters, even in challenging environments like densely populated urban areas or rugged terrain.

How to Use a GPS for Surveying

To begin, you’ll need a few important pieces of equipment;

  • Handheld GPS Device; This tool is crucial for collecting data. Look for a reliable device with a long battery life. Popular brands like Trimble are recommended.
  • GPS Receiver/Rover Combo; This equipment combo receives signals from the GPS satellites. Sends them to your handheld device resulting in highly accurate positioning. It is usually mounted on a pole for portability and good signal acquisition.
  • Mapping Software; You’ll require this software to analyze and interpret the data collected by your GPS device. Examples include ArcGIS, QGIS, and Google Earth.

Now let’s go through the six steps involved in utilizing the GPS for surveying;

Step 1: Planning

Before diving into data collection, proper planning is crucial. Determine the area you’ll be surveying and identify any potential obstacles, such as buildings or dense vegetation.

Step 2: Setting Up Equipment

Once your survey plan is ready it’s time to set up your equipment. Start by turning on both your GPS device and receiver while ensuring they establish communication. Additionally, calibrate your device to guarantee data collection.

Step 3: Gathering Information

To begin make sure your device is ready and then start gathering information. Take a walk around the survey area. Make occasional stops to note down points of interest. These could be things like property boundaries, landmarks or any other relevant features you come across.

Step 4: Transferring Information to Mapping Software

Once you have collected all the data it’s time to transfer it to your mapping software. Generally, this involves connecting your GPS device to a computer and uploading the data.

Step 5: Analyzing the Data

Once your data is in the mapping software, you can start analyzing it. This might include creating maps identifying any patterns that emerge from the data or calculating areas of interest.

Step 6: Applying Your Survey Data

Finally, you can put your survey data to use for various purposes. This could involve planning construction projects, designing landscapes or gardens, determining property boundaries managing farmland effectively. The possibilities are endless!

Remember that successful surveying requires planning, accurate data collection techniques, and thoughtful analysis. By following these steps, you’ll soon become adept at how to use a handheld GPS for surveying.

Features to Look For in GPS Units for Surveying

When surveying, having a reliable and accurate handheld GPS unit is essential. But with a wide range of GPS units available, it can be confusing with what to look for. When selecting a device, there are several essential features to keep in mind:

  • Accuracy: Accuracy is crucial when choosing a handheld GPS unit, especially for surveying purposes. Look for devices with high precision and accuracy down to the centimeter range.
  • Display: An excellent handheld GPS unit will have a clear and easy-to-read screen, so you can easily see readings in any environment.
  • Battery Life: Long battery life is essential for surveying, as the device will likely need to be used for extended periods without access to an external power source. When searching for a device, choose a durable battery that can provide sufficient power for your needs.
  • Connectivity: Most handheld GPS units now have wireless connectivity, allowing users to access their handheld devices remotely or stream data in real-time. This is especially useful for surveying larger areas or tracking mobile objects.
  • Software: The software that comes with a handheld GPS unit can be just as essential as the hardware. Look for units with specialized surveying software that allows you to efficiently record and store data, create maps, and more. Also, ensure the software is compatible with the other applications you will be using. Make sure you are not purchasing a handheld GPS for hiking.
  • Weatherproofing: Surveying can take you to unexpected places and weather conditions. Look for a weatherproof and dustproof device to ensure it will survive the harshest conditions.
  • Durability: Durability is essential when selecting a handheld GPS device for surveying. It’s important to find durable handheld devices built to endure regular use in all conditions.

When you understand what exactly to look for when choosing a GPS unit for surveying, you can be sure to find the ideal device for your needs.

See our detailed reviews of the best handheld GPS devices for surveying below:

6 Best Handheld GPS Devices for Surveying

SMAJAYU GNSS Surveying System LP80 Handheld RTK-GPS

Best Handheld GPS For Surveying - SMAJAYU GNSS Surveying System LP80 Handheld RTK-GPS

Included: Rover & Base
Battery Life: 14 hours
Accuracy: 1 centimeter
Weight: 9.39 lbs.
Model #: R26

Details & First Impressions:

The SMAJAYU GNSS Surveying System LP80 Handheld RTK-GPS is a powerful surveying combo that combines the latest GPS technology with a handheld and base station design. This device offers centimeter-level positioning accuracy, allowing surveyors to obtain exact measurements in real time.

It also features Bluetooth, radio, storage, positioning, inertial navigation, antenna, and other modules for maximum efficiency. With its long battery life and lightweight construction of 9.39 lbs., this handheld GPS device is perfect for surveying large areas.

The SMAJAYU GNSS Surveying System supports many common file formats for exporting your data. The device looks sleek and modern with its all-black exterior and ergonomic shape, making it comfortable to hold during extended use.

We appreciated that the device supported multiple satellite systems such as BDS, GPS, GLONASS, and Galileo, ensuring accurate readings in challenging environments such as densely populated urban areas or rugged terrain. Moreover, the 10000mAh battery was impressive as it offered up to 14 hours of continuous use, making it ideal for surveying larger areas without access to external power.


  • Centimeter-level positioning accuracy
  • Supports multiple satellite constellations
  • 10000mAh battery provides up to 14 hours of life
  • Ergonomic shape and lightweight construction
  • Sleek, modern all-black exterior design


  • No tripod included

Performance and Overall Experience:

We had a great experience with the SMAJAYU GNSS Surveying System and LP80 Handheld RTK-GPS. It performed exceptionally well in challenging environments with centimeter-level accuracy. The device also impressed us with its wide range of features, including Bluetooth, radio, storage, positioning, inertial navigation, antenna, and other modules.

We also liked the battery life of 14 hours and lightweight construction that makes it ideal for surveying larger areas without access to external power. Finally, we appreciated its sleek and modern all-black exterior design. The SMAJAYU GNSS Surveying System is an excellent device for surveyors looking for a reliable and accurate handheld GPS.

Tested Features:

  • Accuracy
  • Battery life
  • Rover and base station setup
  • Satellite connectivity
  • Wireless control

Te-Rich Handheld GPS GNSS Receiver

Te-Rich Handheld GPS GNSS Receiver

Battery Life: 32 hours
Accuracy: Within 5 feet
Weight: 6.3 ounces
Model #: 6543857349


Details & First Impressions:

The Te-Rich Handheld GPS GNSS Receiver is a powerful surveying tool combining the latest GPS and GLONASS navigation satellite systems with an easy-to-use design. The device offers 5 feet of accuracy, 32 hours of battery life, and weighs only 6.3 ounces for maximum efficiency. With this GPS device, surveyors can obtain highly precise measurements in real-time from any environment.

We were immediately impressed by the Te-Rich Handheld GPS Receiver. The device looks sleek and modern with its black and teal exterior and is ergonomically designed for comfortable use during extended periods. It also features a 2.4 inch 128 x 160 LCD screen that makes readings clear and easy to read in any environment.

The rechargeable battery provided 32 hours of continuous use with a single charge, making it ideal for surveying large areas without access to external power. Additionally, the device supports GPS and GLONASS navigation satellite systems for accurate readings on any piece of land.


  • 32 hours of battery life
  • Ergonomic design
  • 2.4 inch LCD screen
  • Compact and lightweight


  • No wireless control features
  • 5 feet of accuracy

Performance and Overall Experience:

Our team liked the Te-Rich Handheld GPS GNSS Receiver. The device performed exceptionally well in challenging environments, even with the 5 feet of accuracy. We were also impressed by its 32 hours of battery life. After a full charge, we didn’t have to worry about charging it again for a while.

The 2.4″ LCD screen was easy to read in most conditions while still compact enough to carry around on any survey mission. Furthermore, we liked that it supported GPS and GLONASS navigation satellites.

Tested Features:

  • Accuracy
  • Battery life
  • Satellite connectivity
  • Ease of use
  • Readability


GPS Land Surveying Meter – Handheld GNSS Receiver

GPS Land Surveying Meter - Professional Grade Handheld GNSS Receiver

Battery Life: 6 hours
Accuracy: Within Feet
Weight: 120g (No battery)
Model #: B0BJ6DWGDF


Details & First Impressions:

We recently got our hands on the GPS Land Surveying Meter professional grade handheld GNSS receiver. This device is designed to be lightweight and portable, weighing just 120g without its battery. It only has about 6 hours of battery life but the accuracy was within feet!

After unboxing this device, we were pleasantly surprised by the ease of setup and use. The 2.4″ color screen made surveying land areas incredibly intuitive – even for those who are not tech-savvy!

We were also impressed with this device’s wide range of features: GPS, GNSS, SBAS & BeiDou satellite signals can all be received quickly and accurately. Unfortunately, though, Mac users will not be able to enjoy these benefits as the meter does not work with Macs.


  • Lightweight and Portable – just 120g without the battery!
  • Easy to set up and use
  • 2.4″ color screen for intuitive surveying
  • Features a wide range of satellite signals (GPS, GNSS, SBAS & BeiDou)


  • It does not work with Mac computers or devices
  • Limited range of features compared to other professional grade models
  • Only 6-hour battery life

Performance and Overall Experience:

The performance of the GPS Land Surveying Meter was impressive. We could quickly and accurately receive all satellite signals, such as GPS, GNSS, SBAS & BeiDou. The 2.4″ color screen worked well for intuitive surveying and made it easy to use. It also ran smoothly and didn’t lag or struggle to keep up with our quick navigation.

Overall, we had a great experience testing this professional-grade handheld GNSS receiver. While it has limited features compared to other high-end models on the market, it is an excellent option for those who want a low-cost, reliable device for surveying land areas. It is also one of the best budget handheld GPS out there.

Tested Features:


    • Land area measurements

    • Range of satellite signals (GPS, GNSS, SBAS & BeiDou)

    • Performance

    • Accuracy

    • Battery life


EM90 Handheld GPS Land Area Measurer

EM90 Handheld GPS Land Area Measurer

Battery Life: 12+ hours
Accuracy: ≤1.5m
Weight: ‎13.1 ounces
Model #: EM90


Details & First Impressions:

The EM90 Handheld GPS Land Area Measurer is an excellent tool for professionals in the surveying industry. It has a 2.4-inch LCD screen, is waterproof, and is equipped with a U-BLOX chip, enabling it to provide precise measurements with minimal error.

I was grateful for its ergonomic design, which made it comfortable to use all day. This GPS also offers real-time tracking, automatic area measurement, automatic slope measurement, and automatic elevation measurement capabilities to assist you in your work accurately and quickly. With its impressive battery life reaching up to 12 hours or more on one full charge, this device will ensure you can do your job without interruptions due to low power levels!

Our first impressions using this device have been extremely positive; we were delighted by how easy it was to set up and calibrate and its impressive accuracy, allowing us accurate results every time.


  • Waterproof and durable design
  • U-BLOX chip for precise measurements
  • Ergonomic design
  • LED backlight
  • Real-time tracking capabilities
  • Automatic area, slope, and elevation measurements


  • It can be challenging to set up and calibrate for new users
  • Not suitable for anything other than land measurement

Performance and Overall Experience:

The EM90 Handheld GPS Land Area Measurer performed incredibly well during our test. The setup and calibration process was relatively simple once I familiarized myself with the device and its controls. The accuracy of the measurements was excellent and exceeded expectations; the U-BLOX chip provides increased precision with minimal errors, making it reliable for professional surveying work. The ergonomic design is also comfortable for extended periods and provides a secure grip to reduce fatigue.

The EM90’s LED backlight also proved helpful in low light conditions, ensuring accurate readings regardless of the time of day. Furthermore, its real-time tracking capabilities make monitoring progress throughout your projects easily without manually recording each measurement individually. The automatic area, slope, and elevation measurements were also incredibly helpful in streamlining our workloads significantly – allowing us to complete tasks quickly without compromising the accuracy or quality of results!

Overall, our experience using this product has been nothing short of positive. From its ease of use to its impressive accuracy and high level of precision, the EM90 Handheld GPS Land Area Measurer is an ideal tool for professionals in the surveying industry looking for an efficient and reliable way to measure land areas. Highly recommended!

Tested Features:


    • Land area measurements

    • Range of satellite signals (GPS, GNSS, SBAS & BeiDou)

    • Performance

    • Accuracy

    • Battery life


BEVA Mini Handheld GPS for Surveying

BEVA Mini Handheld GPS for Surveying

Battery Life: 12 Hours
Accuracy: ≤1.5m
Weight: 0.39lb
Model #: CM84

Details & First Impressions:

I was impressed with the BEVA Mini GPS Unit for Surveying. This unit has features that make it perfect for measuring farmland and other areas. It has GPS and GLONASS satellite system support and a super strong signal that provides instant and precise positioning. The accuracy of this device is highly impressive, offering area measurement errors of no more than 1-2%.

The BEVA mini handheld GPS accurately measures the area and length of any shape, including mountains, slopes, and flatlands. Its exceptional performance is coupled with a waterproof and dustproof design, making it the perfect device for outdoor use.


  • GPS and GLONASS satellite support
  • Super strong signal for precise positioning
  • Area measurement error of 1-2%
  • Accurately measures any shape, area, or length
  • Waterproof and dustproof design


  • Older tech

Performance and Overall Experience:

I was pleased with the overall performance of the BEVA Mini Handheld GPS for Surveying. The accuracy of this device was unparalleled compared to other GPS devices I have used, with a satellite accuracy of less than 1.5 meters. It accurately measured the length and area of any shape, from straight lines to curves or mountainous terrain. I particularly liked its waterproof and dustproof construction, which allowed me to use it outdoors in all kinds of weather conditions without worry.

The battery life was also sufficient, lasting up to 12 hours and providing plenty of time for land surveying tasks. The small size and light weight also made it easy to carry around. Overall, I recommend this device for anyone needing accurate land or construction site measurements.

Tested Features:


    • GPS and GLONASS satellite support

    • Signal Strength

    • Area Measurement

    • Accuracy

    • Waterproof and dustproof design

    • Digital compass

    • Battery life


Trimble R12 – Professional Survey Grade GPS/GNSS Receiver

trimble r12

GPS Type: GNSS RTK Receiver
Battery Life: 14 hours
Accuracy: 8mm H/ 15mm V
Weight: 2.47 lbs.
Model #: R12

Details & First Impressions:

From the onset, the Trimble R12 impresses with its robust and solid construction. Its design is not just lightweight and ergonomic but also practical for field use. The device comes equipped with ProPoint GNSS technology, a feature that assures enhanced performance even in the most challenging GNSS conditions.

Additionally, it incorporates Trimble SurePoint technology for guaranteed precise positioning, Trimble CenterPoint RTX correction service for augmented accuracy, and Trimble Access software for efficient data collection. There are no subscriptions for the R12 or TSC5.

You will need a good data collector for this receiver and the Trimble TSC5 is a popular match.

A key highlight of the Trimble R12 is its high-performance experience. It’s evident that significant effort has been made to ensure the technology is user-friendly, catering even to those who may not be tech-savvy. Besides, the device offers superior connectivity options, keeping you connected irrespective of your location. This is especially beneficial when operating in remote areas.


  • Excellent GNSS Performance
  • Correction Service
  • Efficient Data Collection
  • Rugged and Durable


  • High Price

Performance and Overall Experience:

The Trimble R12 exhibits remarkable performance. Its advanced features collaborate seamlessly to deliver accurate and reliable data. The device’s tough and resilient design makes it ideal for use across various conditions, establishing it as a dependable field companion. However, this stellar performance is accompanied by a high price, which could be a potential barrier for some.

As for the overall user experience, the Trimble R12 is quite gratifying. It’s apparent that the device has been crafted keeping the end-user in mind, with features like an intuitive interface and superior connectivity options. The device also boasts a long battery life, allowing you to use it for prolonged periods without the worry of recharging. This proves exceptionally useful when working on extensive projects in remote areas.

Tested Features:


    • ProPoint GNSS technology

    • Trimble SurePoint technology

    • Trimble CenterPoint RTX correction service

    • Trimble Access software

    • Device durability and ruggedness


How To Choose the Best Handheld GPS for Your Surveying Needs

Various professionals can utilize handheld GPS devices for surveying purposes. Here are some professions that commonly use handheld GPS devices and the features they should prioritize:

Land Surveyors – Land surveyors rely heavily on handheld GPS devices to accurately measure and map land boundaries. They should prioritize high-precision and accuracy devices capable of providing real-time positioning data.

Additional features like differential correction, which enhances accuracy, and support for survey-grade antennas would be beneficial. Easy-to-use data collection and mapping functionalities should also be prioritized, including the ability to record and store survey points.

Environmental Scientists –  As part of their research, environmental scientists find it necessary to use GPS devices for mapping and analyzing different ecological features such as vegetation, water bodies, and wildlife habitats. To work efficiently in the field, they must choose a device with good battery life as they may be miles from civilization. Solar charging capabilities can be a plus as well.

Compatibility with GIS software is essential for seamless integration and practical data analysis. Having the ability to capture detailed location attributes like altitude and slope can be valuable for precise environmental mapping.

Archaeologists – During fieldwork, archaeologists need handheld GPS devices to accurately record the locations of archaeological sites, artifacts, and features. Choosing a device with solid satellite reception is essential, even in challenging environments such as dense forests or rugged terrain.

It’s helpful to have a device that can store and manage many waypoints with customizable data fields to organize archaeological data effectively. Other valuable features include compasses and inclinometers, which can assist in accurately aligning and documenting excavations.

Forestry Professionals – When selecting a GPS unit for forestry surveying, it is crucial to prioritize devices with strong signal reception, as they may need to work in dense tree canopies or rugged terrain.

Mapping and navigation features such as pre-loaded topographic maps and trail tracking would help navigate through forests. A durable design is essential to withstand the demanding outdoor conditions typically encountered in forestry work.

Civil Engineers – Civil engineers use handheld GPS units for various tasks, including surveying land and infrastructure planning. When selecting a device, they should prioritize accuracy to the centimeter range, as precise measurements are essential for engineering projects.

Robust connectivity features such as wireless data transfer and Bluetooth compatibility with other surveying equipment can enhance efficiency in the field. Establishing baseline measurements and performing coordinate transformations would also be beneficial for integration with engineering software.

Final Thoughts

By understanding the specific needs, you can more easily identify the best handheld GPS device for your requirements. With devices providing a wide range of features, it’s essential to know which ones will suit your needs most effectively and help you get the job done faster and more accurately.

And if you’re new to surveying or unsure which device is the best for you, you can always ask the experts at Trakkit for advice. Our team of experienced tech professionals will be happy to help you find the perfect GPS unit for your project!

Frequently Asked Questions About Using a Handheld GPS Device for Surveying

How accurate is GPS for surveying?

A Global Positioning System (GPS) device can be highly accurate when used for surveying. It can provide positioning information with an accuracy of less than one meter in many cases and even down to the centimeter range with differential correction.

What is the most accurate handheld GPS device for surveying?

The SMAJAYU GNSS Surveying Rover System is the most accurate handheld GPS device for surveying. It features high-precision, fast-tracking RTK-GPS technology and supports survey-grade antennas for accuracy down to the centimeter range.

What is the difference between GPS and GNSS surveying?

GPS and GNSS surveying are methods used to measure field positioning accurately. While GPS is limited to information from satellites operated by the US government, GNSS utilizes data from multiple satellite systems such as Galileo, GLONASS, and BeiDou.


GNSS surveying is usually more accurate than GPS surveying because it uses a broader range of satellite networks.

What is the difference between GPS and GIS in surveying?

GPS is a location-based technology that collects and stores positioning data for surveying purposes. GIS (Geographic Information System) utilizes GPS data to generate maps containing geographic information such as roads, underground utilities, buildings, boundaries, elevation, etc.

What is the most accurate GPS for mapping?

The SMAJAYU GNSS Surveying Rover System paired with GIS equipment is the most accurate for mapping. It features high-precision fast-tracking RTK-GPS technology and supports survey-grade antennas for accuracy down to the 1-centimeter range.