![]() ![]() Instead of doing real-time corrections to spatial data, PPK allows for coordinated data collection so that they can be corrected during post-processing. PPK is useful when doing mapping surveys in areas where communication between the drone and the ground station is not assured. The H520 RTK was also designed to be compatible with a PPK process. These are sold separately but can certainly expand the possibilities of the drone. Yuneec offers a range of high-end accessories for the H520 RTK including the CGOET thermal camera and the E90 20MP high-speed camera. First off is the fact that it does not have a fixed payload. There are a couple of things about the H520 RTK that make it stand out. As the name implies, the drone comes with a built-in RTK module and a Network RTK base station. Sporting the signature hexacopter build of Yuneec, the H520 RTK offers a wide range of solutions for mapping professionals. The H520 RTK is Yuneec’s entry into the market for mapping drones. It also does not have an interchangeable payload which restricts you to mapping via photogrammetry. The biggest limitation of the Phantom 4 RTK is the fact that it was not designed to be compatible with a Post-Processing Kinematic (PPK) workflow. The special GS RTK app was developed specifically for this drone, allowing for intuitive flight planning and easy execution on the field. The Phantom 4 RTK also comes with an upgraded controller with a hot-swappable battery, a slot for a microSD card to store survey data, and an option for 4G connectivity for cloud-based backup. Combined with the D-RTK2 ground station, this drone can collect spatial data at centimeter-level accuracy. Located at the top of the drone is the characteristic RTK module. The Phantom 4 RTK retains all the best qualities of the standard Phantom 4 – a 1-inch CMOS sensor, a 3-axis gimbal, and a 5870 mAh battery that can keep the drone airborne for up to 30 minutes. It’s a drone that came with the industry-defining features of the Phantom 4 and was further augmented with RTK technology. When the RTK version of the Phantom 4 was released several years ago, it instantly changed the game as far as mapping professionals were concerned. ![]() DJI Phantom 4 RTKįor a very long time, the Phantom 4 drone from DJI was considered the standard of professional-grade drones. The only real downsides are the size of the drone and the extremely high cost. It has a global mechanical shutter and it can produce models with up to 3 cm level accuracy without ground control points. The Zenmuse P1 is a full frame camera that’s on a 3-axis gimbal. ![]() If you want the best setup, the DJI Matrice 300 with a Zenmuse P1 can’t be beat. Learn how to create professional drone maps. Additionally, the Mavic 3 Enterprise has a flight time of up to 45 minutes, which is more than a 50% increase compared to the Phantom 4. This means that the drone has better low light capabilities, which will help you get better photos outside of peak sun hours or during cloudy conditions. The micro 4/3 sensor on the Mavic 3 Enterprise is significantly larger than the 1 inch sensor on the Phantom 4. A mechanical shutter will dramatically improve your drone models because you won’t have rolling shutter issues which create blur in your images when you are flying. The reason that this drone is awesome for mapping is because it’s one of a handful of drones that has a mechanical shutter. The Mavic 3 Entreprise is a long-awaited replacement to the DJI Phantom 4, which has long served as the workhorse of drone mappers worldwide. Top 5 best drones for mapping and surveying 1. Not all drones are made for the job, so here’s a short list of the best drones for mapping and surveying. However, doing a drone survey is going to take more than just buying any standard commercial drone. Not only do drones make surveying jobs easier, but they can also produce data and models that are more accurate. By using a drone, surveyors no longer need to spend several days or weeks walking through the survey area and taking manual measurements. Of the many commercial uses of drones, mapping and surveying seem like some with the most natural fit. ![]()
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