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TOPODRONE, Rue de la Gare 13, Montreux (2026)

27/07/2026

🏔 PLANNING AN OPEN-PIT GOLD MINE WITH A DTM

Hello everyone! 👋

Here's a look at one of our surveys on a gold mining site. The flights were done in the autumn and we're only publishing now, but the project has lost none of its value as a case study: the site gave us around 750 m of vertical relief and ridge lines running off into the distance. The weather, thankfully, was on our side — clear skies and moderate wind, and in terrain like that it's a gift you make the most of quickly.

Which is exactly what we did: in a single day we surveyed an area of more than 1,400 hectares and produced a high-accuracy digital terrain model — the basis for designing the future open-pit gold mine.

👌 Project highlights:

1️⃣ Equipment — DJI Mavic 3E + PPK base station.
2️⃣ Flight parameters — 300 m altitude, 80/60% overlap, 10 m/s ground speed.
3️⃣ Software — UgCS (mission planning), TOPODRONE Post Processing (PPK), Agisoft Metashape (photogrammetry).
4️⃣ Fieldwork — 9 flights, 3 hours, 1 working day.
5️⃣ Deliverables — orthophoto mosaic and digital terrain model (2 m contour interval).

🌐 Accuracy: 6–10 cm on check points (12 ground targets established across the site).

⚙️ How the model is used:

➖ designing pit outlines and waste dumps,
➖ calculating overburden and ore volumes,
➖ siting infrastructure,
➖ modelling drainage systems,
➖ monitoring terrain change over time.

🔖The takeaway: UAV + PPK + dedicated software delivers engineering-grade data in a single day, fully meeting the requirements for 1:2000 scale topographic survey.

➡️ Full write-up, methodology, model examples and plenty of striking imagery — on our Blog:
https://topodrone.com/blog/high-accuracy-digital-terrain-modelling-for-a-gold-mining-operation/

TOPODRONE

27/07/2026

📹 DJI MATRICE 400 — THE FLAGSHIP PLATFORM FOR DEMANDING INDUSTRIAL OPERATIONS

On a challenging site, a platform’s capabilities are measured by more than flight time alone. What matters is the payload it can carry, how reliably it detects obstacles and whether it can complete the mission without unnecessary landings and relaunches.

The DJI Matrice 400 combines up to 59 minutes of flight time, a payload capacity of up to 6 kg and a comprehensive safety system for operations around infrastructure, across large sites and in demanding environments.

🥇 Why is the Matrice 400 a flagship platform?

✅ Extended missions: up to 59 minutes of flight time and up to 53 minutes of hover time — reducing the number of landings required for large-scale surveys.
✅Flexible configuration: supports multiple payloads, including LiDAR systems, photogrammetry and thermal imaging cameras, spotlights and other compatible equipment.
✅Power-line-level obstacle detection: rotating LiDAR, six-directional mmWave radar and full-colour fisheye cameras enhance situational awareness around wires and other slender structures.

⚙️ Key specifications

1️⃣ Payload capacity: up to 6 kg, depending on the mounting point, configuration and operating conditions.
2️⃣ Maximum speed: up to 25 m/s.
3️⃣ Transmission: O4 Enterprise Enhanced with a range of up to 40 km under ideal, unobstructed and interference-free conditions, plus support for airborne relay transmission.
4️⃣ Protection: IP55 rating and an operating temperature range of −20°C to +50°C.
5️⃣ Automation: waypoint missions, real-time terrain following, AR-assisted navigation, and take-off and landing from moving vessels under the specified operating conditions.
6️⃣ TOPODRONE payload integration: compatible LiDAR systems, P61 and Sony ILX-LR1 cameras, and PPK solutions can be integrated with the platform.

👌 Warranty: 12 months.
🔖 Price: $9,500

The equipment is supplied with engineering consultation, payload selection support and assistance from TOPODRONE’s in-house service centre.

➡️ Contact us for a quotation and a configuration tailored to your requirements. Email [email protected] 🤝

TOPODRONE

17/07/2026

🚀 TOPODRONE LR1 DUAL GIMBAL — TWO SENSORS IN A SINGLE FLIGHT WITH DJI MATRICE

When a project requires imaging with two cameras, the conventional approach involves two separate flights. This increases survey time and battery usage, makes operations more dependent on the available weather window, and means the datasets are captured under different conditions.

The TOPODRONE LR1 Dual Gimbal Kit enables two Sony ILX-LR1 cameras to be mounted on a single DJI Matrice 400 or DJI Matrice 350. Both cameras can capture data simultaneously along the same flight path, under identical conditions and with high-accuracy PPK georeferencing.

🤓 What does the Dual Gimbal Kit offer?

✅ Two sensors in a single flight: simultaneous data capture reduces the need for repeat flights when surveying large areas and linear assets.
✅ 3–5 cm accuracy: each LR1 PPK module provides high-accuracy georeferencing following PPK processing, with no live RTK corrections or ground control points required during the survey.
✅ Compatible with two platforms: the kit supports both the DJI Matrice 350 and Matrice 400. The connector mounts directly onto the M350, while integration with the M400 is provided via the X-Port and E-Port V2 interfaces.

⚙️ Key specifications:

1️⃣ Kit contents: 2 × TOPODRONE LR1 PPK modules and Dual Gimbal Connectors for the DJI Matrice 350 and Matrice 400.
2️⃣ Accuracy: 3–5 cm without live RTK corrections, achieved through post-processed kinematic positioning.
3️⃣ GNSS: 1,408 channels and a 20 Hz logging rate per module, with support for GPS, GLONASS, BeiDou, Galileo, SBAS and QZSS.
4️⃣ Payload capacity: up to 950 g per gimbal mount, with quick-release mounting systems.
5️⃣ Camera control: direct control of the Sony ILX-LR1 from the DJI remote controller, including shutter release and exposure settings.

👌 Warranty: 12 months.
🔖 Price: available on request.

😎 Ideal applications:

🟣 Mapping and linear asset surveys: roads, pipelines, power lines and extended survey corridors — with fewer flights required.
🟣 Inspections: simultaneous imaging with two cameras, using different viewing angles or sensor configurations.
🟣 M350 and M400 fleets: one kit can be configured for either platform to suit the requirements of each project.

➡️ Contact us for a quotation and a configuration tailored to your requirements and UAV fleet. Email us at [email protected] or send us a direct message. 🤝

TOPODRONE

14/07/2026

📌 TOPODRONE AVIA — THE MOST AFFORDABLE LIDAR SYSTEM IN THE TOPODRONE SCANNER RANGE

Hello everyone! 👋

Airborne LiDAR surveying is often associated with multi-million budgets. TOPODRONE AVIA is our in-house solution built around the Livox Avia sensor, making LiDAR technology more accessible without compromising accuracy.
With PPK processing, you can achieve a stable GNSS fix at distances of up to 25 km from the base station, without the need for ground control points.

🔖 Why do professionals choose AVIA?

✅ Speed: Generate point clouds up to 10× faster than conventional photogrammetry workflows.
✅ Vegetation pe*******on: Reliably captures terrain beneath tree canopies, dense vegetation, and tall grass.
✅ Automation: Fully automated scanning workflow with straightforward data conversion into local coordinate systems.

⚙️ Key specifications:

1️⃣ Sensor: Livox Avia — a proven solid-state LiDAR solution for high-quality airborne laser scanning.
2️⃣ PPK technology: Operates without internet connectivity and without ground control points (up to 25 km from the base station).
3️⃣ Efficiency: Detection range up to 450 m, operational altitude up to 100 m.
4️⃣ Field of view: 70.4° × 77.2° — providing dense coverage in a single flight pass.
5️⃣ Platform compatibility: DJI Matrice 400 / 350 / 300 RTK and other UAV platforms.

👌 Warranty: 12 months.
🔖 Price: $9 100

😎 What you get with the scanner:

✅ Technical support directly from the system development engineers.
✅ Upon request — practical training in PPK workflows and LiDAR data post-processing using real project datasets.
✅ Complete ready-to-use package: LiDAR scanner, mounting bracket, cables, memory card, GNSS antenna, and protective case.

➡️ Order TOPODRONE AVIA on our website:
https://topodrone.com/product/lidar/aeriallidar/topodrone-avia/

🤝 Need technical advice?
Contact us at [email protected] — we will answer your technical questions promptly.

10/07/2026

🔥 DJI MATRICE 4E IN STOCK AND READY TO DISPATCH

Hi everyone! 👋

When it comes to fieldwork, you don't ask for much from a drone: rapid on-site deployment, hassle-free flights, and data that processes seamlessly the first time round. The DJI Matrice 4E handles this brilliantly, and its datasets are fully supported in our TOPODRONE Post Processing software — from trajectory computation through to precise image centre correction.

Ideal for surveying, topography, construction, and mining.

⚙️ Core Specifications:

1️⃣Triple Camera System — Wide-angle (4/3″ CMOS sensor, 20 MP, mechanical shutter, 24 mm EFL) + medium telephoto (48 MP, 70 mm) + telephoto (48 MP, 168 mm, capable of clearly resolving object details at distances up to 250 m).
2️⃣ Built-in Laser Rangefinder (LRF) — Measures distances up to 1,800 m, with an accuracy of ±(0.2 + 0.0015 × D).
3️⃣ RTK Module + GNSS/Vision Fusion Positioning — 15-second rapid takeoff, ensuring a reliable Return to Home (RTH) even in the event of GNSS signal loss.
4️⃣ Purpose-built for Mapping — 0.5s interval shooting, mapping flight speeds of up to 21 m/s, 5-direction oblique capture, and 3-direction orthomosaic capture (covering up to 2.8 km² in a single flight).
5️⃣ DJI O4 Enterprise Video Transmission — Up to 25 km transmission range.
6️⃣ Up to 49 minutes of flight time and omnidirectional obstacle sensing (all-round binocular vision + bottom infrared sensor).

👌 Warranty: 12 months.
🔖 Price: $4 700

😎 What you get alongside the drone:
✅ Tech support from engineers who actively fly missions and process data themselves.
✅ In-house service centre: Diagnostics, repairs, upgrades, and bespoke configuration for your specific requirements.
✅ On-demand training, including hands-on fieldwork and professional certification.

➡️ You can order the drone on our website:
https://topodrone.com/product/photogrammetry/aerial-mapping/dji-matrice-4e/

🤝 Need some advice? Drop us an email at [email protected], and we’ll answer any questions you have straight away.

TOPODRONE

01/07/2026

🔥 TOPODRONE PPK GNSS MODULES: GEODETIC PRECISION FOR YOUR DJI OR AUTEL DRONE

Hi everyone! 👋

Already own a drone but want geodetic-grade accuracy without the expense of a high-end platform? TOPODRONE PPK modules transform popular consumer and semi-professional drones into fully capable geodetic instruments — achieving 2–3 cm accuracy with no ground control points required.

We produce dedicated modules for each platform: DJI Mini 4 Pro, DJI Mini / Mini 2, DJI Mavic 2 Pro, DJI Air 2S, DJI Phantom 4 Pro / Pro v2.0, and Autel EVO II Pro V2/V3.

😎 TOPODRONE PPK — Key Features:

1️⃣ Geodetic accuracy without GCPs: photo-centre coordinates accurate to 2–3 cm, with no need to lay out or survey ground control points on site.
2️⃣ No internet or RTK network required: post-processing is carried out after the flight, so results are entirely independent of on-site signal coverage.
3️⃣ Fixed solutions up to 25 km: reliable performance at extended distances from the base station, with multi-constellation L1/L2 GNSS support.
4️⃣ Raw data and shutter-event logging: robust GNSS–camera synchronisation, minimising errors during post-processing.
5️⃣ Onboard recording to memory card: data is stored locally; no Wi-Fi connection required.
6️⃣ TOPODRONE POST PROCESSING Pro software included: a perpetual licence with one year of support, automatic photo-centre conversion, and compatibility with local coordinate reference systems.
7️⃣ Quick installation in 15–20 minutes: no specialist equipment needed — straightforward self-installation.

Applications ⬇️

✅ Geodesy and topography: topographic survey at 1:500 scale to geodetic accuracy.
✅ Photogrammetry: production of orthophoto maps and 3D models with centimetre-level georeferencing.
✅ Cadastral and engineering surveys: boundary demarcation, land inventory, and spatial data preparation.
✅ Mine surveying: quarry and open-cast surveys, volume calculations for embankments, cuttings, and stockpiles.
✅ Construction and progress monitoring: tracking works on site and comparing against design documentation.
✅ Remote and hard-to-access locations: dependable operation where stable connectivity and ground infrastructure are unavailable.

🔖 Pricing: available on request
👌 Warranty: 12 months on the complete kit.

➡️ Want to find out which module suits your drone? Get in touch at [email protected] — we'll help you identify the right configuration. 🤝

TOPODRONE

26/06/2026

⚡️ TOPODRONE SLAM 2000: HANDHELD LASER SCANNER BASED ON THE LIVOX MID-360

How can you quickly survey a complex site when you are surrounded by solid walls, underground vaults or dense urban development, and satellite signal is unavailable?
TOPODRONE SLAM 2000 was designed precisely for these tasks: a compact handheld laser scanner based on the Livox Mid-360. It operates without GNSS and enables the capture of colourised point clouds indoors, in tunnels, underground facilities, industrial sites and urban environments. It is a solution for mobile 3D scanning wherever conventional satellite navigation is not an option.

🤓 SLAM 2000 key features:

1️⃣ Livox Mid-360 — laser sensor with a 360° × 7–52° field of view.
2️⃣ Up to 200,000 points per second — for detailed point cloud capture.
3️⃣ Range of up to 70 m — recommended operating range for mobile scanning: up to 40 m.
4️⃣ 3–5 cm accuracy — suitable for engineering, construction and surveying tasks.
5️⃣ GNSS-free operation — scanning indoors, in tunnels, basements, mines and shielded environments.
6️⃣ Built-in cameras — point cloud colourisation in true colour.
7️⃣ Standalone operation — data recording to a memory card, NFC and an integrated battery.
8️⃣ Real-time monitoring — point cloud preview during data capture via the mobile app.
9️⃣ Multiple operating scenarios — handheld, backpack-mounted or vehicle-mounted scanning.

Where SLAM 2000 can be used ⬇️

✅ Architecture and BIM — measured building surveys, accurate 3D modelling of buildings and creation of digital twins for industrial facilities.
✅ Construction and refurbishment — work volume control, as-built condition checks and engineering surveys.
✅ Tunnels and underground structures — detailed surveying where satellite signal is completely unavailable.
✅ Urban infrastructure — asset inventory, monitoring of road networks, street infrastructure and facades.
✅ Surveying and topography — rapid spatial data capture in complex and enclosed environments.

🔖 Price: $13 800

➡️ Need advice on the SLAM 2000? Contact us at [email protected] or send a direct message to . We will be happy to help you choose the right equipment. 🤝

TOPODRONE

22/06/2026

🏔 TOPODRONE ON SITE: TRAINING AT A ACTIVE GOLD MINING FACILITY

Happy Monday, everyone! 👋

The TOPODRONE team recently conducted an intensive on-site practical training programme for specialists at an active gold mining facility. The enterprise operates both open-pit and underground mines, with an impressive annual output of around 2.5 tonnes of gold.
Given the complex logistics and remote location of the mining sites, the cost of any surveying error is exceptionally high. Because of this, the training was carried out under real-world, live operational conditions. We focused on two key objectives: mastering surveys of active sites for volume calculations, and preparing spatial data for future exploration.

⚙️ Key Fieldwork Addressed:

The specialists mastered the complete technological cycle of photogrammetric workflows:
✅ In the field: Flight mission planning in UgCS, executing aerial surveys using the DJI Matrice 4E drone at an altitude of 150m with an 80/60% image overlap, and working with base stations and ground control points (GCPs).
✅ In the office: PPK data post-processing in TOPODRONE Post Processing, photogrammetric processing in Agisoft Metashape, and generating orthomosaics and dense point clouds (the final point cloud for one of the sectors exceeded 96 million points).

🤓 The Benefits for Gold Mining Operations:

1️⃣ A Measurable Foundation: Dense point clouds and Digital Surface Models (DSMs) allow for precise analysis of terrain morphology, pit walls, benches, and industrial pads.
2️⃣ Operational Control: Regular drone surveys help track material movement, excavation volumes, stockpiles, and waste dumps.
3️⃣ Time Efficiency: Accurate georeferencing and on-site data quality control eliminate the need for costly return trips to remote sites.

🔖 Following the training, the team received ready-to-use digital models, contour lines, and cross-sections of their sites. Most importantly, they gained the practical skills needed to seamlessly integrate drone technology into their daily production workflows.

➡️ Read the full technical case study, view elevation models, and explore the survey details on our website in the News section:
https://topodrone.com/company/news/topodrone-delivers-on-site-training-at-a-gold-mining-enterprise/

TOPODRONE

19/06/2026

🔥 TOPODRONE LR1 PPK WITH X-PORT: HIGH-PRECISION GNSS KIT FOR DJI MATRICE AND SONY ILX-LR1

Hello everyone! 👋

Today, we are highlighting the TOPODRONE LR1 PPK with X-Port — an all-in-one professional solution for high-precision aerial surveying and geomatics. This kit has been specifically engineered to seamlessly integrate the full-frame 61 MP Sony ILX-LR1 camera with DJI Matrice 350 RTK and DJI Matrice 400 industrial UAVs.

The standout feature of this setup is its plug-and-play operation via the 3-axis DJI X-Port gimbal. An onboard Linux-based computer with DJI PSDK support gives you absolute control over the camera directly from the drone's remote controller. You can adjust exposure settings and trigger the mechanical shutter mid-flight, while the integrated 1408-channel receiver delivers centimetre-level accuracy for every single shot — entirely eliminating the need for real-time RTK corrections.

🤓 TOPODRONE LR1 PPK with X-Port Key Features:

1️⃣Full DJI X-Port Integration — flawless 3-axis camera stabilisation and rock-solid compatibility with M350 and M400 flight platforms.
2️⃣3–5 cm PPK Accuracy — centimetre-grade post-processed kinematic results without deploying a local base station or relying on network RTK subscriptions.
3️⃣Ground Control Point (GCP) Free Surveying — no more spending hours laying out and coordinating physical markers across your site.
4️⃣Powerful GNSS Receiver — 1408 channels with a 20 Hz logging rate, supporting all major constellations (GPS, GLONASS, BeiDou, Galileo, SBAS, QZSS).
5️⃣Full Remote Control — tweak capture settings, shutter speed, and aperture, or trigger the shutter directly via the DJI Pilot app.
6️⃣Custom-Built for Sony ILX-LR1 — flawless compatibility with the industry-leading 61-megapixel interchangeable-lens camera and its mechanical shutter.
7️⃣Quick-Release Mount — rapid assembly and teardown of the control unit and camera body to maximize your efficiency on-site.
8️⃣Standalone Data Logging — raw GNSS measurements are saved directly to a dedicated microSD card for effortless post-processing.
9️⃣Proprietary Software Bundled — includes a permanent licence for TOPODRONE Post Processing Pro to quickly compute precise camera principal point coordinates.
1️⃣0️⃣ Manufacturer's Warranty — covered by a comprehensive 12-month official warranty across the entire kit.

Primary Applications ⬇️

✅ Professional Aerial Photogrammetry — generating high-precision orthomosaics, Digital Terrain Models (DTMs), and large-scale topographic maps.
✅ Geodesy and Cadastral Surveying — boundary mapping, land registration, and capturing pinpoint spatial data for GIS databases.
✅ Civil Engineering and Site Infrastructure — gathering detailed spatial insights for routing highways, pipelines, and other linear assets.
✅ BIM and Digital Twins — high-accuracy facade and infrastructure capture to build rich, textured 3D models of buildings and industrial plants.
✅ Mining and Quarrying Operations — rapid monitoring of open-cast pits and stockpiles, alongside precise volumetric calculations.

👌 The kit arrives in a true "turnkey" format: the PPK module, the bespoke quick-release mount, all required interface cables, a high-speed microSD card, and the post-processing software licence are all included in the box.

🔖 Price: Available on request

➡️ Need some technical advice on mounting the Sony ILX-LR1 to your DJI Matrice drone? Drop us a line at [email protected] or send a direct message to — we’d be delighted to help look after your requirements 🤝

TOPODRONE

15/06/2026

⚙️ HYBRID LiDAR + PHOTOGRAMMETRY AERIAL SURVEY: INTERLAKEN CASE STUDY

Happy Monday, everyone! 😉

We previously touched upon our comprehensive aerial survey project in Switzerland, but only gave you a quick teaser. Seeing the massive interest in hybrid survey methods right now, we’ve decided to put that right. Here is a detailed technical breakdown, focusing strictly on engineering data, flight parameters, and accuracy verification.

🔖 Key Highlights:

✅ The Site: 60 hectares of complex terrain, dense urban layout, road and rail infrastructure, and thick vegetation.
✅ The Mission: Rapid delivery of a digital archive and high-accuracy DTM within a single flight day.

⚙️ Hardware Setup & Flight Parameters
The equipment suite was built around the DJI Matrice 300 RTK UAV, with mission planning handled via UgCS Expert software:

1️⃣ Task Separation: A TOPODRONE P61 full-frame camera (61 MP, mechanical shutter) was used for RGB data capture to generate orthomosaics. Meanwhile, a TOPODRONE 200+ LiDAR (multi-echo mode) captured the terrain beneath the dense tree canopy.
2️⃣ Flight Specs: Altitude — 120 m, forward overlap — 80%, side overlap — 60%. Ground control was established using Ground Control Points (GCPs) with dedicated targets, measured via a GNSS receiver.

🖥 Data Processing & Accuracy Verification
Field data processing was split into two distinct workflows:

⏺Photogrammetry (TPP + Agisoft Metashape): The trajectory was computed in TOPODRONE Post Processing (TPP) software. The Root Mean Square Error (RMSE) on GCPs came in at: X — 2.7 cm, Y — 1.9 cm, Z (altitude) — 2.5 cm.
⏺Laser Scanning (TPP + LiDAR360): A Smoothed Best Estimate of Trajectory (SBET) was generated using GNSS (10 Hz) and IMU (200 Hz) data. In LiDAR360, the point cloud was noise-filtered and classified into ground, buildings, roads, and vegetation. The vertical RMSE was 2.8 cm.

👌 The Verdict: The RMSE for both methods remained under 5 cm, fully meeting the stringent requirements for 1:500 scale topographic mapping. The hybrid approach allowed us to clear up photogrammetry 'blind spots' under canopy using LiDAR in just a single day, delivering flawless DTMs, DSMs, contours, and orthomosaics to the client.

✅ Read the full case study on our website in the Blog section: https://topodrone.com/blog/lidar-meets-photogrammetry-a-deep-dive-into-the-interlaken-hybrid-aerial-survey/.

TOPODRONE

TOPODRONE

27/07/2026

27/07/2026

17/07/2026

14/07/2026

10/07/2026

01/07/2026

26/06/2026

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