Knowledge Base

How to use ground control points for accurate drone mapping. Covers GCP types, placement, RTK GNSS surveying, and checkpoints for quality verification.

Learn the three main camera trigger methods for drone mapping: hot shoe, intervalometer, and flight controller software trigger. Compare accuracy, setup complexity, and use cases...

Learn how to integrate Emlid Reach M2 RTK GPS with ArduPilot for centimetre-level drone positioning. Covers wiring, parameter configuration, base station setup, and Mission Planner...

Learn how to configure Emlid Reach receivers as base and rover for RTK surveying. Covers base placement, coordinate entry, LoRa and UHF radio setup, and...

Emlid Reach RX vs RX2 compared for surveying. Covers multi-band, constellations, canopy performance, battery, and Flow app. Choose RX2 for challenging environments.

RTK and PPK compared for drone mapping accuracy. Covers correction methods, workflow differences, and when to use each. Both achieve 1-3cm horizontal accuracy.

Learn to use Emlid Flow for surveying with Reach receivers. Covers point collection, area measurement, stakeout, and data export. Free vs Survey plan comparison.

Step-by-step guide to setting up Emlid Reach receivers as base and rover for RTK surveying. Covers correction links, NTRIP, LoRa radio, and drone integration.

Compare the Emlid Reach RS4 Pro, RS4, RS3, and RS2+ GNSS receivers. Specs, features, and which one to buy for surveying, construction, and drone mapping.

Learn how surveyors can support field crews remotely using GNSS and cloud software. Real-time drawing updates, live position tracking, and instant collaboration.

Quick Answer Subcontractors use RTK GNSS receivers to lay out work points, verify installations against design, and document as-built conditions with centimetre accuracy. This replaces...

Quick Answer For drone mapping and aerial surveys, the Emlid Reach RS4 Pro serves as a precision base station while the Reach M2 mounts directly...