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 complete PPK drone mapping workflow from hardware setup through post-processing to orthomosaic generation. Covers base and rover configuration, camera triggers, Emlid Studio processing,...

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

Quick Answer Emlid Reach RTK GNSS receivers provide professional centimetre-level positioning for surveying, drone mapping, and engineering applications. Using all-band RTK technology, they deliver sub-2cm...