--- title: General Knowledge | ROCK Knowledgebase description: General Knowledge --- [Skip to content](https://learn.rockrobotic.com/general-knowledge#main-content) English Show submenu for translations ![ROCK-robotic-community-logo.png\]](https://learn.rockrobotic.com/hs-fs/hubfs/ROCK-robotic-community-logo.png?width=250&height=50&name=ROCK-robotic-community-logo.png) - [ROCK Customer Support](https://www.rockrobotic.com/support/) Open main navigation Close main navigation - [ROCK Customer Support](https://www.rockrobotic.com/support/) - English Show submenu for translations - [www.rockrobotic.com](https://www.rockrobotic.com/) [www.rockrobotic.com](https://www.rockrobotic.com/) Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [ROCK Knowledgebase](https://learn.rockrobotic.com/) 2. [General Knowledge](https://learn.rockrobotic.com/general-knowledge) # General Knowledge - [How to Download PC Master: Updated Guide from Rock Robotic](https://learn.rockrobotic.com/how-to-download-pc-master-updated-guide-from-rock-robotic) - [Can I Have a Demo License for ROCK Desktop or SLAM Processing?](https://learn.rockrobotic.com/can-i-have-a-demo-license-for-rock-desktop-or-slam-processing) ## ROCK - [does the last mod date update](https://learn.rockrobotic.com/does-the-last-mod-date-update) - [How-to Register Your ROCK Hardware](https://learn.rockrobotic.com/registering-your-rock-hardware) - [What is the difference between the ROCK Desktop Pre-Processing Software and the ROCK Cloud Subscriptions?](https://learn.rockrobotic.com/what-is-the-difference-between-rock-pre-processing-software-and-the-rock-cloud) - [Current Firmware and Software Versions for LiDAR and ROCK Products](https://learn.rockrobotic.com/current-firmware-and-software-versions-for-lidar-and-rock-products) ## Drones - [What is the best weather for drone flying?](https://learn.rockrobotic.com/what-is-the-best-weather-for-drone-flying) - [LiDAR Mission Planning Fundamentals](https://learn.rockrobotic.com/lidar-mission-planning-fundamentals) - [What is the FAA Remote ID Rule?](https://learn.rockrobotic.com/what-is-the-faa-remote-id-rule) - [How Drone-Based LiDAR Can Be Used in Power Line Inspections](https://learn.rockrobotic.com/how-drone-based-lidar-can-be-used-in-power-line-inspections) - [How can LiDAR-enabled drones improve construction sites?](https://learn.rockrobotic.com/how-can-lidar-enabled-drones-improve-construction-sites) - [Photogrammetry vs. LiDAR: Which is Best for Your Project?](https://learn.rockrobotic.com/photogrammetry-vs.-lidar-which-is-best-for-your-project) - [How can different types of weather affect your aerial drone surveying?](https://learn.rockrobotic.com/how-can-different-types-of-weather-affect-your-aerial-drone-surveying) - [What is Drone Photogrammetry?](https://learn.rockrobotic.com/what-is-drone-photogrammetry) - [The Advantages of Drone Surveying vs. Traditional Methods](https://learn.rockrobotic.com/the-advantages-of-drone-mapping-vs-traditional-methods) - [How do drones fly?](https://learn.rockrobotic.com/how-do-drones-fly) - [Weather Considerations for Flying](https://learn.rockrobotic.com/weather-considerations-for-flying) See less ▼ ## GPS / GNSS - [What is GPS (and How Does It Work)?](https://learn.rockrobotic.com/what-is-gps-and-how-does-it-work) - [Understanding the 3 States of GPS/GNSS Signals](https://learn.rockrobotic.com/understanding-the-3-states-of-gps/gnss-signals) - [What is Real-Time Kinematic (RTK) Positioning?](https://learn.rockrobotic.com/what-is-real-time-kinematic-rtk-positioning) - [What is the difference between Real-Time Kinematics (RTK) and Post-Processing Kinematics (PPK)?](https://learn.rockrobotic.com/what-is-the-difference-between-real-time-kinematics-rtk-and-post-processing-kinematics-ppk) - [What is OPUS?](https://learn.rockrobotic.com/what-is-opus) - [What are NAVD88 and GEOID18?](https://learn.rockrobotic.com/what-is-navd88) - [Why is an Open-Sky Environment Important for GNSS Receivers?](https://learn.rockrobotic.com/why-is-an-open-sky-environment-important-for-gnss-receivers) - [What are some reasons a GNSS receiver could have a weak signal?](https://learn.rockrobotic.com/what-are-some-reasons-a-gnss-receiver-could-have-a-weak-signal) - [Understanding LOS and NLOS Satellites](https://learn.rockrobotic.com/understanding-los-and-nlos-satellites) - [What is a CORS (Continuously Operating Reference Station)?](https://learn.rockrobotic.com/what-is-a-cors-continuously-operating-reference-network) - [RINEX & NTRIP - Do they work together?](https://learn.rockrobotic.com/ntrip-and-rinex) See less ▼ ## LiDAR - [What is LiDAR?](https://learn.rockrobotic.com/what-is-lidar) - [What are the components of a LiDAR sensor?](https://learn.rockrobotic.com/what-are-the-components-of-a-lidar-sensor) - [How does a LiDAR sensor work?](https://learn.rockrobotic.com/how-does-a-lidar-sensor-work) - [How to get started with Drone LiDAR Mapping](https://learn.rockrobotic.com/resources-for-lidar) - [Understanding LAS and LAZ File Formats](https://learn.rockrobotic.com/understanding-las-and-laz-file-formats) - [How does LiDAR intensity impact the accuracy of point clouds?](https://learn.rockrobotic.com/how-does-lidar-intensity-impact-the-accuracy-of-point-clouds) - [Digital Terrain Model (DTM) versus Digital Surface Model (DSM)](https://learn.rockrobotic.com/digital-terrain-model-dtm-versus-digital-surface-model-dsm) See less ▼ ## Surveying - [What is datum in surveying?](https://learn.rockrobotic.com/what-is-datum-in-surveying) - [Why Are IMUs Important?](https://learn.rockrobotic.com/why-are-imus-important) - [The Importance of Accurate Point Cloud Data](https://learn.rockrobotic.com/the-importance-of-accurate-point-cloud-data) - [The Value of Accurate Stockpile Analysis](https://learn.rockrobotic.com/the-value-of-accurate-stockpile-analysis) - [The Importance of Ground Control Points in Aerial Surveying Projects](https://learn.rockrobotic.com/the-importance-of-ground-control-points-in-aerial-surveying-projects) - [Map Projections vs. Coordinate Systems: What's the Difference?](https://learn.rockrobotic.com/map-projections-vs.-coordinate-systems-whats-the-difference) - [Using Drone LiDAR in the Forestry Industry](https://learn.rockrobotic.com/using-drone-lidar-in-the-forestry-industry) See less ▼ - [ROCK R3 Pro](https://learn.rockrobotic.com/rock-r3-pro#main-content) - [Setup](https://learn.rockrobotic.com/rock-r3-pro#setup) - [Data collection](https://learn.rockrobotic.com/rock-r3-pro#data-collection) - [Updates and Maintenance](https://learn.rockrobotic.com/rock-r3-pro#updates-and-maintenance) - [Mobile Mount](https://learn.rockrobotic.com/rock-r3-pro#mobile-mount) - [Photogrammetry](https://learn.rockrobotic.com/rock-r3-pro#photogrammetry) - [ROCK Desktop](https://learn.rockrobotic.com/rock-desktop#main-content) - [Desktop Processing](https://learn.rockrobotic.com/rock-desktop#desktop-processing) - [Using ROCK Desktop](https://learn.rockrobotic.com/rock-desktop#using-rock-desktop) - [Desktop License](https://learn.rockrobotic.com/rock-desktop#desktop-license) - [Desktop Support](https://learn.rockrobotic.com/rock-desktop#desktop-support) - [Releases](https://learn.rockrobotic.com/rock-desktop#releases) - [ROCK Cloud](https://learn.rockrobotic.com/rock-cloud#main-content) - [Overview](https://learn.rockrobotic.com/rock-cloud#overview) - [Project Data](https://learn.rockrobotic.com/rock-cloud#project-data) - [Managing Projections](https://learn.rockrobotic.com/rock-cloud#managing-projections) - [ROCK Cloud Tools](https://learn.rockrobotic.com/rock-cloud#rock-cloud-tools) - [Processing](https://learn.rockrobotic.com/rock-cloud#processing) - [Deliverables & Exports](https://learn.rockrobotic.com/rock-cloud#deliverables-exports) - [General](https://learn.rockrobotic.com/rock-cloud#general) - [ROCK SLAM](https://learn.rockrobotic.com/rock-slam#main-content) - [SLAM Hardware](https://learn.rockrobotic.com/rock-slam#slam-hardware) - [SLAM Data Collection](https://learn.rockrobotic.com/rock-slam#slam-data-collection) - [ROCK Colorized SLAM Dock V2](https://learn.rockrobotic.com/rock-slam#rock-colorized-slam-dock-v2) - [SLAM Data Alignment](https://learn.rockrobotic.com/rock-slam#slam-data-alignment) - [ROCK Base Station](https://learn.rockrobotic.com/rock-base-station#main-content) - [ROCK Base Setup](https://learn.rockrobotic.com/rock-base-station#rock-base-setup) - [ROCK Network](https://learn.rockrobotic.com/rock-base-station#rock-network) - [Base Data](https://learn.rockrobotic.com/rock-base-station#base-data) - [ROCK Deliverables](https://learn.rockrobotic.com/rock-deliverables#main-content) - [Deliverables](https://learn.rockrobotic.com/rock-deliverables#deliverables) - [Ordering](https://learn.rockrobotic.com/rock-deliverables#ordering) - [Processing](https://learn.rockrobotic.com/rock-deliverables#processing) - [General Knowledge](https://learn.rockrobotic.com/general-knowledge#main-content) - [ROCK](https://learn.rockrobotic.com/general-knowledge#rock) - [Drones](https://learn.rockrobotic.com/general-knowledge#drones) - [GPS / GNSS](https://learn.rockrobotic.com/general-knowledge#gps-gnss) - [LiDAR](https://learn.rockrobotic.com/general-knowledge#lidar) - [Surveying](https://learn.rockrobotic.com/general-knowledge#surveying) - [ROCK R2A & R360](https://learn.rockrobotic.com/rock-r2a-r360#main-content) - [Hardware](https://learn.rockrobotic.com/rock-r2a-r360#hardware) - [Data Collection](https://learn.rockrobotic.com/rock-r2a-r360#data-collection) - [Aerial Data Capture](https://learn.rockrobotic.com/rock-r2a-r360#aerial-data-capture) - [Creating Orthomosaics](https://learn.rockrobotic.com/rock-r2a-r360#creating-orthomosaics) - [What's New](https://learn.rockrobotic.com/whats-new) - [Sales](https://learn.rockrobotic.com/sales) - [ROCK Ultra](https://learn.rockrobotic.com/rock-ultra#main-content) - [Setup](https://learn.rockrobotic.com/rock-ultra#setup) - [Data Collection](https://learn.rockrobotic.com/rock-ultra#data-collection) - [Settings](https://learn.rockrobotic.com/rock-ultra#settings) [![Chill listening crop-3](https://learn.rockrobotic.com/hs-fs/hubfs/ROCK-robotic-community-logo-1.png?width=120&height=24&name=ROCK-robotic-community-logo-1.png "Chill listening crop-3")](http://rockrobotic.com) rockrobotic.com Help Center Copyright © 2026, ROCK Robotic Inc.