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Latest from XRTech

Field notes on satellite imagery, tasking, and analysis from the team building our satellite imagery search and delivery pipeline.

Advantages and Disadvantages of Remote Sensing
Insights

Advantages and Disadvantages of Remote Sensing

The advantages and disadvantages of satellite remote sensing, from cost and speed gains to cloud-cover limits, and how AI now closes most of those gaps.

2026-09-24

How to Order Satellite Images, Step by Step
Insights

How to Order Satellite Images, Step by Step

Learn how to order satellite images step by step, from picking resolution and sensor type to pricing, delivery, and tasking, for any buyer or project.

2026-09-24

What Is a Cash Crop? Definition and Real-World Examples
Agriculture

What Is a Cash Crop? Definition and Real-World Examples

See what a cash crop is, real cash crop examples from farms worldwide, and why cash crop farming looks different in the US, India, Brazil, and beyond.

2026-09-24

How to Know if Crop Stress Is Drought, Pests, or More
Agriculture

How to Know if Crop Stress Is Drought, Pests, or More

How to tell whether satellite crop stress comes from drought, pests, disease, or nutrient deficiency, using spatial patterns, bands, and indices.

2026-09-22

How Satellite Imagery Prevents Lethal Mining Accidents
Mining

How Satellite Imagery Prevents Lethal Mining Accidents

How InSAR, hyperspectral, and radar satellites catch tailings dam failures, slope collapses, and toxic leaks before they turn into lethal mining accidents.

2026-09-22

How Satellites Detect Minerals and Target Prospects
Mining

How Satellites Detect Minerals and Target Prospects

How satellites detect minerals from orbit, real accuracy figures, gold and copper case studies from Mauritania, Tanzania, Chile, and the DRC, and pricing.

2026-09-22

How Satellites Monitor Mining From Exploration to Closure
Mining

How Satellites Monitor Mining From Exploration to Closure

See how satellites track a mine site from mineral exploration and 3D terrain modeling to InSAR safety monitoring, environmental compliance, and closure.

2026-09-22

Key Mineral Alteration Signatures Satellites Detect
Mining

Key Mineral Alteration Signatures Satellites Detect

The key mineral alteration signatures satellites detect, diagnostic SWIR wavelengths, band ratios, porphyry zonation, and a real Cuprite, Nevada case study.

2026-09-22

Best Satellite Data for Crop Risk Underwriting
Insurance

Best Satellite Data for Crop Risk Underwriting

The most reliable satellite data sources for underwriting crop risk when a county's historical yield records are incomplete, from archives to AI models.

2026-09-22

What Is Multispectral Imaging?
Insights

What Is Multispectral Imaging?

Multispectral imaging explained, how sensors capture NIR and SWIR bands, real NDVI examples, and how it compares with hyperspectral imagery.

2026-09-22

Types of Aerial Imagery for Crop Assessment
Agriculture

Types of Aerial Imagery for Crop Assessment

The types of aerial imagery for crop assessment span satellites, airplanes, and drones, each suited to a different resolution, cost, and revisit need.

2026-09-17

Best Satellite Resolution for Agricultural Imagery
Agriculture

Best Satellite Resolution for Agricultural Imagery

The best satellite resolution for agricultural imagery ranges from 25 cm for pest scouting to 30 m wide-swath data for regional yield modeling.

2026-09-17

Crop Diseases, Types, Symptoms, and Control
Agriculture

Crop Diseases, Types, Symptoms, and Control

Crop diseases, whether bacterial, fungal, viral, nematode, or parasitic, cause up to 40% of global crop loss. Learn symptoms, causes, and control methods.

2026-09-17

How Satellite Imagery Monitors Crop Growth
Agriculture

How Satellite Imagery Monitors Crop Growth

Satellite imagery tracks crop growth stage by stage using NDVI, NDRE, thermal, and radar data, from emergence through harvest, without a field visit.

2026-09-17

Real Earth Images From Space, With NASA Photo Credits
Insights

Real Earth Images From Space, With NASA Photo Credits

Real photos of Earth from space, from the first 1959 satellite image to Artemis II's 2026 Earthset, each with its capture date and NASA credit.

2026-09-17

Yield Estimation With Satellite Imagery
Agriculture

Yield Estimation With Satellite Imagery

Yield estimation from satellite imagery uses NDVI, multispectral, and AI to forecast crop yields before harvest, up to 85% accuracy county-wide.

2026-09-17

Satellite Imagery for Crop Stress and Disease Detection
Agriculture

Satellite Imagery for Crop Stress and Disease Detection

Satellite imagery detects crop stress and disease using red edge, yellow band, and NIR data, often over 90% accurate, before symptoms appear.

2026-09-17

Satellite Imagery for Irrigation, Soil Moisture Monitoring
Agriculture

Satellite Imagery for Irrigation, Soil Moisture Monitoring

Satellite optical and radar imagery maps field-scale soil moisture and canopy water stress, powering data-driven irrigation scheduling and drought alerts.

2026-09-17

14 Free Satellite Imagery Sources for Recent, High-Res
Insights

14 Free Satellite Imagery Sources for Recent, High-Res

Compare 14 free satellite imagery sources by resolution, update frequency and download options, from Sentinel-2 and NISAR to Google Earth.

2026-09-10

Multiple Cropping: Types, Examples, and Benefits
Agriculture

Multiple Cropping: Types, Examples, and Benefits

Multiple cropping explained in plain terms: intercropping, relay, and sequential cropping types, real land-equivalent-ratio and yield data, historical examples from Egypt to the Maya, and how satellite imagery tracks cropping intensity field by field.

2026-09-10

Building 3D Models From Satellite Stereo Imagery
3D Mapping

Building 3D Models From Satellite Stereo Imagery

How stereo and tri-stereo satellite imagery becomes DEMs, DSMs, building white models, and 3D digital twins, plus the satellites, workflow, and pricing behind it.

2026-09-09

Advantages of Crop Rotation: Definition, Benefits, and How It Works
Agriculture

Advantages of Crop Rotation: Definition, Benefits, and How It Works

The advantages of crop rotation, from a 38% yield boost to 39% lower nitrous oxide emissions, explained with real research data, a rotation-planning table, and how satellite imagery verifies crop diversification compliance.

2026-09-09

Tracking Urban Growth With Satellite Change Detection
Urban Planning

Tracking Urban Growth With Satellite Change Detection

How AI change detection turns before-and-after satellite imagery into building footprints, illegal construction alerts, and subsidence monitoring for growing cities.

2026-09-09

Satellite Image Resolution: How to Choose the Right Spatial Resolution
Insights

Satellite Image Resolution: How to Choose the Right Spatial Resolution

Every satellite resolution tier explained, from 15 cm super-high to 30 m hyperspectral, with satellites, pricing, and what each pixel size actually shows.

2026-09-09

Digital Elevation Models (DEM) for Flood Risk Modeling
DEM

Digital Elevation Models (DEM) for Flood Risk Modeling

How satellite DEM images turn flat maps into 3D terrain for flood simulation, watershed mapping, and emergency response, with the accuracy specs that actually matter.

2026-09-09

Canopy Health Monitoring for Forestry
Forestry

Canopy Health Monitoring for Forestry

How multi-spectral and hyperspectral satellite imagery tracks canopy health, catching disease, illegal logging, and fire risk before the damage becomes visible on the ground.

2026-09-09

Hyperspectral Imaging in Mineral Exploration: Mapping Gold and Copper Ore
Mining

Hyperspectral Imaging in Mineral Exploration: Mapping Gold and Copper Ore

How hyperspectral satellites map gold, copper, and iron ore signatures invisible to the eye, with satellite specs, a step-by-step workflow, real case studies, costs, and an FAQ.

2026-09-09

Satellite Imagery as Insurance Claims Evidence
Insurance

Satellite Imagery as Insurance Claims Evidence

How satellite imagery and SAR give insurers time-stamped, legally verifiable evidence for pre-loss risk assessment, claims verification, fraud reduction, and faster payouts.

2026-09-09

Intensive Subsistence Farming: Definition, Types, and Practices
Agriculture

Intensive Subsistence Farming: Definition, Types, and Practices

Intensive subsistence farming explained: definition, characteristics, and how it differs from extensive and commercial agriculture, plus where it's practiced today and how satellite tools now reach smallholder farms.

2026-09-09

SAR Satellite Imagery for Disaster Response Mapping
Disaster Monitoring

SAR Satellite Imagery for Disaster Response Mapping

How radar satellites see through cloud, smoke, and darkness to map floods, oil spills, landslides, and wildfires when optical imagery can't.

2026-09-09

Soil Conservation Methods: Techniques, Benefits, and How to Choose the Right One
Agriculture

Soil Conservation Methods: Techniques, Benefits, and How to Choose the Right One

15 proven soil conservation methods and techniques, from contour farming and no-till to cover crops and terracing, with real erosion-reduction data and how satellite imagery tracks results field by field.

2026-09-09

Types of Soil: The Complete Guide to Soil Categories and Characteristics
Agriculture

Types of Soil: The Complete Guide to Soil Categories and Characteristics

Sand, clay, silt, loam, chalk, and peat compared by drainage, pH, and fertility, plus the USDA's 12 soil orders, the texture triangle, and how satellite imagery now maps soil types at scale.

2026-09-09

Precision Agriculture With Satellite Imagery
Agriculture

Precision Agriculture With Satellite Imagery

How satellite imagery supports precision agriculture, from NDVI and NDRE crop-health mapping to soil moisture, yield estimation, and irrigation planning.

2026-09-04

Tasking vs Archive Search: Which Do You Need
Insights

Tasking vs Archive Search: Which Do You Need

A quick decision guide for choosing between existing archive imagery and new satellite tasking.

2026-04-30

SAR for Maritime Monitoring
Disaster Monitoring

SAR for Maritime Monitoring

Radar's day-night, all-weather advantage makes it the default choice for vessel tracking and spill detection.

2026-04-18

Cloud Cover in Satellite Imagery Archive Search
Insights

Cloud Cover in Satellite Imagery Archive Search

See what 0% to 30% cloud cover really means, whether it covers your exact site, and how to search an imagery archive for a clear, usable scene.

2026-03-22