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LT-1 SAR Satellite Imagery

The LT-1 constellation is a pioneering force in remote sensing, distinguished as the world's first L-band SAR constellation designed specifically for surface deformation interferometry. With the ability to measure ground movement with millimeter-level accuracy, LT-1 provides critical insights for infrastructure stability, geological hazard assessment, and DEM generation in any weather condition.

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Artistic representation of the LT-1 SAR satellite constellation in orbit.

Resolution

3m - 30m

Revisits

4 Days

Accuracy

mm-level

Sensor

L-Band SAR

Primary Mission

Interferometry

Mission Life

8 Years

Technical Specifications

Launch DatesLT-1A (Jan 2022), LT-1B (Feb 2022)
Altitude607 km
Orbit TypeSun-Synchronous
Mission Lifetime8 years
Sensor BandL-Band SAR
Revisit (Constellation)4 days
Imaging Modes
  • Strip Mode 1: 3m res, 50km swath, Single Pol
  • Strip Mode 2: 12m res, 100km swath, Single Pol
  • Strip Mode 3: 3m res, 50km swath, Dual Pol
  • Strip Mode 4: 6m res, 30km swath, Full Pol
  • Strip Mode 5: 20-30m res, 150-250km swath, Single Pol
  • Scan Mode: 30m res, 400km swath, Single Pol
Polarization ModesSingle (HH or VV), Dual (HH+HV or VV+VH), Full (HH+HV+VV+VH)

Features and Benefits

  • Millimeter-Level Accuracy: Specifically designed for interferometry, LT-1 can detect surface deformation with millimeter-level precision, essential for high-stakes monitoring.
  • All-Weather Penetration: The L-band SAR sensor penetrates clouds, rain, and darkness, and has a greater ability to penetrate vegetation canopies than C-band or X-band SAR.
  • Global DEM Generation: Its unique "flying around" mode is ideal for creating 1:50,000 DEMs, especially in equatorial regions that are persistently covered by clouds.
  • Versatile Polarization: Support for single, dual, and full polarization provides richer data, allowing for more advanced analysis of surface characteristics and land cover.

Applications

Surface Deformation Monitoring: Its primary application, used to detect minute ground movements for monitoring dams, bridges, pipelines, and identifying geological hazards like landslides and subsidence.
Oil & Gas Infrastructure: Conduct pipeline inspections and monitor for deformation and potential leaks, particularly in areas where adverse weather obscures optical views.
Global DEM Creation: Provides foundational elevation data for mapping, hydrology, and analysis, especially in challenging, cloud-covered tropical regions.
Environmental Monitoring: Monitor land use changes, forestry activities, and deforestation in consistently cloudy areas where optical sensors are limited.
Disaster Management: Offer critical all-weather support for monitoring flood zones, landslide-prone areas, and volcanic activity before, during, and after an event.
Urban Development & Defense: Contribute to various applications requiring high-precision terrain and stability data, regardless of weather conditions.

Why Choose XRTech Group for LT-1 SAR Imagery?

We provide more than just satellite data; we deliver comprehensive solutions tailored to your project's specific needs, ensuring you get actionable insights quickly and efficiently.

Expert Consultation

Our geospatial experts provide a free consultation to understand your needs and recommend the best acquisition parameters to ensure optimal results for your project.

Rapid Delivery

Leveraging our direct partnership and access to a vast 130+ satellite constellation, we offer fast turnaround times, delivering imagery in days, not weeks.

Seamless Integration

We deliver data in industry-standard formats (like GeoTIFF) compatible with your GIS, CAD, or modeling software, with a team ready to support your workflow.

LT-1 SAR Sample Imagery

Sample LT-1 SAR imagery showing an InSAR deformation map of critical infrastructure.
Example of a Digital Elevation Model (DEM) created from LT-1 SAR data over a cloudy region.

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Satellite Imagery Advisor

Brief questions. Practical guidance. Get an indicative estimate instantly, and we only proceed to a formal quote once the basics are clear.

Advisor mode: this form will recommend the lowest resolution and type that fits your objective so you do not overpay.
Step 1 — Area & Location
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Start simple: Upload a KML/KMZ/ZIP if you have it. If not, a bounding box or center plus dimensions works fine. We will calculate area for you where possible.
Upload AOI file (KML / KMZ / ZIP) — recommended
Preferred: a single polygon AOI. We compute the area automatically.
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Use min/max latitude and longitude.
Enter center coordinate + width & height
Good for quick feasibility when exact boundaries are not available.
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We will follow up to confirm an AOI boundary if needed.
Advisor note: If speed is the priority, we usually check archive first. If you need a specific date window or fresh capture, choose new tasking.
Archive imagery
Previously captured imagery, typically faster delivery.
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Satellite is tasked for your AOI; weather and availability can affect capture date.
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We will recommend the most feasible option based on area, timing, and objective.
Minimum order guidance
Archive imagery: typically 15 to 25 km²
New capture: typically 50 to 100 km²
Feasibility depends on satellite, location, and timing.
Pick a date window. We will advise what is realistic for your area and cloud conditions.
Resolution guidance: Higher resolution increases detail and cost. We will recommend the lowest resolution that meets your objective.
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Indicative Estimate

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  • Tasking: confirm window and issue order form or invoice
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Your satellite imagery request has been sent to admin@xrtechgroup.com. XRTech will review feasibility and send a formal quote within 24 hours. A free sample tile for your AOI is included in the quote response.