Trimble DSS 439
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The Trimble Digital Sensor System (DSS) 439 is a complete end-to-end solution for producing highly accurate, high-resolution color and CIR digital orthophotos and orthomosaics.

The system uses a 39-megapixel, metric, medium-format camera, GNSS-aided inertial technology, flight management system, and complete software workflow to generate ortho and stereo products for fast and efficient mapping. User-interchangeable lenses (40mm, 60mm, 250mm) allow flexibility in flying height and field of view, along with RGB and CIR configurations. DSS is certified as mapping-grade by the USGS.

Key Features:

  • Simple to use, yet highly accurate: Rugged system architecture is shock, vibration and pressure tested—perfect for airborne environment
  • Mapping grade camera: USGS certified, calibrated, stable over time
  • Direct georeferencing: AT (Aerial Triangulation) not required
  • Choice of Inertial Measurement Units (IMUs)
  • Professional installation, crew training, and 2 years of ongoing customer support included with every system
  • Flexibility: Custom lenses and lens-mount configuration allows for easy removal and replacement, in flight, without recalibrating
  • Modular, expandable, customizable system. Can be flown with:
    • Dual cameras for greater productivity
    • Simultaneous CIR/NIR, or VIS/Hyperspectral
    • Laser scanner
    • Oblique camera
    • Rapid ortho development
  • Pilot controlled operation: Built-in automated Flight Management System (FMS)
  • Quick data turnaround: End-to-end digital processing and direct data import into photogrammetric and GIS systems

System Components:

Trimble DSS integrates all the hardware and software components required for aerial imaging with high accuracy, reliability, and ease-of use. A typical configuration includes:

  1. Applanix POSTrack touch screen: allows users to pre-plan flight paths and reduce flight times to fly missions
  2. Camera: mapping grade quality; USGS certified; Camera Sensor Head (CSH) has fully calibrated camera/digital back/exoskeleton assembly
  3. Inertial Measurement Unit (IMU)
  4. Azimuth Mount: single axis, automatically controlled mount; 3-axis stabilized mount also available with built-in Inertial Measurement Unit
  5. Flight Management System: integrated Applanix POSTrack Flight Management System (FMS)
  6. Data Storage Unit (DSU): removable, pressurized and temperature - controlled ruggedized disk drive; 7000 image capacity per drive (2 supplied, 500 GB each)
  7. Camera Computer System (CCS): electronically guides all assets for airborne environment
  8. Applanix POS AV Direct Georeferencing System: specifically designed for direct georeferencing of airborne sensor data
  9. Power Distribution Unit (PDU): controls power to all systems and provides an LED display to the operator
  10. Trimble INPHO software: high processing speed and automation in orthophoto and mosaic production, DEM extraction, and seamlessly integrated with the Trimble DSS workflow
  11. Applanix POSPac MMS software: post-processing software bundle; includes mission planning software, carrier phase DGPS processing, integrated GNSS+Inertial processing, photogrammetry tools for EO generation, IMU boresight calibration and quality control, Trimble DSS tools for mission management and image development
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