KOMPSAT-3

(0.7m)

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KOMPSAT-3 Satellite Sensor

(0.7m)

KOMPSAT-3 (Arirang-3) spacecraft was successfully launched on May 17, 2012, (16:39 UTC) from the Tanegashima Space Center of JAXA, Japan on the H-IIA launch system. Launch provider: Mitsubishi Heavy Industries, Ltd.

KOMPSAT-3 Satellite Sensor (0.7m)

KOMPSAT-3 is an optical high-resolution Korean observation mission of KARI (Korea Aerospace Research Institute). The project started in 2004. The objective is to provide observation continuity from the KOMPSAT-1 and KOMPSAT-2 missions to meet the nation’s need for high-resolution optical imagery required for GIS (Geographical Information Systems), and other environmental, agricultural, and global climate change applications.

The KOMPSAT-3 is 3-axis stabilized. The agile spacecraft features a body pointing capability of ±45o into any direction (cross-track or along-track). This satellite agility permits event monitoring as well as single-pass stereoscopic observations.

KOMPSAT-3 can provide sub-meter images with various imaging modes. It will continue to provide sub-meter imagery to domestic and international users for the applications of public safety, resource management, environmental monitoring, location-based services, intelligence, and disaster monitoring.

Sample Images

KOMPSAT-3 Satellite Image Gallery

Engineering and Construction

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For more information on any of our products and image processing services, please contact us for a complimentary consultation.

KOMPSAT-3 Satellite Sensor Specifications

Spectral bands

Panchromatic: 450-900 nm

Multispectral:
Blue: 450-520 nm
Green: 520-600 nm
Red: 630-690 nm
Near Infrared: 760-900 nm

Optics

– Korsch-type telescope design on a CFRP optical bench
– 80 cm diameter of primary mirror aperture (the mirror is lightweighted)
– All mirrors (5) are of Zerodur design
– Focal length = 8.6 m
– F number = f/12

GSD (Ground Sample Distance)

– 0.7 m for Panchromatic band at nadir
– 2.8 m for Multispectral bands at nadir

Swath width

15 km (at nadir)

Tilt angle

Roll: ±45o, pitch: ±30o

Location accuracy

< 48.5 m CE90

Pan CCD detector module

– Line array of 24,000 pixels consisting of 2 stacks of 12 k pixels each
– TDI (Time Delay Integration), up to 64 TDI in 4 stages
– Pixel pitch = 8.75 µm
– Source data rate = 16 x 15 Mpixel/s (or 3.84 Gbit/s)

MS CCD detector module

– Line array of 6,000 pixels, provision of 8 stacks, TDI capability
– Pixel pitch = 2 x 17.5 µm
– Binning of MS pixels (MS pixels are 4 times longer than Pan pixels)
– Source data rate = 4 x 240 Mbit/s

Antiblooming

Yes

PRNU (Photo Response Non-Uniformity)

Yes

DSNU (Dark Signal Non-Uniformity)

Yes

SNR (Signal-to-Noise Ratio)

> 100 for Panchromatic and Multispectral

Data quantization

14 bit

Data compression

CCSDS 120.1-G-1E

Payload data memory

512 Gbit

Data rate

1 GB/s

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FAQ’S

Frequently Asked Questions

How to find Geographic Coordinates in Google maps?

To find geographic coordinates in Google Maps, you can follow these steps:

Open Google Maps in your web browser or on your mobile device.
Search for the location you want to find the geographic coordinates for by entering the address, landmark, or name of the place in the search bar at the top of the page.
Once the location is displayed on the map, right-click (or long-press on mobile) the exact point on the map where you want to find the coordinates. This will open a small menu.
In the menu that appears, click on “What’s here?” or “What’s here? – Coordinates” option. On mobile devices, you may need to tap on the location marker first to reveal the menu options.
A small information box will appear at the bottom of the screen, displaying the latitude and longitude coordinates of the selected point. The coordinates will be shown in decimal degrees format.
You can click on the coordinates in the information box to expand it and see the coordinates in different formats, such as degrees, minutes, and seconds (DMS) or Universal Transverse Mercator (UTM) format.

How to Create a KML File in Google Earth?

To create a KML (Keyhole Markup Language) file in Google Earth, you can follow these steps:

Download Google Earth Pro and Open on your computer.
Navigate to the location or area you want to create a KML file for by using the search bar, zooming in/out, and panning on the map.
Customize the view and layers in Google Earth Pro to include the specific data or elements you want to include in your KML file. This can include placemarks, paths, polygons, overlays, images, and more.
Once you have set up the desired view and layers, go to the “Add” menu at the top of the screen and select the type of element you want to add (e.g., placemark, path, polygon, image overlay).
Follow the prompts to add the specific element and provide the necessary information, such as location coordinates, name, description, and any additional properties or styling options.
Repeat the previous step if you want to add more elements to your KML file.
After adding all the desired elements, go to the “File” menu and select “Save Place As.”
In the “Save Place As” dialog box, choose a location on your computer where you want to save the KML file.
Specify the name of the KML file, ensuring it has the .kml extension (e.g., myfile.kmL), you may need to select KML as GoogleEarth defaults to KMZ formats.
Click the “Save” button to save the KMZ file to the specified location on your computer.

How To Order Commercial Satellite Maps?

Ordering commercial high-resolution and medium-resolution satellite maps process:

Identify your requirements: Determine the specific needs for the satellite maps, including the desired resolution, geographic coverage, acquisition date, and any additional specifications such as spectral bands or cloud cover constraints.
Contact Us: Reach out to us to inquire about our imaging product and services. Provide us with the details of your requirements, including the area of interest, resolution, and any other specifications.
If there is high urgency for imagery, please let us know that this is a time sensitive project. Any project deadlines should be included with your initial contact.
Request a quote: Ask for a formal quote for the satellite maps you need. The quote should include information such as the cost, delivery timeline, licensing terms, and any additional services like data processing or analysis.
Review the quote: Evaluate the quote provided by us and if needed, we can negotiate the terms, pricing, or any specific requirements that may not be fully covered.
Confirm the order: Once you are satisfied with the quote and have reached an agreement, confirm your order. We will guide you through the necessary steps for payment and delivery.
Receive the satellite maps: After the order is confirmed and payment is processed, you will receive the satellite map data in the specified format. This may include downloading the data from a secure portal or receiving physical media, depending on delivery method.
Utilize the satellite maps: With the satellite maps that you receive, you can utilize it for your intended purposes, such as GIS data, 3D terrain maps, disaster, geospatial data, and other applications as needed.

What Are Satellite Imagery Raw Files?

Satellite map raw files refer to the unprocessed and unedited data captured by satellite sensors. These files contain the raw data received by the satellite sensors, including the reflected or emitted electromagnetic radiation from the Earth’s surface.

Satellite map raw files typically come in specialized formats specific to each satellite sensor or provider. These formats may include formats like GeoTIFF (georeferenced Tagged Image File Format) or ENVI (Environment for Visualizing Images). The raw files preserve the original sensor readings, which can include various spectral bands, radiometric information, and geometric parameters.

Raw files require processing to convert them into usable formats, such as georeferenced images or digital elevation model(DEM). Processing steps may involve radiometric and geometric corrections, atmospheric compensation, calibration, orthorectification, and mosaicking, among others.

Once processed, raw files can provide valuable information for various GIS data applications, including 3D terrain maps, agriculture production maps, vegetation maps, and disaster maps.

How To Download Satellite Maps in FTP

To download satellite maps from an FTP (File Transfer Protocol) server, you can follow these general steps:

Obtain the FTP server information: Get the FTP server details from the satellite maps provider or the source you are accessing. This includes the FTP server address, username, password, and potentially the directory path to the imagery files.
Choose an FTP client: Select an FTP client software or application that allows you to connect to the FTP server and perform file transfers. Some popular options include FileZilla, WinSCP, Cyberduck, or the built-in FTP functionality of certain web browsers.
If you are unable to download an FTP client due to software locks, Windows has a built in FTP Protocol that can be accessed by copying the URL of the FTP server in your Windows File Explorer.
Depending on the method to connect to the FTP, you will need credentials including a Username and Password to access these file.
Most FTP clients will allow you to Copy and Paste or Drag and Drop the files from the client window to your local files.

Remember to comply with any terms and conditions associated with the satellite map data, including usage restrictions, licensing agreements, and any attribution requirements specified by the provider.

For any other questions or for a consultation, please contact us.

KOMPSAT-3

KOMPSAT-3 Satellite Sensor

(0.7m)

KOMPSAT-3 Satellite Image Gallery

KOMPSAT-3 Satellite Sensor Specifications

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Frequently Asked Questions