Banner Image

Step-by-Step Instructions for Ordering Data from the EOS Data Gateway (EDG)

  1. If you are reading this from paper, then:
    • Go to your computer and bring up your web browser (e.g., Netscape, Internet Explorer).
    • Type in the URL: http://eos.nasa.gov/imswelcome
    • Continue with #3 below.
  2. If you are viewing this from the CD, then:
    • Use the Menu Bar at the top of this page to go to the Data page.
    • Click on the How to find & order Earth-observing instrument data link near the bottom of the page.
    • In the text below Obtaining Earth-observing Instrument data, open the link to the EDG.
  3. At the EOS Data Gateway page, Enter as a guest (or as a registered user if you have registered earlier).
  4. Wait for the EDG Primary Data Search page to display.
  5. If you have the image scene ID, from information in this CD, or from any other source, then:
    • As appropriate, select either Local Granule ID or Data Granule ID from the Search Types Menu on the far left.
    • Wait for the EDG Data Granule ID Search page to display.
    • Click on the Data Set button to choose the appropriate data set:
      • Wait for the EDG Keyword Selection: Data Set page to display.
      • If appropriate, choose and apply the Filters for the Data Set. These are usually the places that supply the data to the public.
      • From either Data Set List #1, #2, or #3, choose the data set(s),
      • e.g., Landsat-7 Level-0R WRS Scene V002 and Landsat-7 Level-1 WRS Scene V002. (Use the shift key to choose two or more adjacent data types.)
      • Click on the OK! button at the bottom of the EDG page.
    • When the EDG Data Granule ID Search page displays, note that the Data Set has been chosen.
    • Type or paste in the ID (It usually starts with SC:).
    • Continue with #7 below.
  6. If you have the geographic coordinates, or know the map location, then:
    • Under Choose Search Keywords -- Method 2 , choose SENSOR in the scroll box and click on the SELECT button.
      • On the new page, Keyword Selection: Sensor, under Filters for Sensor:, select INFRARED SENSORS in the scroll box, and then click on the Apply button.
      • When the Keyword Selection: Sensor page redisplays, from the sensor list select one instrument (e.g., MISR or MODIS), and then click on the OK! button at the bottom of the EDG page.
    • When the EDG Primary Data Search page displays, note that the sensor has been chosen.
    • Choose the Search Area. You can draw on the map, or type in the numbers for a range in Latitude and Longitude. For the Mount Oyama Eruptions data used on this CD-ROM, do the latter (A minus sign is needed for coordinates south of the Equator or west of Greenwich.):
      • Use the mouse to select the Northern data entry box and type in 35.0.
      • Use the mouse to select the Southern data entry box and type in 33.0.
      • Use the mouse to select the Western data entry box and type in 141.0.
      • Use the mouse to select the Eastern data entry box and type in 139.0.
    • Now click on the Display lat/ong range on map button. You should see a small red square on the south-eastern side of Japan. If not, double check the numbers that you typed in.
    • Optional - Choose a Date/Time Range. For the Mount Oyama Eruptions data used on this CD-ROM, select the Start Date data entry box and type in 2000-07-14, then select the Stop Date box and type in 2000-08-31 [time not needed].
  7. Now click on the Start Search! button near the bottom of the EDG page.
  8. Wait for the search to finish! The information in the EDG Search in progress page will keep you informed.
  9. If the search completes with zero results, check the Data Center Comments for each DAAC. You may have to rerun the search at a different time.
  10. If the search is successful and results are being returned, you can wait for the end of the search, or you can click on the END SEARCH NOW link. Doing the latter will bring up a Stopping search ... page.
  11. When the search ends, the EDG displays the Results: Data Set: Listing page:
    • Link to a Help page is provided.
    • The page provides you with information on up to 10 data sets at a time.
    • You can see a different set using the number range boxes at the bottom of the page.
    • Each option box provides information about one or more data sets.
    • To list or add granules, you first select a data set by clicking in the small toggle box (a check mark will appear). Then click on the List Data Granules box.
      • The EDG Results: Granule: Listing page provides access to information about each granule.
      • The page provides you with information on up to 10 granules at a time.
      • You can see a different set using the number range boxes at the bottom of the page.
      • Each option box provides information about that granule.
      • To see the granule on a map, you first select a granule by clicking in the small toggle box (a check mark will appear). Then click on the Show map coverage box. (For details, select zoom to 8x and Redraw Map.) Multiple granules may be selected.
      • If it is active, you can click on the View Image box to see the browse image.
      • Select and read the documents to aid in your granule selection process.
      • Each time that you find a granule that matches your criteria, click on the Add.. box to add this granule to your "shopping cart."
    • The link to produce a Text only version works for all data sets; you can clip the results into a word processor or a spreadsheet.
  12. Before you can order data, you may be required to read and accept the terms of the Data Quality Summary statement.
  13. The EDG Shopping Cart: page allows you to chose ordering options, or to remove any or all items.
  14. Various order information and confirmation pages will be displayed and input requested.
  15. Email messages will be sent:
    • confirming the order
    • confirming the shipping, or giving the download directions.

Top of Page