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Japanese GMS/GOES9/MTSAT Data Archive for Research and Education Please take care of the other users and our server following this Download Instruction if you are going to download a big amount of data. Warning: Please do NOT use 'FAST' downloaders. Download only one file at a time. You may get down the server's performance seriously. This is a public server and not your own. Note that we may DO prohibit accessing the data with those 'fast' downloaders. We also deny access from silly downloaders which access 'GMS500010125IR1.pgm.gz', '..26IR1.pgm.gz', '..27IR1.pgm.gz', ... :- Important: You need to apply corrections for the infrared brightness temperature derived from the IR channel data and calibration tables, for the earliest period of GMS-5 observation (June 1995 to November 1996). (note added on Jan 19, 2001) The image data provided by Weather Home, Kochi University can be freely used for academic research and school education purposes. The front page provides the latest data, while the past data is archived whenever possible. Both the latest and the archived data can be utilized for your research and educational programs although the data is available 'as is' basis only. (Here is a HINT for analyzing the data. added 1999/11/12) The list of archive directories and data descriptions follow; Geo-coordinate mapped data for almost ALL area GMS/MTSAT covers. N70 - S70, E70 - W150. 1/4 degree resolution. 560 x 560 pixels. PGM (Portable Gray Map) format with Gzip compression. Geo-coordinate mapped data for GAME research area. N70 - S20, E70 - E160. 1/20 degree resolution. 1800 x 1800 pixels. PGM (Portable Gray Map) format with Gzip compression. Geo-coordinate mapped data for Japan and surrounding area. Visible channel data only. N50 - N20, E120 - E150. 1/100 degree resolution. 3000 x 3000 pixels. PGM (Portable Gray Map) format with Gzip compression. (Pseudo) Visible image of Japan and Far East area. Discontinued since 2005/07. Water vapor image of Japan area. Since 1998/01/19. Visible image of Japan. Geo-coordinate mapped. N46 - N30, E130 - E146. Available only on daytime (8 - 16JST). JPEG and PGM format. Since 1998/01/10. Discontinued since 2005/07. Thermal infrared image of Japan area. Polar stereo mapping. 640 x 480. PGM with Gzip. Since 1996/09/04. Archive of Weather image of Japan. 640 x 480. JPEG format. Since 1996/09/04. South East Asia (+Pacific) area image. 640 x 480. JPEG format. Since 1997/08/04. Calibration tables to convert the pixel values into brightness temperature (IR channels) or albedo (VIS). Note that MTSAT-1R VIS data is calibrated with 0:=0% and 255:=100% (albedo) and can be linearly interpolated. GMS quicklook. Global composit image. Discontinued since 2005/08. Antarctic composit image. Discontinued since 2005/08. Download Instruction Use GNU Wget. You must hack /usr/local/etc/wgetrc ( or ~/.wgetrc ) as robots = off, because we set /sat directory unsearchable in /robots.txt. Command Example $ wget -m -np -nH --cut-dir=1 --wait=3 \ http://weather.is.kochi-u.ac.jp/sat/gms.fareast/1996/09/ You must NOT invoke multiple wget simultaneously. You should pinpoint the URL exactly what you need to download. Invoking bulk targeted script will result in a serious waste of bandwidth. Watch our server statistics while downloading. We banned following naughty applications and users An SNS widget application which made abnormally high access to SE/00Latest.jpg. The application provider should establish his own cache server for this purpose and get the image only once an hour. Also, he should include proper credit to our site in his application. A user who made a utility program to get our archive data repeatedly. Such an application should keep its cache to store the data once retrieved. A user who requested a single 00Latest.jpg file every once in a ten seconds. Although the request was in conditional, 10sec is way too short. You should at least wait 5 min to check new data availability.