On Friday, 06 November 2015 from 8:00 a.m. to 5:00 p.m. (USA Mountain Time), our FTP services, which also includes automated data requests from services such as Polaris and the GLAS Subsetter, will be unavailable because of system maintenance. We apologize for any inconvenience this may cause you.
The spacing is every 0.25 degrees latitude and every 0.25 degrees longitude.
The resulting dimensions are x=1440 pixels, y = 361 pixels.
very light gray = pixel representing a digitized SIGRID point.
black = pixel representing a non-digitized point.