Wednesday, February 27, 2013

Landsat 8 bands

Landsat 8 data bands will differ from those of Landsat 5 or Landsat 7. Here are the new band designations (resolution of 30 meters unless otherwise noted):

  • Band 1 - Coastal aerosol (ultra-blue)
  • Band 2 - Blue
  • Band 3 - Green
  • Band 4 - Red
  • Band 5 - Near Infrared (NIR)
  • Band 6 - SWIR 1
  • Band 7 - SWIR 2
  • Band 8 - Panchromatic (15 meter resolution)
  • Band 9 - Cirrus
  • Band 10 - Thermal Infrared (TIRS) 1 (100 meter resolution)
  • Band 11 - Thermal Infrared (TIRS) 2 (100 meter resolution)
To view imagery in natural color, use band combination 4,3,2.
For color infrared, use combination 5,4,3.
For false color, use combinations 6,5,4; 7,6,4; or 7,5,3.

http://landsat.usgs.gov/L8_band_combos.php

Tuesday, February 5, 2013

Safaricom in Kenya

To activate data you need to download apn settings. Call ussd *544# and in options select 98 for more options.  Then select 10 for internet settings.  Your phone will download the apn settings. Send an SMS to 450 with the text "Balance" to get prepayed data balance.