NOAA CLASS system
`#44 - Satellite Data with CLASS Part 1
`#45 - Satellite Data with CLASS Part 2
ftp
`#46 - Satellite Data with CLASS Part 3
`#47 - Satellite Data with CLASS Part 4
`#48 - Satellite Data with CLASS Part 5
add_feature
transform_point
`#49 - Satellite Data with CLASS Part 6
`#50 - Satellite Data with CLASS Part 7
`#51 - Satellite Data with CLASS Part 8
ctables