 |
(309)
aircraft,
nasa er-2,
dc-8,
helicopter,
dhc-6...
|
|
(68)
maps,
aerial photographs...
|
|
(48)
radiosondes,
balloons,
sounding rockets,
dropwindsondes...
|
|
(193)
models,
dem,
gcm...
|
|
(1594)
noaa poes (polar orbiting environmental satellites),
terra,
aqua,
landsat,
goes (geostationary operational environmental satellite)...
|
|
(4)
gps (global positioning system),
glonass...
|
|
(726)
ground-based observations,
ground stations,
weather stations/networks,
field surveys,
field investigation...
|
|
(57)
ace,
soho,
imp (interplanetary monitoring platform),
eos (earth observing system),
smm...
|
|
(50)
ships,
buoys,
ocean platform/ocean stations,
moorings,
floats...
|
|
(28)
space shuttle,
skylab,
gemini,
apollo,
osta-1...
|
|
(1)
orbiter,
flyby...
|
|
|
