|
(722)
aircraft,
nasa er-2,
dc-8,
helicopter,
dhc-6...
|
|
(520)
maps,
aerial photographs,
stereographic photographs...
|
|
(231)
radiosondes,
balloons,
pibal,
sounding rockets,
dropwindsondes...
|
|
(1079)
models,
dem,
gcm...
|
|
(2995)
noaa poes (polar orbiting environmental satellites),
terra,
aqua,
landsat,
goes (geostationary operational environmental satellite)...
|
|
(42)
gps (global positioning system),
navstar,
glonass,
fedsat...
|
|
(3618)
ground-based observations,
ground stations,
weather stations/networks,
field surveys,
field investigation...
|
|
(82)
ace,
soho,
imp (interplanetary monitoring platform),
eos (earth observing system),
smm...
|
|
(1964)
ships,
buoys,
ocean platform/ocean stations,
moorings,
auvs...
|
|
(54)
space shuttle,
skylab,
gemini,
mir-priroda,
apollo...
|
|
(3)
orbiter,
flyby,
lander...
|
|
|