Table 8.46 -- ECs in the SPACE group
EC labels
ASTRONOMICAL_STATION
IONOSPHERE
IONOSPHERE_ELECTRON_DENSITY
IONOSPHERE_SCINTILLATION
MAGNETOSPHERE
MAGNETOSPHERE_PLASMA
OBSERVATORY
SATELLITE_GROUND_STATION
SOLAR_BURST_RF_EMISSION
SOLAR_ENERGETIC_PARTICLE
SOLAR_FLUX_RF_EMISSION
SOLAR_WIND
SPACE
SPACE_PORT
SUN
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