AOPOD

Atmosphere Occultation and Precision Orbit Determination

Satellites

KOMPSAT-5

Status

Close to launch - To be utilised in the period: 2011 to ~ 2016

Mission

Temperature/humidity sounding with highest vertical resolution, space weather

Instrument type

GNSS radio-occultation receiver - Measuring the phase delay due to refraction during occultation between GPS and LEO

Scanning technique

Limb scanning from 700 km to close-to-surface by time sampling – Azimuth: 90° sectors fore- and aft-

Coverage/cycle

About 600 soundings/day - Average spacing 1000 km - Global coverage (300 km spacing) in 10 days

Resolution

About 300 km horizontal, 0.5 km vertical

Resources

Mass: 5  kg  -  Power: 22 W  -  Data rate: …… kbps