Radiomet

Radio-occultation sounder

Satellite

Meteor-M N2 and N3

Status

Being integrated – To be utilised in the period: 2009 to ~ 2015

Mission

Temperature/humidity sounding with highest vertical resolution, space weather

Instrument type

GPS receiver measuring the phase delay due to refraction during occultation between GPS and LEO

Scanning technique

Limb scanning from 830 km to close-to-surface by time sampling – Azimuth 90° fore- and aft-

Coverage/cycle

About 500 soundings/day – Average spacing 1000 km – Global coverage (300 km spacing) in 10 days

Resolution

300 km (horizontal), 0.5-1.0 km (vertical)

Resources

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