GPS radio occultation

GPS radio occultation

Used for weather forecasting as well as climate change monitoring. A radio signal from a geostationary GPS satellite (GEO) is sent to a low-earth orbit (LEO) satellite. The changes detected due to the occultation (interference) of particles determine the properties of the atmosphere.
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References in periodicals archive ?
A total of 150 scientists from 14 countries are participating in the fourth International Conference on GPS Radio Occultation, which opened Wednesday and lasts three days, according to the United Daily News.
Kursinski, "1DVAR analysis of temperature and humidity using GPS radio occultation refractivity data," Journal of Geophysical Research, vol.
Kuo et al., "Observational error estimation of FORMOSAT-3/COSMIC GPS radio occultation data," Monthly Weather Review, vol.
With an office in Glasgow, Spire will now have access to a strong base of talented engineers who are capable of solving some of today's most complex challenges in order to develop the next generation of GPS Radio Occultation technology.
GPS radio occultation reveals the signature of perturbed vertical diffusion physics while passive, bias-corrected remote sounders of upper tropospheric water vapor do not.
(20) In addition, novel GPS radio occultation (GPS RO) techniques (21) have been able to achieve measurement resolution and accuracy comparable to those of ground-based techniques such as the MU radar and balloon observations (radiosonde).
The company uses a method called GPS radio occultation that collects data on temperature, atmospheric pressure and humidity.
In this paper, a novel method to remotely sense the height of evaporation duct is proposed using ground-based GPS radio occultation signal power as the satellite rises or sets on the horizon.
Measurements from the campaign were compared with dropsonde data, and the results showed for the first time that atmospheric data probed using GPS radio occultation can be measured with such airborne GPS technology: during the campaign, GISMOS increased the number of available atmospheric profiles of tropical storm evolution by more than 50%.