The First Atmospheric Radio Occultation Profiles From a GPS Receiver in Geostationary Orbit

被引：2

作者：

Gleason, Scott ^{[1
]}

Cherniak, Iurii ^{[1
]}

Zakharenkova, Irina ^{[1
]}

Hunt, Doug ^{[1
]}

Sokolovskiy, Sergey ^{[1
]}

Freesland, Doug ^{[2
]}

Krimchansky, Alexander ^{[2
]}

McCorkel, Joel ^{[2
]}

Coulter, Liam ^{[3
]}

Ramsey, Graeme ^{[4
]}

Chapel, Jim ^{[4
]}

机构：

[1] Univ Corp Atmospher Res, COSMIC, Boulder, CO 80307 USA

[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[3] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA

[4] Lockheed Martin Corp, Denver, CO 80127 USA

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2022年 / 19卷

基金：

美国国家航空航天局;

关键词：

Global Positioning System; Receivers; Satellite broadcasting; Atmospheric measurements; Earth; Satellites; Clocks; Atmospheric sensing; geostationary; Geostationary Operational Environmental Satellites (GOES); Global Navigation Satellite System (GNSS); a global positioning system (GPS); ionosphere; radio occultation (RO); total electron content;

D O I：

10.1109/LGRS.2022.3185828

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

This letter will present the first radio occultation (RO) electron density profiles of Earth's atmosphere generated from a global positioning system (GPS) receiver in a geostationary orbit. The GPS receivers on the geostationary operational environmental satellites (GOES)-16 (R) and GOES-17 (S) satellites track GPS signals propagated through the Earth's atmosphere and can be used to estimate electron density profiles. RO profiles from geosynchronous orbit hold the potential to generate unique temporal and spatial atmospheric measurements complementary to those from the ground and low Earth orbit (LEO) space-based receivers, including limb observations of the upper atmosphere at altitudes above traditional low Earth-orbiting RO satellites. This letter will present details of the GOES satellite GPS receivers and the limitations and challenges in generating RO profiles with its current hardware and software configuration. Following, the temporal and geospatial coverage for each of the GOES satellites will be presented, quantifying the frequency and number of GPS signals tracked down to sufficiently low enough altitudes to provide useful atmospheric information. Next, the data processing required to generate excess phase and electron density profiles will be described and demonstrated using two examples of GOES profiles. Subsequently, these two example GOES RO profiles will be compared to and calibrated with an ionospheric model, compared with co-located profiles from the LEO constellation observing system for meteorology ionosphere and climate-2 (COSMIC-2) constellation and a ground-based ionosonde.

引用

页数：5

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