RT Journal Article
SR Electronic
T1 Commercial GNSS Radio Occultation on Aerial Platforms With Off-The-Shelf Receivers
JF NAVIGATION: Journal of the Institute of Navigation
JO NAVIGATION
FD Institute of Navigation
SP navi.544
DO 10.33012/navi.544
VO 69
IS 4
A1 Bryan C. Chan
A1 Ashish Goel
A1 Jonathan Kosh
A1 Tyler G. R. Reid
A1 Corey R. Snyder
A1 Paul M. Tarantino
A1 Saraswati Soedarmadji
A1 Widyadewi Soedarmadji
A1 Kevin Nelson
A1 Feiqin Xie,
A1 Michael Vergalla
YR 2022
UL https://navi.ion.org/content/69/4/navi.544.abstract
AB In recent decades, GNSS radio occultation (RO) soundings have proven to be an invaluable input to global weather forecasting. The success of government programs such as COSMIC is now complemented by commercial low-cost cubesats. The result is access to more than 10,000 soundings per day. We examine aerial platforms for commercial GNSS-RO, specifically high-altitude balloons and commercial aviation. Meteorological balloons (radiosondes) are deployed daily in over 900 locations globally. Adding GNSS-RO capability to radiosondes would expand capability and enable local area monitoring. Commercial aviation offers scale with more than 100,000 flights daily. A barrier to entry for the inclusion of GNSS-RO sensors is cost and complexity, as GNSS-RO traditionally requires highly specialized equipment. This paper describes a low-cost and scalable approach to aerial GNSS-RO based on commercial-off-the-shelf (COTS) GNSS receivers. We present hardware prototypes and data processing techniques that demonstrate technical feasibility through the results from several flight testing campaigns.