The need for precise orbit determination (POD) has grown significantly due to the increased
amount of space-based activities taking place at an accelerating pace. Accurate POD …

The Drag Temperature Model (1978) has been improved to respond better to the actual
requirements of space geodesy, especially under extreme solar and geomagnetic …

The fifth edition of this textbook has been completely revised and significantly extended in
order to reflect the revolution of geodetic technologies, methods and applications during the …

Closely spaced satellite altimeter profiles collected during the Geosat Geodetic Mission (∼ 6
km) and the ERS 1 Geodetic Phase (8 km) are easily converted to grids of vertical gravity …

The NASA Goddard Space Flight Center (GSFC), the National Imagery and Map**
Agency (NIMA), and The Ohio State University (OSU) have collaborated to develop an …

Publisher Summary The basic concept of satellite altimetry is to measure the range from the
satellite to the sea surface. The altimeter transmits a short pulse of microwave radiation with …

Due to some unfortunate error this article appeared wrongly in The Geodesists Handbook
1992 (Bulletin Geodesique, 66, 2, 1992). Among several errors ah (polar distance) was …

TOPEX/POSEIDON is the first space mission specifically designed and conducted for
studying the circulation of the world's oceans. The mission is jointly conducted by the United …

Abstract The NASA Goddard Space Flight Center, the National Imagery and Map**
Agency (NIMA; formerly the Defense Map** Agency or DMA) and The Ohio State …

An improved Earth geopotential model, complete to spherical harmonic degree and order
70, has been determined by combining the Joint Gravity Model 1 (JGM 1) geopotential …