Citation
Abstract
A water vapor radiometer (WVR) has been developed which measures the atmospheric noise temperature at two different frequencies. These noise temperatures are used in empirical-theoretical equations which yield tropospheric range delay, in centimeters, through the atmosphere along the beam of the WVR. This range correction is then applied, as needed, to measurements concerning spacecraft range and to VLBI baseline determinations. The results of the March 1976 Pt. Mugu tests are given and equipment modifications and JPL tests since that time are discussed.
Details
- Volume
- 42-40
- Published
- August 15, 1977
- Pages
- 71–75
- File Size
- 992.9 KB