Citation
Abstract
In projected very-long baseline interferometry (VLBI) work a reference point for 64-m antennas is the intersection of the elevation and azimuth axes. This report describes a minimum-level effort at DSS 14 to determine the magnitude of the effect of diurnal changes in the temperature of the alidade legs on the height of the elevation axis. The thermal expansion between the lowest recorded temperature —3°C (27°F) and the highest, 36°C (97°F), over the period covered was 8.9 mm (0.35 in.).
Details
- Volume
- 42-36
- Published
- December 15, 1976
- Pages
- 41–44
- File Size
- 526.1 KB