| Reflector
Diameter |
100 m |
| Aperture |
7,854 m² |
| Number of
Surface Elements (Panels) |
2,352 |
| Shape
Accuracy
of Surface |
< 0.5 mm |
| Focal
Length in
Prime Focus |
30 m |
| Secondary
Mirror Diameter
(Gregory-Reflector) |
6.5 m |
| Aperture
Stop |
|
| - in
Prime Focus |
f/0.3 |
| - in
Secondary
Focus |
f/3.85 |
| Angular
Resolution (Beam Width) |
|
| - at 21cm
wavelength (1.4 GHz) |
9.4' (arc minutes) |
| - at 3cm
wavelength (10 GHz) |
1.15' (arc minutes) |
| - at
3.5mm
wavelength (86 GHz) |
10" (arc seconds) |
| Azimuth
Track
Diameter |
64 m |
| Setting
Accuracy of Track |
+/- 0.25 mm |
| Azimuth
Range (North = 0° = 360°) |
34-500° |
| Maximum
Rotation Speed |
30°/min. |
Pointing Accuracy
|
|
- Blind Pointing
|
10"
|
-Repeatability
|
2"
|
| Power
Output of
the 16 Azimuth-Drives |
10.2 kW each |
| Radius of
Elevation Gear Track |
28 m |
| Elevation
Range |
from 7° to 94° |
|
during observations |
from 8.1° to 89° |
| Maximum
Tilt
Speed |
16°/min. |
| Power
Output of
the 4 Elevation-Drives |
17.5 kW each |
| Total
Weight |
3,200 t |
| Construction
Period |
1968-1971 |
| Height of
Track
above Sea Level |
319m |
| Commencement
of
Operation |
August 1st, 1972 |
| Constructed
by |
Arbeitsgemeinschaft KRUPP/MAN |
