Specifications

Page 5 of 54
3. Observatory Characteristics
3.1. Location
Mopra is located in the foothills of Siding Spring, near Coonabarabran in rural
New South Wales, Australia.
Latitude
Longitude
Altitude
S 31° 16’ 04”
E 149° 05’ 59”
866m
S 31.2678
E 149.0997
866m
Table 1 Observatory position
3.2. System Characteristics
Parameter
Value
Comment
Global pointing model
8.3”
rms model error in fz
13.0”
rms model error in fx
Global fx
-197.5
Derived October 2008
Global fz
10.1
Derived October 2008
Table 2 Pointing parameters
Band
Frequency
Comment
3mm
77 – 116 GHz
7mm
30 – 50 GHz
Due to LO chain tuning limitations,
the center frequency cannot be
within 38 – 44 GHz
12mm
16 – 27 GHz
Table 3 Tuning and center frequency limitations
Band / Mode
BW
Resolution
Comment
12mm Broadband
112050 km/s
3.38 km/s
BW for one entire IF
12mm Zoom mode
1863 km/s
0.41 km/s
BW per window
7mm Broadband
56025 km/s
1.69 km/s
BW for one entire IF
7mm Zoom mode
932 km/s
0.21 km/s
BW per window
3mm Broadband
30378 km/s
0.915 km/s
BW for one entire IF
3mm Zoom mode
505 km/s
0.11 km/s
BW per window
Table 4 MOPS spectral resolution in all bands
Band
Beam width
FWHM
Average good weather Tsys
12mm @ 24 GHz
119”
~ 70K