Telescope and Receiver
Name
Telescope
Band
Back End
Comments
EVLA
4 (73.0MHz - 74.5MHz)
P (300.0MHz - 340.5MHz)
L (1.2GHz - 2.0GHz)
S (2.0GHz - 4.0GHz)
C (4.0GHz - 8.0GHz)
X (8.0GHz - 12.0GHz)
Ku (12.0GHz - 18.0GHz)
K (18.0GHz - 26.5GHz)
Ka (26.5GHz - 40.0GHz)
Q (40.0GHz - 50.0GHz)
WIDAR Correlator
Correlator Settings
Polarization Mode:
Full Polarization
Dual Polarization
Sampler Outputs:
A0/C0
B0/D0
Polarization Products:
LL,RR
LR,RL
In full polarization mode all outputs and products are combined.
Integration Time:
Frequency
A0/C0:
Sky
Rest
B0/D0:
Sky
Rest
Separate tuning is only available in full polarization mode.
Bandwidth Settings
Table 1: Correlator capabilities per sub-band for full-polarization continuum applications and spectro-polarimetry
Sub-band BW (MHz)
Number of poln. products
Number of channels/poln product
Channel width (kHz)
Channel width (km/s at 1 GHz)
Total velocity coverage per sub-band (km/s at 1 GHz)
128
4
64
2000
600/ν(GHz)
38,400/ν(GHz)
64
4
64
1000
300
19,200
32
4
64
500
150
9,600
16
4
64
250
75
4,800
8
4
64
125
37.5
2,400
4
4
64
62.5
19
1,200
2
4
64
31.25
9.4
600
1
4
64
15.625
4.7
300
0.5
4
64
7.813
2.3
150
0.25
4
64
3.906
1.2
75
0.125
4
64
1.953
0.59
37.5
0.0625
4
64
0.977
0.29
18.75
0.03125
4
64
0.488
0.15
9.375
Table 2: Correlator capabilities for spectral line applications, dual polarization
Sub-band BW (MHz)
Number of poln. products
Number of channels/poln product
Channel width (kHz)
Channel width (km/s at 1 GHz)
Total velocity coverage (km/s at 1 GHz)
128
2
256
500
150/ν(GHz)
38,400/ν(GHz)
64
2
256
250
75
19,200
32
2
256
125
37.5
9,600
16
2
256
62.5
19
4,800
8
2
256
31.25
9.4
2,400
4
2
256
15.625
4.7
1,200
2
2
256
7.813
2.3
600
1
2
256
3.906
1.2
300
0.5
2
256
1.953
0.59
150
0.25
2
256
0.977
0.29
75
0.125
2
256
0.488
0.15
37.5
0.0625
2
256
0.244
0.073
18.75
0.03125
2
256
0.122
0.037
9.375