Monthly Conditions at EVLA

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The following plots show the fraction of time that was most suitable for observing in each EVLA band for the one-year period September 2010 - August 2011, according to the measured wind speed and API phase rms (opacity is not included). Click any plot to enlarge it. The simultaneous requirements for wind speed and API phase rms used to create these plots correspond to the current table of values in the OPT:

Band: 4, P, L S C X Ku K Ka Q
API (deg) any <60 <45 <30 <15 <10 <7 <5
wind (m/s) any any any <15 <10 <7 <6 <5

See also the monthly plots of API rms phase vs LST

Return to the High Frequency observing guide

January February March
Rx January2011.png
Rx February2011.png
Rx March2011.png
April May June
Rx April2011.png
Rx May2011.png
Rx June2011.png
July August September
Rx July2011.png
Rx August2011.png
Rx September2010.png
October November December
Rx October2010.png
Rx November2010.png
Rx December2010.png