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Receivers

Schedule

With most of the receiver upgrades complete, the most important task still facing the EVLA project is installation of the 3-bit samplers which will enable observations of bandwidths of up to 8 GHz.

Figure 1 - An overview of EVLA band availability as a function of time. The L- band curve reflects the planned installation of Ortho Mode Transducers (OMTs), which will enable good polarization behavior outside the 'old' L-band range (1.25 - 1.75 GHz ).

Performance

P-Band Antenna/Receiver Status (until 03-2009)

L-Band Antenna/Receiver Status

S-Band Antenna/Receiver Status

C-Band Antenna/Receiver Status

X-Band Antenna/Receiver Status

K-Band Antenna/Receiver Status

Ka-Band Antenna/Receiver Status

Q-Band Antenna/Receiver Status

The NSF National Radio Astronomy Observatory and NSF Green Bank Observatory are facilities of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.

Founded in 1956, the NSF NRAO provides state-of-the-art radio telescope facilities for use by the international scientific community. NSF NRAO telescopes are open to all astronomers regardless of institutional or national affiliation. Observing time on NSF NRAO telescopes is available on a competitive basis to qualified scientists after evaluation of research proposals on the basis of scientific merit, the capability of the instruments to do the work, and the availability of the telescope during the requested time. NSF NRAO also provides both formal and informal programs in education and public outreach for teachers, students, the general public, and the media.

Schedule

Performance

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The NSF National Radio Astronomy Observatory and NSF Green Bank Observatory are facilities of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.