NRAO personal webpage for Paul Harden
VLA/EVLA FE Lab, X7142
National Radio Astronomy Observatory
The Very Large Array (VLA) radio telescope
| Built: 18 Aug 2009 |
Last update: 09 May 2011 |
pharden@nrao.edu |
EVLA Array photos
Various photos of the Very Large Array
The EVLA Today (2010 and beyond)
Photos of the Expanded VLA (EVLA) after 2010 completion.
All photos by Paul Harden.
Click on photos
to enlarge to 300dpi
Not much difference between the VLA and EVLA from the outside
EVLA Receivers
The new suite of 15K cryogenically cooled EVLA receivers
EVLA X-band
receiver
8-12 GHz
Suite of high-band receivers
(l-r) Ku, K, Q, Ka
12-52 GHz
Fiber optics entering the antenna (EVLA)
instead of circular waveguide (VLA)
Antenna Fiber Optic System
Antenna cable & fiber wrap
Fiber optics from the EVLA antennas
The Fiber Room - Control Building
Photo Gallery - Page 1
Photos of the EVLA
NAVIGATION
Page 2: Photos of the WIDAR Correlator
Inside the EVLA Antenna Vertex Room
Panoramic View - Left side Vertex Room
L-band receiver & equipment racks
Panoramic View - Right side Vertex Room
Digital samplers, S-band receiver & laptop table
The LO/IF rack (left) and Front End rack (right)
Ladder to receivers in
upper level
Eric C. using the Device Browser to monitor & control the EVLA electronics and run test scripts
Installing an EVLA L-band receiver
All EVLA receivers are installed in a similar manner
Raising the L-band receiver into the
antenna with the winch
Lifting 150-pound receiver to mounting
flange
Mounting receiver to feedhorn
Connecting vacuum line and electrical cabling
Connecting liquid helium cryogenic lines
Installed and cooling to 15K for observing
>>>more photos and info on the EVLA receivers, including internal build photos and details
