Completed receiver
(internal)
Completed receiver and enclosure
Receiver powered on the test bench
Final bench tests before installation
Completed receiver installed
in the VLA antenna Apex
Building up the
receiver deck
& the LNAs
Adding
Voltage Regulator
Board
Completed Receiver Deck with main receiver PCB
Main Receiver Board
(prototype)
VRB - Voltage Regulator Board
(prototype)
IFB - Apex Interface Board & DIN rail brackets
(prototype)
Old 74 MHz Receiver
Formerly mounted in the Vertex Room
John M. working on the 74 MHz receiver
in the VLA antenna, Vertex Room
74 MHZ Receiver
Coaxial old style
74 MHZ Receiver
Newer PCB style
Legacy P-band Receivers
Legacy P-band Receivers with bandwidth filters bypassed
Legacy P-band Receiver with receiver deck visible
Completed receiver and enclosure
Completed receiver
(internal)
VRB - Voltage Regular Board
(inside receiver)
IFB - Apex Interface Bd.
(inside Vertex Room)
Production Build
LBR receiver decks
Production Build
The IFBs - Apex Interface Boards
Production Build
The VRBs - Voltage Regulator Boards
Page 1
NRAO/NRL Low Band Receivers
PHOTO GALLERY PAGES
Click photos to enlarge to 300 dpi
What's in the Photo Gallery?
The LBR and the VLA Antennas
Climbing to the Apex
Installing the LBR in the VLA Apex
Moving LBR Ant. 25 with the transporter
LWA-2 station at
end of VLA North arm
The "Erickson" legacy dipoles
74MHz Balun Boxes - old & new styles
The
Ellingson Modified J-poles (MJP)
The Ravi "Bazooka" experimental dipoles
Paul's VLA Photo Gallery
General photos of the VLA
and EVLA construction
|
Last update: 27 Mar 2015
|
pharden@nrao.edu |
Gallery Page:
