3 items found · NRAO/AUI Archives

3 items found

Start Date:1987-07-10 Location:Charlottesville, VA People:Garland, James Crawford, Marshall Morris, Greg Escoffier, Ray Kellermann, Kenneth I. Thompson, Richard Dowd, Andrew Taylor, Garnett Pospieszalski, Marian Luckado, Lucky Wireman, Bill Johnson, Francoise Horner, Neil, Jr. Thach, Karen Dillon, Matt Weinreb, Sander Liu, Z.-Y. Harris, Ron Bailey, Nancyjane Shepherd, Amy Spaulding, Gene	Creator:Records of the NRAO Series:Photographs Series Unit:Employees Unit Type:Still Image Subject:Employees Instruments--Very Long Baseline Array (VLBA)	Description:Initial construction funding for the VLBA was received in May 1985. Charlottesville staff working on VLBA gather on the front steps of the Central Development Lab's Ivy Rd. building on 10 July 1987. Left to right - far back: James Garland, Marshall Crawford, Greg Morris; second back: Ray Escoffier, Ken Kellermann, Dick Thompson, unidentified UVA student, Andrew Dowd, Garnett Taylor; middle: Marian Pospieszalski, Lucky Luckado, Bill Wireman, Francoise Johnson, Neil Horner, Karen Thach, Matt Dillon; front: unidentified UVA student, Sandy Weinreb, Z.-Y. Liu, Ron Harris, Nancyjane Bailey, Amy Shepherd, Gene Spaulding. [show more]

Start Date:1983-08 Location:Charlottesville, VA People:Pan, Shing Kuo Horner, Neil, Jr.	Creator:Records of the NRAO Series:Photographs Series Unit:Electronics, Computers and Equipment Unit Type:Still Image Subject:Facilities--Charlottesville, Virginia Electronics	Description:Shing Kuo Pan and Neil Horner in Charlottesville's Central Development Laboratory in August 1983, testing a Superconductor-Insulator-Superconductor (SIS) millimeter-wave mixer for the Tucson 12-m telescope. They are in front of the mixer test setup checking the I-V (current-voltage) curve of the SIS mixer on the oscilloscope. At the low-left corner is the square aluminum mixer test dewar. The mixer dewar is cooled by a 4K closed-cycle, JT/1020 refrigerator. On one side of the dewar, above the green tray at the low-left corner, is the dewar vacuum window (white, circular). On the other side (facing toward Pan and Horner) are three bias/monitor ports. [show more]

Start Date:2011-09-23 Location:Charlottesville, VA People:Broadwell, Chuck Horner, Neil, Jr.	Creator:Records of the NRAO Series:Photographs Series Unit:MMA/ALMA Unit Subunit:Charlottesville Correlator Lab Subunit Type:Still Image Original Format of Digital Item:Digital photograph Subject:Electronics--Correlator	Description:Chuck Broadwell and Neil Horner in the NTC Correlator Lab.