[NRAO logo]
NRAO logo  


[NRAO dedication, 1957]
NRAO dedication, 1957. NRAO/AUI image


[Dedication of the 85 foot Tatel telescope]
85 foot Tatel Telescope dedication, 1958. NRAO/AUI image


[85 foot Tatel telescope]
85 foot Tatel Telescope. NRAO/AUI image


[Struve at groundbreaking for 300 foot telescope]
Struve at 300 foot ground breaking, 1961. NRAO/AUI image


[300 foot telescope]
300 foot telescope. NRAO/AUI image


[140 Foot telescope ground breaking]
140 foot telescope ground breaking, 1958. NRAO/AUI image


[NRAO 140 Foot telescope]
NRAO 140 Foot telescope. NRAO/AUI image


[Green Bank Interferometer]
Green Bank Interferometer. NRAO/AUI image


[VLA dedication]
VLA dedication, 1980. NRAO/AUI image


[VLA]
VLA. NRAO/AUI image


[AIPS logo]
AIPS logo. NRAO/AUI image


[VLBA Pie Town antenna]
VLBA Pie Town antenna. NRAO/AUI image


[300 foot telescope after 1988 collapse]
300 foot after collapse, 1988. NRAO/AUI image


[GBT ground breaking]
GBT ground breaking, 1991. NRAO/AUI image


[Green Bank Telescope]
Green Bank Telescope. NRAO/AUI image


[Christening block at ALMA Camp ground breaking]
Alma Camp ground breaking. NRAO/AUI image


[ALMA]
ALMA. NRAO/AUI image


[4 NRAO Directors]
Lo, Vanden Bout, Roberts, Heeschen - 4 NRAO Directors at 50th anniversary. NRAO/AUI image


NATIONAL RADIO ASTRONOMY OBSERVATORY ARCHIVES

Records of the National Radio Astronomy Observatory: Folder listing

Green Bank Interferometer Unit


Title85-2 - Specifications for an 85-ft Polar Mounted Radio Telescope
Start Date3/28/1963
End Date4/8/1963
Notes1 folder
 [Range 3A Box 1]

Title85-2 - Call for Proposals
Start Date3/1963
End Date5/1963
Notes1 folder.
 [Range 3A Box 1]

Title85-2 - Antenna Systems Proposal
Start Date5/1963
Notes1 folder.
 [Range 3A Box 1]

Title85-2 - Blaw-Knox Company
Start Date3/28/1963
End Date11/11/1963
Notes1 folder.
 [Range 3A Box 1]

Title85-2 - Kennedy Proposal
Start Date1958
End Date1963
 [Range 3A Box 1]

Title85-2 - Rohr Corporation Proposal
Start Date5/6/1963
Notes3 folders
 [Range 3A Box 1]

Title85-2 - Contracts
Start Date5/17/1963
End Date4/1/1965
Notes1 folder. Correspondence re: 85' interferometer contract
 [Range 3A Box 1]

Title85-3 - NRAO Specifications
Start Date1965
Notes1 folder.
 [Range 3A Box 2]

Title85-3 - Blaw-Knox Company
Start Date7/15/1965
End Date5/2/1969
Notes1 folder. Estimates, proposals, correspondence
 [Range 3A Box 2]

Title85-3 - Rohr Package
Start Date1965
Notes1 folder. Estimates, proposals, correspondence
 [Range 3A Box 2]

TitleAirborne Instruments Laboratory: Parametric Amplifier
Start Date2/23/1966
End Date3/19/1966
Notes1 folder. Correspondence, memos, proposals
 [Range 3A Box 2]

AuthorDavid E. Hogg
TitleAnalysis of errors in interferometric data
Start Date5/1969
 [Range 3A Box 2]

AuthorJoe W. Waters
TitleAnalysis of water vapor data from the Green Bank Interferometer
Start Date8/31/1970
NotesProgress Report no. 1
 [Range 3A Box 2]

AuthorJoe W. Waters
TitleAnalysis of water vapor data from the Green Bank Interferometer
Start Date10/11/1971
NotesProgress Report no. 2
 [Range 3A Box 2]

TitleAntenna Feeds
Start Date5/21/1968
End Date1/10/1969
Notes1 folder. Correspondence; RFP for interferometer antenna feeds; proposal from Sperry: Interferometer Antenna Feed, 6/1968; proposal from TRG: Dual Frequency Dual Polarized Feeds for the Green Bank Interferometer, 6/21/1968
 [Range 3A Box 2]

TitleArray Development Program
Start Date3/25/1969
Notes1 folder. Correspondence; plans for development
 [Range 3A Box 2]

TitleBlaw-Knox 85-1 Feed supports
Start Date10/1965
End Date11/1965
Notes1 folder
 [Range 3A Box 2]

TitleBudget
Start Date2/18/1963
End Date8/4/1965
Notes1 folder
 [Range 3A Box 2]

TitleComputer Controlled Drive System
Start Date1965
Notes1 folder
 [Range 3A Box 2]

TitleComputer Requirements
Start Date5/27/1965
End Date6/20/1966
Notes1 folder. Correspondence; specifications
 [Range 3A Box 2]

TitleControl Building
Start Date4/7/1965
End Date5/19/1967
Notes3 folders. Correspondence, photos; "Chronological Notes on Proposed Interferometer Control Building;" "Technical Specifications for Construction of Interferometer Control Building at Green Bank, WV June 24, 1965"
 [Range 3A Box 3]

TitleConversion of 85-3 to a VLBI or VLBA antenna
Start Date1980
End Date1984
Notes1 folder
 [Range 3A Box 3]

TitleCorrespondence
Start Date1996
End Date2000
Notes1 folder
 [Range 3A Box 3]

AuthorNigel J. Keen
TitleDesign Considerations for the NRAO Interferometer
Start Date1963
Notes1 folder. Includes Keen report and other materials
 [Range 3A Box 3]

TitleDigital Delay System Installation
Start Date10/5/1976
End Date10/15/1976
Notes1 folder. Correspondence, memos, computer printouts, notes
 [Range 3A Box 3]

TitleFeed Mount Unit Design and Specs
Start Date11/8/1965
End Date12/6/1965
Notes1 folder
 [Range 3A Box 3]

TitleGeneral File
Start Date1963
End Date1976
Notes2 folders. Correspondence; memos; notes; diagrams; blueprints; drawings
 [Range 3A Box 4]

TitleInterferometer Antenna Feed Monthly Letter Progress Report no. 1
Start Date10/31/1968
 [Range 3A Box 4]

TitleInterferometer Computer Upgrade Memos
Start Date1984
NotesNos. 1-5
 [Range 3A Box 4]

AuthorHein Hvatum
TitleInterferometer notebooks
Start Date1/9/1963
End Date12/28/1965
Notes3 notebooks - Hein Hvatum's notes and records on interferometer
 [Range 3A Box 4]

AuthorRobert M. Hjellming
TitleAn Introduction to the NRAO Interferometer
Start Date2/1973
NotesFebruary 1973 edition
 [Range 3A Box 4]

TitleLear Siegler, Inc.: 85 foot Steerable Radio Telescope:
Start Date8/26/1964
End Date11/1/1964
Notes1 folder. Unsolicited proposal. Correspondence, statement of work, blueprints
 [Range 3A Box 4]

AuthorJ.F.C. Wardle
TitleMeasuring Polarization with the NRAO Three Element Interferometer
Start Date1970
NotesEstimated date
 [Range 3A Box 4]

TitleThe NRAO Interferometer: A Development Program
Start Date11/1969
 [Range 3A Box 4]

TitleNRAO/USNO
Start Date1977
End Date1987
Notes4 folders. Correspondence, memos, notes, reports, reprints
 [Range 3A Box 5]

TitleNRAO/USNO - Study for East-West Baseline
Start Date1980
End Date1981
Notes1 folder. Correspondence, memos, proposal
 [Range 3A Box 5]

TitleNRL Operations
Start Date12/8/1994
Notes1 folder. Correspondence
 [Range 3A Box 6]

TitleOnline Computer Program for Processing Interferometer Data
Start Date1965
 [Range 3A Box 6]

AuthorBarry G. Clark
TitlePrograms for the Interferometer DDP-116 Computer
Start Date1968
NotesAnnotations by George Conant
 [Range 3A Box 6]

TitleRadiation Systems, Inc.
Start Date11/1/1970
End Date11/5/1970
Notes1 folder. Correspondence; blueprints
 [Range 3A Box 6]

TitleSchedules
Start Date11/22/1967
End Date7/27/1970
Notes1 folder
 [Range 3A Box 6]

TitleSterling Detroit Company
Start Date1/1966
End Date2/1966
Notes1 folder. Correspondence; sub-contract
 [Range 3A Box 6]

AuthorJ.W.M. Baars
TitleStudy of interferometer phase instabilities and possible correlation with meteorological influences
Start Date11/1975
 [Range 3A Box 6]

AuthorNorth American Aviation
TitleTechnical Concept for 100 Foot Transportable Antenna for Variable-Baseline Interferometer
Start Date3/10/1965
NotesNA65H-207. Includes photos of surface panels for Sugar Grove antenna
 [Range 3A Box 6]

TitleTowing System
Start Date1963
Notes1 folder. Correspondence, drawings
 [Range 3A Box 6]

TitleUSNO Interferometer Reprints
Start Date1976
End Date1984
Notes1 folder
 [Range 3A Box 6]

TitleWater Vapor Radiometer
Start Date1969
End Date1971
Notes1 folder
 [Range 3A Box 6]

TitleInterferometer Group Memos
Start Date1963
End Date1975
Notes5 folders. Interferometer Group memos concerning design, construction, and operation of 85-2 and 85-3.
 [Range 3A Box 7]

TitleInterferometer observing requests
Start Date1970
End Date1986
Notes4 folders
 [Range 3A Box 8]

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