Papers of David S. Heeschen > Radio Astronomy History Series > NRAO Unit

Figures and diagrams related to 21 cm research at G. R. Agassiz Station of Harvard Observatory

Start Date: 1954

Radio Observations of Interstellar Neutral Hydrogen Clouds

Start Date: 1955-08-01

Report on 21 cm Observations between 1=60 deg and 1=135 deg

Start Date: 1955-08-01

Interstellar Hydrogen 21 cm Receiver

Start Date: 1955-08-01

Progress Report on the Project in Radio Astronomy at the G. R. Agassiz Station of Harvard Observatory

Start Date: 1955-08-01

A Survey of Research Results to Date for the Orion Nebula and Surroundings

Start Date: 1955-03-10

The New Science of Radio Astronomy

Start Date: 1954-12-29

Preliminary Results from 21 cm Observations in Galactic Longitudes 1 = 60 deg to 1 = 130 deg

Start Date: 1954-12

21 cm Observations of Dense Dark Nebulae

Start Date: 1954-12

Radiation from Interstellar Hydrogen at 21 cm

Start Date: 1954-08-26

VLA fiscal materials

Start Date: 1974-09-11

Symposium on Cosmical Gas Dynamics

Start Date: 1957-06

Radio astronomy from space

Start Date: 1958

Radio and wind equipment at Green Bank

Start Date: 1956-10-17

Newspaper clippings

Start Date: 1954

Status of 140ft telescope construction

Start Date: 1963-07-29

Design responsibility, 140ft telescope

Start Date: 1963-02-18

Recommendations for future Director of NRAO

Start Date: 1961-05-16

Problems with management of 140ft telescope project by AUI and detrimental effect of lack of progress in project to NRAO and radio astronomy

Start Date: 1961-05-09

Concern about progress and management of 140ft project

Start Date: 1961-05-10

Internal memo: Suggestion for a course of action to take with the 140ft telescope

Start Date: 1961-05-02

Responsibilities of Stone & Webber Engineering Corp. for 140ft telescope

Start Date: 1961-04-06

Condensed History of the 140-foot Telescope Project

Start Date: 1961-01-05

Preliminary estimate on conversion of contract RAP-6 to a Cost Plus Fixed Fee Contract

Start Date: 1960-12-06

Difficulties with contract RAP-6

Start Date: 1960-11-14

Difficulties with contract RAP-6

Start Date: 1960-11-14

Broad context for problems with 140ft

Start Date: 1960-10-17

Problems with 140ft, formation of technical review committee

Start Date: 1960-10-05

Framework for negotiation of contract with Bliss

Start Date: 1960-09-25

Administration of 140ft telescope project

Start Date: 1960-09-25

Proposed telegram from AUI to E.W. Bliss re conditions under which negotiations will be resumed, and limits to negotiations

Start Date: 1960-09-22

Completion of 140ft telescope

Start Date: 1960-09-22

140ft telescope parts now considered critical in shop work at Canton

Start Date: 1960-09-22

Memorandum on 140 foot telescope

Start Date: 1960-09-12

Decision on completion of bearing for 140ft telescope

Start Date: 1960-09-02

Confirming agreements of 8/30/1960 on financial problems related to 140ft construction

Start Date: 1960-09-01

On meeting at NSF on 8/30/1960

Start Date: 1960-08-31

Bliss response to phone request of 8/17/1960

Start Date: 1960-08-19

Problems with 140ft spherical bearing and claims for extras by Bliss

Start Date: 1960-08-18

Meeting on 140ft, 8/17/1960

Start Date: 1960-08-18

Comments on Ned Ashton's 15th status report on 140ft

Start Date: 1960-08-12

Constructing new research instruments at the NRAO

Start Date: 1960-05-20

Status report on 140ft

Start Date: 1960-05-19

140ft design deficiencies

Start Date: 1960-05-05

Status report on 140ft

Start Date: 1960-03-03

Memo for 140ft telescope file

Start Date: 1959-11-18

Bliss and contract RAP-6

Start Date: 1959-11-11

AUI-Bliss negotiations on 11/10/1959

Start Date: 1959-11-11

Memorandum for files

Start Date: 1959-11-10

Meeting of 10/5/1959

Start Date: 1959-10-15

Memorandum of Agreement, Berkner-Potter meeting on 5 October 1959

Start Date: 1959-10-13

AUI position with respect to obligations of E.W. Bliss Company under contract RAP-6

Start Date: 1959-05-15

Design concept changes to 140ft telescope

Start Date: 1959-04-09

Some Centimeter Wave Programs for the 140-ft. Telescope

Start Date: 1957-12-02

NRAO groundbreaking materials

Start Date: 1957-10-17

General specifications for a 140-foot equatorial radio telescope

Start Date: 1956-11-20

Organization and first meeting to discuss general characteristics

Start Date: 1956-10-31

Response to Tuve's 6/29/1956 letter

Start Date: 1956-07-03

Bok's 6/20/1956 letter to the Radio Astronomy Panel

Start Date: 1956-06-29

Statement on the Establishment and Operation of a National Radio Astronomy Facility

Start Date: 1956-04-24

Research Objectives for Large Steerable Paraboloid Radio Reflectors: A preliminary report prepared by a panel of Associated Universities, Inc.

Start Date: 1955-04-22

Research Proposal to the National Science Foundation for a Grant in Support of a Feasibility Study of a National Radio Astronomy Facility by Associated Universities, Inc.

Start Date: 1954-07-26

Survey of the Potentialities of Cooperative Research in Radio Astronomy

Start Date: 1954-04-13

Radio astronomy in the US, recommendations for new telescope in Green bank

Start Date: 1957-04-23

Topographical survey to include Green Bank site

Start Date: 1957-04-05

Signals from the Milky Way Received

Start Date: 1956-12-09

Some critical observations of gaseous nebulae that can be secured only in the cm-wavelength region

Start Date: 1956-10-15

Servo-mechanisms and the design of large telescopes

Start Date: 1956

A radio astronomy program at the University of Michigan

Start Date: 1956-07-06

A National Radio Observatory

Start Date: 1956-10

Radio astronomy research in the United States

Start Date: 1956

Discussions about budget for radio astronomy in the United States for fiscal years 1958 to 1962

Start Date: 1956-10-27

Plan for a National Radio Astronomy Facility

Start Date: 1956-03-28

Proposal for a new type solid state maser

The present state of solid state maser development

Start Date: 1957-07-05

Maser receiver

Start Date: 1959

IRE Radio Astronomy issue

Start Date: 1957

Hydrogen line receiver

Start Date: 1957

Green Bank Telescope (GBT)

Start Date: 1989-02

Electronics equipment for Green Bank Lab

Start Date: 1956-11-20

Control panels

Airborne Instruments Laboratory receiver - Indicator calibrations

Start Date: 1958

Airborne Instruments Laboratory receiver - Calibrations

Start Date: 1958

Airborne Instruments Laboratory receiver

Start Date: 1958

300 foot telescope budget estimates

Start Date: 1957

140 foot telescope testing

Start Date: 1956

85 foot telescope testing

85 foot telescope surface

Start Date: 1958

85 foot telescope scheduling

Start Date: 1959-07

85 foot telescope research programs

Start Date: 1958

85 foot telescope receiver

85 foot telescope optical observations

Start Date: 1958

Papers of David S. Heeschen > Radio Astronomy History Series > NRAO Unit

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