[Bracewell touching up signature pier on spectroheliograph dish]
Bracewell touching up signature pier on spectroheliograph dish. (FBOA image)



[Bracewell's 5-element interferometer]
5-element interferometer. (FBOA image)



[Bracewell with 32-dish microwave spectroheliograph]
Bracewell with 32-dish microwave spectroheliograph. (FBOA image)



[Bracewell in 1970s]
Bracewell in 1970s. (NRAO/AUI image)


NATIONAL RADIO ASTRONOMY OBSERVATORY ARCHIVES

Papers of Ronald N. Bracewell: Item listing

University of Cambridge and Commonwealth Scientific and Industrial Research Organization Unit, 1946-1956

TitleCambridge University: List of lectures
Start Date1946
End Date1947
 [Range 8A Box 1]
AuthorRonald N. Bracewell
TitleQuarterly reports on research
Start Date9/1946
End Date12/1949
NotesBracewell wrote 12 quarterly reports to CSIR about his research at Cavendish Laboratory in Cambridge.
 [Range 8A Box 1]
TitleVery long wave
Start Date1946
End Date1948
NotesLab notebook. Inside front cover lists of stations and their abbreviations, frequency, wavelength, and position
 [Range 8A Box 1]
TitleIonospheric lectures
Start Date1946
End Date1949
NotesBracewell's lecture notes
 [Range 8A Box 1]
TitleVery long wavelength propagation
Start Date1946
End Date1949
NotesNotes, diagrams
 [Range 8A Box 1]
TitleVery long wavelength background
Start Date1947
NotesNotes, calculations, diagrams
 [Range 8A Box 1]
TitleVery long wavelength graphs
Start Date1947
 [Range 8A Box 1]
Title16 kc/s disturbances
Start Date1947
End Date1948
NotesNotes, diagrams; typscript of 1948 Ratcliffe paper submitted to Nature
 [Range 8A Box 1]
TitleGBR (Cupar) data
Start Date1947
End Date1949
 [Range 8A Box 1]
TitleSudden ionospheric disturbances
Start Date1947
End Date1951
Notes2 folders. Notes, charts, diagrams
 [Range 8A Box 1]
TitleEuropean travel
Start Date9/1948
NotesRoute, mileage, and petrol consumption for travel from Sept. 4-Oct. 2 1948
 [Range 8A Box 2]
TitleSudden ionospheric disturbances
Start Date1948
Notes2 folders. Notes, charts, diagrams
 [Range 8A Box 2]
TitleFluctuations
Start Date1948
End Date1949
NotesNotes, calculations, diagrams
 [Range 8A Box 2]
TitleLiterature
Start Date1948
End Date1949
NotesLab notebook
 [Range 8A Box 2]
TitleSudden phase anomalies
Start Date1948
End Date1949
NotesTables of observed sudden phase anomalies. Folder originally labeled QBSA,
 [Range 8A Box 2]
TitleSun [solntse]
Start Date1948
End Date1949
NotesLab notebook; cover title in Russian, Cyrillic alphabet
 [Range 8A Box 2]
TitleD region
Start Date1948
End Date1951
NotesNotes, calculations, diagrams
 [Range 8A Box 2]
AuthorRonald N. Bracewell; T.W. Straker
RecipientJ.A. Ratcliffe
Date of corresp2/11/1949
SubjectDetecting phase anomalies, BBC broadcast interference problems
NotesCarbon copy of handwritten draft of letter.
 [Range 8A Box 2]
TitleZodiac
Start Date4/1949
NotesApril 1949 issue of Zodiac, the staff magazine of Cable and Wireless Ltd. Includes article titled "C & W aid Cambridge scientists in search of an echo," with photos of the Cavendish Laboratory and of Bracewell
 [Range 8A Box 2]
TitlePartial solar eclipse, Cambridge
Start Date4/28/1949
NotesNotes, calculations, diagrams
 [Range 8A Box 2]
AuthorRonald N. Bracewell; T.W. Straker
TitleThe study of solar flares by means of very long radio waves
Start Date1949
NotesHandwritten draft, notes, calculations, diagrams for Bracewell and Straker paper in Mon. Not. Roy. Astron. Soc., 109, 28, 1949
 [Range 8A Box 2]
TitleGBR (Aberdeen) data
Start Date1949
NotesNotes, calculations, diagrams
 [Range 8A Box 3]
TitleLyot filter
Start Date1949
NotesNotes and correspondence, including correspondence with Joseph L. Pawsey
 [Range 8A Box 3]
TitleLiterature
Start Date1949
End Date1954
NotesLab notebook. Most notes dated 194901954; 5 pages dated 1954-1958
 [Range 8A Box 3]
TitleAtmospherics
Start Date1950
NotesNotes, calculations, diagrams
 [Range 8A Box 3]
TitleMiscellaneous ionospheric data records
Start Date1950
NotesEstimated date; original folder unlabeled
 [Range 8A Box 3]
TitlePrints
Start Date1950
NotesPhase shifter. Notes, calculations, diagrams
 [Range 8A Box 3]
TitleObservational data and correspondence
Start Date1950
 [Range 8A Box 3]
TitleObservational data and correspondence
Start Date5/23/1950
End Date6/5/1950
 [Range 8A Box 3]
TitleObservations, VHP RP Polar Expedition
Start Date5/1950
End Date6/1950
NotesCharts and graphs
 [Range 8A Box 3]
TitleToolangi, 1950 February 17
Start Date1950
End Date1951
NotesMaterial related to observation of large solar disturbance on 17 February 1950
 [Range 8A Box 3]
TitleVHP
Start Date1950
NotesMaterial on using VHP, a short wave station, at Belconnen, Victoria, for observations
 [Range 8A Box 4]
TitleGRB Aberdeen loci-analysis
Start Date1950
End Date1951
NotesNotes, calculations, diagrams
 [Range 8A Box 4]
TitleBureau atmospheric records
Start Date1950
End Date1956
NotesRecords primarily from Bagneaux, France. Note in large red letters on front of original folder: "RED TAPE"
 [Range 8A Box 4]
TitleIonized medium charts
Start Date1951
 [Range 8A Box 4]
TitleFrequency change experiment VHP RP
Start Date4/21/1951
End Date4/22/1951
NotesNotes, calculations, diagrams
 [Range 8A Box 4]
AuthorRonald N. Bracewell; K.G. Budden; J.A. Ratcliffe; T.W. Straker; K. Weekes
TitleThe ionospheric propagation of low- and very-low-frequency waves over distances of less than 1000 km
Start Date1950
NotesCorrespondence and drafts for Bracewell et al: The ionospheric propagation of low- and very-low-frequency waves over distances of less than 1000 km in Proc. IEE, 98, pt. III, 221, 1951
 [Range 8A Box 4]
AuthorW.C. Bain; Ronald N. Bracewell; T.W. Straker; C.H. Westcott
TitleThe ionospheric propagation of radio waves of frequency 16 kc/s over distances of about 540 km
Start Date1950
End Date1951
NotesCorrespondence and drafts for Bain et al: The ionospheric propagation of radio waves of frequency 16 kc/s over distances of about 540 km, in Proc. IEE, 99, pt. IV, 250, 1952
 [Range 8A Box 4]
TitleVHP
Start Date1950
NotesLab notebook
 [Range 8A Box 5]
TitleAlgebra
Start Date1950
NotesLab notebook
 [Range 8A Box 5]
TitleObservations books
Start Date1950
Notes3 lab notebooks
 [Range 8A Box 5]
TitleMemo book
Start Date1950
NotesLab notebook
 [Range 8A Box 5]
TitleArithmetic
Start Date1950
End Date1952
NotesNotebook dates approximate, based on the few dated notes
 [Range 8A Box 5]
TitleArithmetic
Start Date1953
NotesLab notebook
 [Range 8A Box 5]
AuthorRonald N. Bracewell
TitleRadio stars or radio nebulae?
Start Date1952
NotesHandwritten manuscript of paper published in Observatory, 72, 27, 1952
 [Range 8A Box 5]
AuthorRonald N. Bracewell
TitleSome aspects of solar physics relevant to radio astronomy
Start Date7/1952
NotesRPL 74
 [Range 8A Box 5]
AuthorRonald N. Bracewell
TitleThe Abel transform
Start Date6/1954
NotesRPL 93
 [Range 8A Box 5]
AuthorRonald N. Bracewell
TitleAn Abel transformer
Start Date8/1954
NotesRPL 97
 [Range 8A Box 5]
TitleRadio astronomy at the Radiophysics Laboratory: An illustrated survey of current investigations
Start Date3/1956
NotesBooklet includes photographs
 [Range 8A Box 5]
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