Findlay at NRAO dedication, 1957 (NRAO/AUI/NSF image)

Calibration horn antenna, 1967. (NRAO/AUI/NSF image)

Findlay (right) at 140ft ground-breaking, 1958. (NRAO/AUI/NSF image)

300ft telescope. (NRAO/AUI/NSF image)

John W. Findlay, Otto Struve, David S. Heeschen, 1960. (NRAO/AUI/NSF image)

65m telescope drawing. (NRAO/AUI/NSF image)

Findlay, late 1950s. (NRAO/AUI/NSF image)

Fabricating new 12m surface, ca. 1983. (NRAO/AUI/NSF image)

NATIONAL RADIO ASTRONOMY OBSERVATORY ARCHIVES

Papers of John W. Findlay: Item listing
NRAO Instruments and Projects: Calibration Horn Antenna

ItemType	Correspondence
Author	Hein Hvatum
Recipient	John Findlay
Date of corresp	11/3/1959
Subject	Little Big Horn
Notes	carbon copy with original handwritten plot attached
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 1, section 1: previous work
Start Date	1968
Notes	reprints and preprints. NB for LBH notebook description - some notebook sections contain occasional brief correspondence between Findlay and A. Penzias
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 1, section 2: front end
Start Date	1968
Notes	notes, diagrams
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 1, section 3: back end
Start Date	1968
Notes	instruction manual for NRAO standard receiver; EDIR 82
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 1, section 4: data recording and reduction
Start Date	1968
Notes	notes, calculations, reprints
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 1, section 5: horn pattern and gain
Start Date	1968
Notes	notes, calculations, NRL report 4433
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 1, section 6: 960 MHz map
Start Date	1968
Notes	foldout map pasted to divider
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 2, section 1: diary of works
Start Date	1968
End Date	1969
Notes	notes, diagrams, calculations, and related materials
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 2, section 2: VSWR measures
Start Date	1968
End Date	1969
Notes	9 photos of recorded charts with annotations, further notes
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 2, section 3: R. Carpenter, summer 1969
Start Date	1969
Notes	report, calculations
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 3, section 1: A. Penzias
Start Date	1969
Notes	note from AP to JWF, Penzias preprints
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 3, section 2: calibration
Start Date	1969
Notes	internal and external technical reports, calculations, reprints, IEEE std, instrument catalogs
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 3, section 3: horn parabola
Start Date	1969
Notes	calculations, diagrams, memos, reprints
	[Range 6A Box 3]

ItemType	Notes and papers
Title	LBH notebook 4, folder 1
Start Date	1969
End Date	1970
Notes	notes, calculations, diagrams, plots, reprints, polyethelyne samples of LBH cover
	[Range 6A Box 4]

ItemType	Notes and papers
Title	LBH notebook 4, folder 2
Start Date	1969
End Date	1970
Notes	notes, calculations, diagrams, plots, reprints
	[Range 6A Box 4]

ItemType	Notes and papers
Title	LBH notebook 5, folder 1
Start Date	1971
Notes	notes, calculations, diagrams, plots
	[Range 6A Box 4]

ItemType	Notes and papers
Title	LBH notebook 5, folder 2
Start Date	1971
Notes	notes, calculations, diagrams, plots
	[Range 6A Box 4]

ItemType	Notes and papers
Title	LBH notebook 6: data reduction; section 1: reduced data
Start Date	1968
End Date	1970
Notes	2 folders
	[Range 6A Box 4]

ItemType	Notes and papers
Title	LBH notebook 6: data reduction; section 2: data reduction forms
Start Date	1968
End Date	1970
Notes	blank forms
	[Range 6A Box 4]

ItemType	Notes and papers
Title	LBH notebook 6: data reduction; section 3: hydrogen results
Start Date	1968
End Date	1970
	[Range 6A Box 4]

ItemType	Notes and papers
Title	LBH design
Start Date	1959
End Date	1963
Notes	Title from Findlay folder label; many items undated
	[Range 6A Box 5]

ItemType	Notes and papers
Title	LBH observations - I
Start Date	1959?
Notes	Findlay's folder title. Folder includes reprints on microwave measurements, Cas A data, carbon of typescript of Findlay manuscript "The measurement of the flux density from the source Cas A"
	[Range 6A Box 5]

ItemType	Data log book
Title	Little Big Horn log
Start Date	10/8/1959
End Date	2/9/1964
Notes	1987 annotations by Findlay in red; chart pasted on first page: "First record of Cass, October 9, 1959"; some notes and calculations towards end of volume following blank pages, some loose pages of notes inserted
	[Range 6A Box 5]

ItemType	Data log book
Title	Little Big Horn log
Start Date	10/7/1959
End Date	12/12/1960
Notes	Dewey Ross' name inside front cover; appears to be all his notes
	[Range 6A Box 5]

ItemType	Data log book
Title	[Daily record of LBH measurements]
Start Date	4/8/1960
End Date	9/12/1972
Notes	1987 annotations by Findlay in red
	[Range 6A Box 5]

ItemType	Notes and papers
Title	A short manual for operating and observing at the Little Big Horn
Notes	undated; no author
	[Range 6A Box 5]

ItemType	Notes and papers
Author	John W. Findlay
Title	Horn design - August 1958; Horn loss; Old calculations [contents of manilla envelope]
Start Date	8/1958
	[Range 6A Box 5]

ItemType	Notes and papers
Title	LBH paper
Start Date	1963
End Date	1964
Notes	Title from Findlay folder label; notes, data, etc for J.W.W. Findlay, H. Hvatum, W.B. Waltman, "An absolute flux-density measurement of Cassiopeia A at 1440 MHz", ApJ 141, 873, 1965.
	[Range 6A Box 5]

ItemType	Notes and papers
Title	S.W.R. measurements on LBH for frequencies 1.0 - 1.6 GHz in 100 MHz steps
Start Date	6/26/1968
End Date	8/16/1968
Notes	Title of folder from folder tab annotation; many of the notes pages initialed by F.X.W. [F.X. Witkowski; summer student, June-Aug 1968]; front of folder annotated by Findlay as "1968 FXW - Cals, SWR, etc" [SWR = standing wave ratio]
	[Range 6A Box 5]

ItemType	Notes and papers
Title	Comparison of Penzias N.T. [noise tube] and LBH noise tube, folder #1
Start Date	8/1969
End Date	11/1969
Notes	Title from Findlay notebook label
	[Range 6A Box 5]

ItemType	Notes and papers
Title	Comparison of Penzias N.T. [noise tube] and LBH noise tube, folder #2: LBH records Nov 12-18 1969, measures of A. Penzias noise sources
Start Date	11/1969
Notes	Titles from Findlay notebook label and envelope containing records
	[Range 6A Box 5]

ItemType	Data log book
Title	Little Big Horn log
Start Date	1/23/1964
End Date	8/27/1964
Notes	Bound vol has "Little Big Horn" printed on front cover. Some damage on edge of front cover (mice?). Oversize; filed with CHA box 3
	[Range 6A Box 5]

ItemType	Notes and papers
Title	LBH data reduction, July 1972, folder 1: data reduction
Start Date	7/1972
Notes	Title from Findlay notebook label and dividers
	[Range 6A Box 6]

ItemType	Notes and papers
Title	LBH data reduction, July 1972, folder 2: trial results
Start Date	7/1972
Notes	Title from Findlay notebook label and dividers
	[Range 6A Box 6]

ItemType	Notes and papers
Title	LBH data reduction, July 1972, folder 3: notes, etc
Start Date	7/1972
Notes	Title from Findlay notebook label and dividers
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	LBH data reduction computer programs [notes and calculations contained in 3-ring notebook]
Start Date	7/1972
End Date	6/1966
Notes	Title from notebook label. Many handwritten calculations; not all dated; includes Cas A calculations; some calculations annotated [later?] in red
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	Is Cas A Also an Irregular Variable
Start Date	1974?
Notes	Unpublished paper; filed with Dent et al reprint
	[Range 6A Box 6]

ItemType	Notes and papers
Title	820 MHz paper (1974 notebook): section 1: 820 MHz map in RA and dec (1950)
Start Date	1974?
Notes	large folded map (58"x60"); map left folded - brittle and disintegrating on folds
	[Range 6A Box 6]

ItemType	Notes and papers
Title	820 MHz paper (1974 notebook): section 2: result summaries
Start Date	1974?
Notes	handwritten chart and notes
	[Range 6A Box 6]

ItemType	Notes and papers
Title	820 MHz paper (1974 notebook): section 3: other work
Start Date	1974?
Notes	notes from J.W.M. Baars
	[Range 6A Box 6]

ItemType	Notes and papers
Title	820 MHz paper (1974 notebook): section 4: horn beam gain/loss
Start Date	1974?
Notes	notes, calculations, diagrams, horn beam plot at 820 MHz in RA and dec (1950)
	[Range 6A Box 6]

ItemType	Notes and papers
Title	820 MHz paper (1974 notebook): section 5: convolution
Start Date	1974?
Notes	notes and calculations
	[Range 6A Box 6]

ItemType	Notes and papers
Title	820 MHz paper (1974 notebook): section 6: my sky
Start Date	1974?
Notes	notes, plots, calculations
	[Range 6A Box 6]

ItemType	Notes and papers
Title	820 MHz paper (1974 notebook): section 7: Spoelstra sky
Start Date	1974?
Notes	notes, plots, correspondence between Findlay and Baars
	[Range 6A Box 6]

ItemType	Notes and papers
Title	First fringes with the Calibration Horn Interferometer
Start Date	6/20/1979
Notes	Signed and labeled chart
	[Range 6A Box 6]

ItemType	Notes and papers
Title	The interferometer for Cas A, August 1979. Fringe fitting, source size, results, summary, adjusting delays
Start Date	8/1979
Notes	Title from Findlay notebook label
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	The calibration horn antenna [multiple draft versions]
Start Date	1986?
End Date	1990
Notes	Original hand-written draft undated; draft versions dated April 1987, March 15 1989, January 20 1990. All with comments and annotations
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	Work to complete the LBH paper
Start Date	1989
Notes	notes and calculations
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	Repeat the cal horn interferometer
Start Date	8/1978
Notes	Handwritten notes
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	Calibration horn interferometer [note to Cam Wade on sheet 1]
Start Date	1977
Notes	Handwritten notes, with note to Cam Wade at top of sheet 1
	[Range 6A Box 6]

ItemType	Notes and papers
Author	Campbell Wade
Title	[Cam Wade's response to Findlay's 1977 notes and query]
Start Date	7/8/1977
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	Cal horn interferometer
Start Date	1975?
Notes	Handwritten notes, dated after 1975 March 18 (printout date on verso of handwritten sheets)
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	Horn C of G [calculation of gain]
Start Date	3/4/1975
Notes	Handwritten notes, with note to Sidney Smith at top of sheet 1
	[Range 6A Box 6]

ItemType	Correspondence
Author	John W. Findlay
Recipient	G. Peery
Date of corresp	3/3/1975
Subject	Standard gain horn
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	S. G. [standard gain] horn - Mark II
Start Date	3/3/1975
Notes	2 extra photocopies of drawing
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	S. G. [standard gain] horn A(eff) [approx =] 1 sq m at 1.415 GHz
Start Date	2/13/1975
Notes	Some calculated numbers have later corrections in red
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	Standard gain horn
Start Date	1/1975
Notes	single hand drawn sheet
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	Horn [approx equal] 1 sq m
Start Date	1974?
Notes	single handwritten sheet
	[Range 6A Box 6]

ItemType	Notes and papers
Author	John W. Findlay
Title	An absolute flux density scale at 408 MHz [notes on D.V. Wyllie: MNRAS 142, 229-240, 1979]
Start Date	1974?
Notes	With photocopy of Wyllie article; later note in red says "See my letter to Baars"
	[Range 6A Box 6]

ItemType	Correspondence
Author	John W. Findlay
Recipient	J.W.M. Baars
Subject	calibrate interferometer with standard horn; invitation to Baars to participate in program
	[Range 6A Box 6]

ItemType	Correspondence
Author	Mel Wright
Recipient	John W. Findlay
Date of corresp	9/13/1973
Subject	use of lambda 21 cm horn to search for high velocity hydrogen
	[Range 6A Box 6]

ItemType	Reprint
Author	Tom Y. Otoshi, Charles T. Stelzried
Title	Cosmic background noise temperature measurements at 13-cm wavelength
Notes	Reprint: IEEE Tr. Inst. Meas. 24: 174-179, 1975
	[Range 6A Box 6]

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Modified on Monday, 19-Nov-2007 15:18:20 EST by Ellen Bouton, Archivist (Questions or feedback)