Papers of John W. Findlay > NRAO Instruments and Projects Series > Calibration Horn Antenna Unit

Collection Items

Cosmic background noise temperature measurements at 13-cm wavelength

Use of lambda 21 cm horn to search for high velocity hydrogen

Start Date: 1973-09-13

Calibrate interferometer with standard horn; invitation to Baars to participate in program

An absolute flux density scale at 408 MHz [notes on D.V. Wyllie: MNRAS 142, 229-240, 1979]

Start Date: 1974?

Horn [approx equal] 1 sq m

Start Date: 1974?

Standard gain horn

Start Date: 1975-01

S. G. [standard gain] horn A(eff) [approx =] 1 sq m at 1.415 GHz

Start Date: 1975-02-13

S. G. [standard gain] horn - Mark II

Start Date: 1975-03-03

Standard gain horn

Start Date: 1975-03-03

Horn C of G [calculation of gain]

Start Date: 1975-03-04

Cal horn interferometer

Start Date: 1975?

[Cam Wade's response to Findlay's 1977 notes and query]

Start Date: 1977-07-08

Calibration horn interferometer [note to Cam Wade on sheet 1]

Start Date: 1977

Repeat the cal horn interferometer

Start Date: 1978-08

Work to complete the LBH paper

Start Date: 1989

The calibration horn antenna [multiple draft versions]

Start Date: 1986?

The interferometer for Cas A, August 1979. Fringe fitting, source size, results, summary, adjusting delays

Start Date: 1979-08

First fringes with the Calibration Horn Interferometer

Start Date: 1979-06-20

820 MHz paper (1974 notebook): section 7: Spoelstra sky

Start Date: 1974?

820 MHz paper (1974 notebook): section 6: my sky

Start Date: 1974?

820 MHz paper (1974 notebook): section 5: convolution

Start Date: 1974?

820 MHz paper (1974 notebook): section 4: horn beam gain/loss

Start Date: 1974?

820 MHz paper (1974 notebook): section 3: other work

Start Date: 1974?

820 MHz paper (1974 notebook): section 2: result summaries

Start Date: 1974?

820 MHz paper (1974 notebook): section 1: 820 MHz map in RA and dec (1950)

Start Date: 1974?

Is Cas A Also an Irregular Variable

Start Date: 1974?

LBH data reduction computer programs [notes and calculations contained in 3-ring notebook]

Start Date: 1972-07

LBH data reduction, July 1972, folder 3: notes, etc

Start Date: 1972-07

LBH data reduction, July 1972, folder 2: trial results

Start Date: 1972-07

LBH data reduction, July 1972, folder 1: data reduction

Start Date: 1972-07

Little Big Horn log

Start Date: 1964-01-23

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: 1969-11

Comparison of Penzias N.T. [noise tube] and LBH noise tube, folder #1

Start Date: 1969-08

S.W.R. measurements on LBH for frequencies 1.0 - 1.6 GHz in 100 MHz steps

Start Date: 1968-06-26

LBH paper

Start Date: 1963

Horn design - August 1958; Horn loss; Old calculations [contents of manilla envelope]

Start Date: 1958-08

A short manual for operating and observing at the Little Big Horn

[Daily record of LBH measurements]

Start Date: 1960-04-08

Little Big Horn log

Start Date: 1959-10-07

Little Big Horn log

Start Date: 1959-10-08

LBH observations - I

Start Date: 1959?

LBH design

Start Date: 1959

LBH notebook 6: data reduction; section 3: hydrogen results

Start Date: 1968

LBH notebook 6: data reduction; section 2: data reduction forms

Start Date: 1968

LBH notebook 6: data reduction; section 1: reduced data

Start Date: 1968

LBH notebook 5, folder 2

Start Date: 1971

LBH notebook 5, folder 1

Start Date: 1971

LBH notebook 4, folder 2

Start Date: 1969

LBH notebook 4, folder 1

Start Date: 1969

LBH notebook 3, section 3: horn parabola

Start Date: 1969

LBH notebook 3, section 2: calibration

Start Date: 1969

LBH notebook 3, section 1: A. Penzias

Start Date: 1969

LBH notebook 2, section 3: R. Carpenter, summer 1969

Start Date: 1969

LBH notebook 2, section 2: VSWR measures

Start Date: 1968

LBH notebook 2, section 1: diary of works

Start Date: 1968

LBH notebook 1, section 6: 960 MHz map

Start Date: 1968

LBH notebook 1, section 5: horn pattern and gain

Start Date: 1968

LBH notebook 1, section 4: data recording and reduction

Start Date: 1968

LBH notebook 1, section 3: back end

Start Date: 1968

LBH notebook 1, section 2: front end

Start Date: 1968

LBH notebook 1, section 1: previous work

Start Date: 1968

Little Big Horn

Start Date: 1959-11-03

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Papers of John Wilson Findlay
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