Papers of Alan H. Bridle > Dominion Radio Astrophysical Observatory (DRAO) Series

Collection Items

Cambridge to DRAO chronology, 1965
Description: Annotated chronology of arrangements for and travel from Cambridge to DRAO
Start Date: 1965-07-09

Description: Correspondence re Bridle's immigration status
Start Date: 1965-09-01

DRAO 10-MHz T Array
Description: Reprint: Galt and Costain: Low Frequency Radio Astronomy, Trans. Roy. Soc. Canada, v. III, ser. IV, 419-430, 1965
Start Date: 1965-06-00

Description: Additional 1965-1966 black and white photographs of the DRAO 10-MHz T Array, Penticton, Canada, including official Dominion Observatory photos.
Start Date: 1965-00-00

Description: Color slides of DRAO 10-MH-z Array, Penticton, Canada, 1965-1966. Includes scanned and unscanned images.
Start Date: 1965-00-00

DRAO 10-MHz T Array
Description: Alan Bridle and Rick Choquette: Secrets of the 10.03 MC/s System (Part II), July 1966
Start Date: 1966-07-00

Bridle leaves DRAO, August 1966
Description: Bridle's going-away card signed by DRAO scientific staff (Ed Argyle, Rob Roger, John Galt) and students (V.R.Venugopal, D.Sloan, R.Choquette) in August 1966.
Start Date: 1966-08-00

DRAO 10-MHz T Array
Description: Reprint: Galt, Purton, and Scheuer: Large 10 MHz Array for Radio Astronomy, Publications of the Dominion Observatory, 24, 294-304, 1967
Start Date: 1967-00-00

Description: Reprint: Costain, Lacey, and Roger: The 22.25 MHz Radio Telescope at the Dominion Radio Astrophysical Observatory, Publications of the Dominion Observatory, 25, 326-335, 1969
Start Date: 1969-00-00

DRAO 10-MHz T Array
Description: 1972 unpublished updates to flux densities measured by 10-MHz T array.
Start Date: 1972-00-00

DRAO 22-MHz Array
Description: 1972 unpublished updates to flux densities measured by 22-MHz T array.
Start Date: 1972-00-00

Canadian radio astronomy
Description: Reprint: Galt: Canadian Radio Astronomy - Past, Present, Future?, J. Roy. Astron. Soc. Canada, 75, 297, 1981.
Start Date: 1981-00-00

Canadian radio astronomy
Description: Correspondence re possible substantial cuts to the National Research Council [Canada] budget for astronomy.
Start Date: 1986-10-15

DRAO 10-MHz T Array
Description: Email, Bridle to Cordes re 10 MHz
Start Date: 1990-02-12

DRAO 10-MHz T Array
Description: Email between Bridle and Purton re M31 at 10 MHz
Start Date: 1994-03-15

Description: Peter Scheuer and the DRAO 10-MHz array project; recollection by Alan Bridle
Start Date: 2001-09-17

Description: Email from Purton to Bridle re Peter Scheuer, Penticton, and Resolute Bay
Start Date: 2001-10-01

Canadian radio astronomy
Description: Email between Bridle and Tim Robishaw re DRAO history
Start Date: 2020-12-03

Biography of Carman Costain
Description: Carman Costain biography
Start Date: 2022-09-00

Canadian radio astronomy
Description: Email from Bridle to Elizabeth Griffin re Wall and Griffin DRAO history
Start Date: 2022-11-27

DRAO 10-MHz T Array
Description: Bridle: A personal history of the DRAO's 10-MHz 'T' Array Project
Start Date: 2023-01-19

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array poles and sage, 1965
Start Date: 1965-00-00

DRAO 10-MHz T Array
Description: DRAO 10 MHz array: John Galt in the DRAO "giraffe" using the impedance probe during the array checkout before observing restarted in September 1965.
Start Date: 1965-09-00

DRAO 10-MHz T Array
Description: DRAO 10 MHz array North-South arm testing, John Galt in the "griaffe" - September 1965
Start Date: 1965-09-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array crossover: equipment inside the discarded domestic refrigerator in which the 10-MHz array preamplifiers and the East-West arm phasing network were housed, October 1965
Start Date: 1965-10-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array crossover: equipment inside the discarded domestic refrigerator in which the 10-MHz array preamplifiers and the East-West arm phasing network were housed, October 1965
Start Date: 1965-10-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array phasing checkout, October 1965
Start Date: 1965-10-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array receivers and beam outputs in trailer, October 1965
Start Date: 1965-10-00

DRAO 10-MHz array
Description: DRAO 10-MHz T array trailer and Travelall in fall 1965
Start Date: 1965-10-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array diesel generator and trailer in fall 1965
Start Date: 1965-10-00

DRAO 10-MHz T Array
Description: DRAO White Lake dipole in White Lake, November 1965
Start Date: 1965-11-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array equipment trailer site looking towards Apex Mountains, November 1965
Start Date: 1965-11-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array trailer and Travelall in winter 1965
Start Date: 1965-12-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array poles and rocks, winter 1965
Start Date: 1965-12-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array site from northeast, winter 1965
Start Date: 1965-12-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array at sunrise, winter 1965
Start Date: 1965-12-00

DRAO 10-MHz T Array
Description: Travall on public road to DRAO 10-MHz T array, winter 1965
Start Date: 1965-12-00

DRAO 10-MHz T Array
Description: January 1966: refrigerator and the East-West arm of the array in winter snow.
Start Date: 1966-01-00

DRAO 10-MHz T Array
Description: DRAO 10-MHz T array dipoles and deisel generator fuel tank, January 1966.
Start Date: 1966-01-00

DRAO 10-MHz T Array
Description: Cloudbreak over Travelall at DRAO 10-MHz T array, January 1966
Start Date: 1966-01-00

DRAO 10-MHz T Array
Description: DRAO White Lake 10-MHz array from West Hills, January 1966
Start Date: 1966-01-00

DRAO 10-MHz T Array
Description: DRAO 10 MHz array north arm from SW hills, January 1966
Start Date: 1966-01-00

DRAO 10-MHz T Array
Description: DRAO White Lake 10-MHz array, spring 1966
Start Date: 1966-00-00

DRAO 10-MHz T Array
Description: Cables bringing the amplified DRAO 10-MHz array North-South arm signals into "Rookery A," its Butler matrix phasing system, with Peter Scheuer's rubber spider "Olivia" at top left. Undated.

DRAO 10-MHz T Array
Description: Undated photo of equipment trailer for DRAO 10-MHz array showing Eddystone receivers used by Bridle; taken either 1966 or 1968, before the eight-receiver system used by Jim Caswell was in place.

DRAO 22-MHz Array
Description: DRAO 22-MHz T array, October 1965
Start Date: 1965-10-00

DRAO 22-MHz T Array
Description: View along the East-West arm of the DRAO 22-MHz array, winter 1965-1966.
Start Date: 1966-01-00

DRAO 22-MHz Array
Description: DRAO 22-MHz T array at sunset, January 1966
Start Date: 1966-01-00

Collection Tree