Oscillator

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Ingenium, 1996.0644.003
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OBJECT TYPE
source
DATE
1968
ARTIFACT NUMBER
1996.0644.003
MANUFACTURER
National Research Council
MODEL
Unknown
LOCATION
Winnipeg, Manitoba, Canada

More Information


General Information

Serial #
N/A
Part Number
3
Total Parts
9
AKA
N/A
Patents
N/A
General Description
GLASS, METAL AND SYNTHETIC CONSTRUCTION THROUGHOUT.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
47.0 cm
Width
15.0 cm
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Physics
Category
Atomic & nuclear
Sub-Category
N/A

Manufacturer

AKA
NRC
Country
Canada
State/Province
Manitoba
City
Winnipeg

Context

Country
Canada
State/Province
British Columbia
Period
THIS MASER USED C. 1968 TO 1992. WAS OPERATIONAL IN 1993/94.
Canada
MASER WAS KEY ELEMENT IN PERMITTING NRC RADIO ASTRONOMERS TO BECOME THE FIRST IN THE WORLD TO CREATE A LONG BASELINE INTERFEROMETER (LBI) NOT PHYSICALLY CONNECTED BY WIRES. THE DEVELOPMENT TEAM, CONSISTING OF NRC AND CANADIAN UNIVERSITY SCIENTISTS, WON THE RUMFORD PREMIUM FOR THIS ACHIEVEMENT IN 1972. (REF. 1)
Function
TO MEASURE TIME WITH THE HIGHEST POSSIBLE DEGREE OF ACCURACY, AND TO GENERATE A VERY PRECISE TIME FREQUENCY.
Technical
ATOMIC HYDROGEN MASER PROVIDES HIGHEST POSSIBLE STABILITY OF TIME MEASUREMENT OVER PERIODS OF SEVERAL HOURS. THIS EXAMPLE WAS STABLE TO 1 PART IN 10(13)-10(14). IT'S SIGNALS WERE SYNCHRONIZED TO PERMIT COMBINING THE INCOMING RADIO DATA FROM ASTRONOMICAL OBJECTS SUCH AS QUASARS, ACTIVE RADIO GALAXIES FROM TWO OR MORE VERY DISTANT RADIO TELESCOPE ANTENNAS, SUCH AS THOSE OF THE LBI.
Area Notes
Unknown

Details

Markings
Stored in sheet metal box, probably made by NRC. (.3 PT) "CAUTION! HYDROGEN MASER SOURCE OSCILLATOR GLASSWARE" and "SOURCE OSCILLATOR ELECTRONICS" handwritten in marker on box. Business cards for Joseph R. Fletcher, Electronics Technologist- NRC taped to box lid.
Missing
N/A
Finish
Metal, glass and synthetic component parts. Individual transistors, etc. bear mfr's markings.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

National Research Council, Oscillator, circa 1968, Artifact no. 1996.0644, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1996.0644.003/

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