Radiosonde

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OBJECT TYPE
capacitance/LORAN
DATE
2006
ARTIFACT NUMBER
2009.0127.001
MANUFACTURER
Vaisala
MODEL
RS92-KL
LOCATION
Unknown

More Information


General Information

Serial #
B1232153
Part Number
1
Total Parts
3
AKA
N/A
Patents
N/A
General Description
synthetic and styrofoam casing/ metal arm, wire and parts/ synthetic wire reel and parts

Dimensions

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

Length
41.1 cm
Width
7.1 cm
Height
N/A
Thickness
10.8 cm
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Meteorology
Category
Upper wind speed & direction measurement
Sub-Category
N/A

Manufacturer

AKA
Vaisala
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Unknown
Period
after 2006
Canada
An example of the family of radiosondes commonly used by the Meteorological Service of Canada at its 31 upper air observing stations starting in 2006. A piece of meteorological equipment from a large collection of meteorological instruments used by the Meteorological Service of Canada (previously Atmospheric Environment Service) and acquired by the CSTM since 1967. MSC is the government agency responsible for collecting and disseminating meteorological data and forecasts in Canada. It was founded in 1871 in Toronto where it is still headquartered. The MSC was originally on the University of Toronto downtown campus but moved to Downsview in 1971 on land owned by UofT. The headquarters houses laboratories, research facilities and calibration and instrument maintenance facilities (now largely contracted out).
Function
A device lifted by balloon into the upper atmosphere to measure temperature, humidity, and air pressure and transmit the data to earth. Wind speed and direction were determined by means of the Loran radio navigation system.
Technical
The RS92 replaced the RS80, which was heavier but physically larger. The RS92-KL uses Loran navigation for wind computation. The nine weather stations in the extreme north use the SGP version of the RS92, which uses GPS for wind determination. The sensor package that measures pressure in both radiosondes uses a silicon based chip called a Barocap. They have two humidity sensors that are alternately heated to remove moisture. The temperature sensor is small to reject solar radiation loading. The Meteorological Service of Canada uses Vaisala Digicora II ground equipment with the RS92s. This equipment are able to handle Loran, VLF, and GPS radiosondses.
Area Notes
Unknown

Details

Markings
Raised lettering on casing top reads '[logo] VAISALA/ www.vaisala.com'/ typed lettering on white paper label on side reads 'RS92-KL/ B1232153'/ black lettering on plastic label reads '[Environment Canada logo]/ HARMLESS WEATHER INSTRUMENT/ INSTRUMENT MÉTÉOROLOGIQUE à/ USAGE ECOLOGIQUE/ INFO: 1-800-726-2181'
Missing
Appears complete
Finish
White and grey casing/ white reel/ grey coated and plated metal arm/ grey wire
Decoration
Black and white drawing of person and waste bin

CITE THIS OBJECT

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

Vaisala, Radiosonde, 2006, Artifact no. 2009.0127, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2009.0127.001/

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