General Information

Serial #

N/A

Part Number

3

Total Parts

3

AKA

N/A

Patents

N/A

General Description

Metal disc, post cable core and connector, synthetic housing and cable covering and wood block

Dimensions

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

Length

N/A

Width

N/A

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Meteorology

Category

Upper air pressure, temperature & humidity measurement

Sub-Category

N/A

Manufacturer

AKA

Unknown

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Ontario

Period

THE GMD SYSTEM WAS FIRST ADOPTED BY AES CA. 1960 & WAS USED UNTIL THE MID 1990'S.

Canada

AMERICAN MADE EQUIPMENT USED BY THE CANADIAN METEOROLOGICAL SERVICE IN ITS RADIOSONDE FORECASTING & RESEARCH PROGRAMME. THE ADRES (AEROLOGICAL DATA REDUCTION SYSTEM) USED TO CONTROL THE SYSTEM & PROCESS THE DATA WAS COMPOSED AT LEAST PARTIALLY OF EQUIPMENT SPECIFICALLY MADE IN CANADA FOR THAT PURPOSE.

Function

Unknown

Technical

THE GMD (GROUND METEOROLOGICAL DEVICE) SYSTEM SUCCEEDED THE MSC'S METOX RADIOTHEODOLITE & MANUAL DATA REDUCTION SYSTEM (REF.3). THE METOX ANTENNA WAS A SQUARE ARRAY OF 32 HALF-WAVE ELEMENTS. THE GMD WAS BEING REPLACED IN THE 1990'S BY A MULTIPOLE YAGI TYPE ANTENNA, WHICH REQUIRED NO TRACKING.

Area Notes

Unknown

Details

Markings

N/A

Missing

Appears complete

Finish

Grey metal disc, clear synthetic housing encasing a copper-coloured post, black cable with grey metal connector, and a white painted wood block.

Decoration

N/A