General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

ALUMINUM CASING/ METAL(BERYLLIUM-COPPER?) ANTENNA/ SYNTHETIC PARTS

Dimensions

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

Length

49.6 cm

Width

14.0 cm

Height

14.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Space Technology

Category

Space science

Sub-Category

N/A

Manufacturer

AKA

SPAR

Country

Canada

State/Province

Ontario

City

Toronto

Context

Country

Canada

State/Province

Unknown

Period

Unknown

Canada

INVENTED BY NRC FOR MILITARY PURPOSES & DEVELOPEDBY SPAR FOR SPACE APPLICATIONS, STEM ANTENNAS WERE USED FIRST IN CANADA ON ALOUETTE-ISIS SATELLITES AS WELL AS MANY OTHER SATELLITES & ROCKETS.

Function

ANTENNA OF TYPE USED ON ALOUETTE SATELLITE SOUNDERS TO GATHER DATA FROM IONOSPHERIC SOUNDING ACTIVITIES. THIS DEVELOPMENTAL MODEL DEMONSTRATED FEASIBILITY OF DEPLOYING LONG MONOPOLES FOR USE AS ANTENNAS ON SATELLITES USINGNEW STEM MATERIAL.

Technical

STEM ANTENNAS WERE DESIGN INNOVATION THAT ENABLED SATELLITE SOUNDERS TO HAVE VERY LONG ANTENNAS NEEDED FOR NEWLY UTILIZED FREQUENCIES. STEM ANTENNAS WERE DEPLOYED ON ALOUETTE-ISIS SATELLITES AS CROSSED DIPOLES. STEM CONCEPT HAS SINCE BEEN APPLIED TO BOOMS, EXTENDIBLE ARMS, & OTHER USES.

Area Notes

Unknown

Details

Markings

N/A

Missing

N/A

Finish

UNFINISHED CASING/ PLATED PARTS/ WHITE, BLACK, RED, & ORANGE SYNTHETIC

Decoration

N/A