Accession Number:

AD0405369

Title:

EXPERIMENTAL STUDY OF CHARGE DRAG ON ORBITING DIPOLES,

Descriptive Note:

Corporate Author:

MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB

Personal Author(s):

Report Date:

1963-01-14

Pagination or Media Count:

6.0

Abstract:

Six tin dipoles 34 cm long and .043 cm in dia have been placed in a near-polar, near-circular orbit at a mean altitude of about 3100 km. Radar observations made at the RCA facility at Moores town, N. J., over a period of about two months, while the dipoles were continuously in sunlight, indicate that charge drag has not produced a de crease in mean altitude at an average rate greater than 0.3 kmyear. The actual charge drag may be far less since, in fact, no sys tematic change in mean altitude is clearly discernible from the experimental results. If an approximate scaling law is invoked, it is found that the corresponding upper bound on the decrease in mean altitude of 1-mil-diameter microwave dipoles is about 90 kmyear. Making additional assumptions about the plasma leads to establishing an upper limit of 0.6 volt for the average magnitude of the electrostatic potential of the dipoles during this experiment. Author AD-405 369

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE