Accession Number:

AD0620823

Title:

TRIAXIAL AUTOMATIC PHOTO-CAMERA FOR OBSERVING MAN-MADE EARTH SATELLITES,

Descriptive Note:

Corporate Author:

FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s):

Report Date:

1965-08-18

Pagination or Media Count:

16.0

Abstract:

A compensation method is used for satellite tracking with a photographic camera f75 cm., Df13.5, field of view 4 degrees x 5 degrees. A frame with the film placed in the focal plane of the objective lens vibrates in the direction of the track with the velocity of the image of the satellite. The vibrational motions of the frame as well as the rotation of the camera, the guiding and operating of the shutter are performed by means of an electronicprogramming device according to an approximate formula omega omega sub o sq cor e. If the rotational velocity of the camera is not the same as that of the satellite a correction by hand can be made. Photographs of bright objects are taken on a fixed film with a rotating obturator. The time of observation is marked by means of a quartz clock. It is possible to track moving objects down to 10m, the internal error of position determination being 0 min, 5 1 min. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE