STATUS REPORT FOR PERIOD 1 AUGUST THROUGH 31 AUGUST 1970 U.S. GOVERNMENT CONTRACT (SANITIZED)

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79B00873A001300010011-8
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 17
• Document Creation Date: December 28, 2016
• Document Release Date: August 29, 2012
• Sequence Number: 11
• Publication Date: August 1, 1970
• Content Type: REPORT

Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
110r Co?i
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
STATUS REPORT
for period
1 August through 31 August 1970
U. S. GOVERNMENT
File No. 11038
?
STAT
STAT
00, Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
STAT
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
This document is presented as the Monthly
Ctahic Pannrt unrictr CIOntrant to the U. S.
The report period represented herein covers the
period 1 August through 31 August 1970.
STAT
STAT
STAT
f=i Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
INDEX
1 Program Status Summary 1
Task 1: Statements of Work, Specifications,
Report Preparation Ti - 1
Task 11: Stage Drives T11 - 1 through 2
t=i
Task 16, 17, and 18:
Fl Viewing Optics and
Viewing Illumination T16, 17, & 18 - 1
Task 22:? Interferometer Assembly T22 - 1
,
7
k=,
Task 36: Overall Assembly T36 - 1
Task 40: Installation T40 - 1
Task 43: Computer Programming and
Services T43 - 1 through 4
6.4 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
C=I
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
PROGRAM STATUS SUMMARY
Scheduled percentage of completion 98.3%
Actual percentage this date 93.3%
The work of assembling the Stereocomparator has
reached the point of integration of the computer program
with the mechanical, electrical, and optical subsystems.
Certain problems have developed which are mentioned in
this report.
While these problems have not been solved at
this time, work is proceeding, .and no setbacks to the
Stereocomparator schedule are presently contemplated.
-1-
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
6 Declassified in Part- Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
TASK 1
STATEMENTS of WORK, SPECIFICATIONS, REPORT PREPARATION
Scheduled percentage of completion 100%
Actual percentage this date 100%
As an aid in preparing the acceptance test pro-
cedures, the performance specifications for the Stereo-
comparator are presently being reviewed with the object
of updating them.
Ti - 1
1=, Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
1=
9
r-
TASK 11
STAGE DRIVES
Scheduled percentage ,of completion 100%
Actual percentage this date 97%
Accelerometer readings taken at various points
on the Stereocomparator substructure during the approx-
imately 20 Hz. vibration has shown that vibration of
the stage on one side of the instrument reflects and
shows up as vibration of the stage on the other side of
the instrument. Work is continuing to determine if the
base of the instrument is vibrating as a whole.
The
vibration absorbing system STAT
has proved to be a problem. It does eliminate vibration
from the ground to thA Stereocomparator, but it is not
sufficiently damped to prevent excursions 'whenthe Stereo-
comparator mechanical system is excited.
The addition of viscous damping devices between
the Stereocomparator frame and the ground (around the
units) is presently under study.
has been
retained as a consultant to assist in the design of this
equipment.
T11 - 1
STAT
STAT
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8 ?
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
?
In the event that a damping device does not com-
pletely cure the problem, it may be necessary to stiffen
the connection between the stages and the granite base
blocks through modifications to the threadless lead screw
stage drive units.
T11 2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
7
U
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
TASK 16, 17, and 18
VIEWING OPTICS
and VIEWING ILLUMINATION
Scheduled percentage of completion 100%
Actual percentage this date 100%
The task of optical alignment and checkout
is continuing. The optical assembly and preliminary
alignment is complete. The optical systems are in process
of fine alignment adjustment to maximize the resolution and
generally improve the image quality.
T16, 17, & 18 - 1
t; Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
TASK 22
INTERFEROMETER ASSEMBLY
Scheduled percentage of completion 100%
Actual percentage this date 75%
An improved interferometer design was bread-
boarded. The new design uses birefringent material,
specifically a Rochon prism, and half and quarter wave
plates, to eliminate the return beam to the laser. This
means that the interferometer light path can be short and
direct without the problem of a return beam interfering
with the operation of the laser internal servo system.
In addition, the short path will reduce the possibility of
flicker of the beam due to air refraction.
The final design has been laid out and is ready
for detailing. It is expected to be ready for installation
when the present software 'checkout phase is complete.
T22 - 1
fl
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
f:31
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
TASK 36
OVERALL ASSEMBLY
Scheduled percentage of completion 100%
Actual percentage this date 90%
The overall assembly of the Stereocomparator
Is essentially complete except for the exterior skin.
The equipment is presently in its final adjustment and
debugging phase.
T36 - 1
?=1 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
TASK 40
INSTALLATION
Scheduled percentage of completion 100%
Actual percentage this date 20%
In the recent inspection of the customer's install-
ation site, it was noted that the upper cable tray on the
left-hand side of the Stereocomparator interfered with
access for service for the left side main illumination
system. Drawing No. E8235B has been revised and
transmitted to the customer. This drawing shows the
suggested relocation of the interfering cable tray as
outlined above.
There is the possibility that modifications will
be required to the vibration absorption system beneath
the structural steel main frame of the Stereocomparator.
It is assumed that these changes can be made without
significant conflict with the installations beneath the
computer floor at the installation site.
T40 - 1
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
TASK 43
COMPUTER PROGRAMMING and SERVICES
Scheduled percentage of completion 100%
Actual percentage this date 93%
report on the status of the
computer program effort for the Stereocomparator is in-
cluded in the pag&s following. Their work of integration
and computer program test is well underway; however, a
very substantial effort is required before the pro-
gramming system can be considered complete and
satisfactory.
T43 - 1
7
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
LI Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
EXCERPTS from
MONTHLY PROGRESS REPORT
July, 1970
1. Work on this project was suspended while the
Stereocomparator hardware assembly was being
completed. In the last week of the month, work
was started on the software changes for the
expansion of core from 16 to 32K words.
The attached diagram shows the layout of core
that is planned now that the 32K word memory
Is available.
There are two modes of operating in the 32K
environment: extend and non-extend. Extend
mode allows access to all 32K of core, while
non-extend mode allows a program access only
to the half of core it is resident in. Since
Fortran-coded routines have no control over
their own mode of operation, they have been
put into upper core, where they can access
Common in the non-extend mode. Since DAP-
coded routines can control their mode, they
T43 - 2
STAT
fl
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
?
can reside in lower core and still access Com-
mon (in the extend mode). Certain DAP-coded
routines are used by both Fortran and DAP-coded
drivers; so these must go in upper core where
they will be accessible to Fortran in non-extend
mode. Certain library routines are used by
both Fortran and DAP routines; so for the same
reason must go into a special sector of high
core.
2. During August, the accommodation of the soft-
ware to the 32K environment will be completed.
The final integration of the Stereocomparator
program will then begin.
3. At this time there exist no pending unresolved
technical problems.
The programming for the project is 85% complete at this
time.
T43 - 3
k=i Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8
9
Common
Empty
Fortran
for
stereoscan
Certain Library routines
Certain DAP routines
Pseudo-base sector
Empty
DAP
for ,
ca 1 ibra tion/
diagnostic
DAP
for
stereoscan
Base sector
Figure 1. Core Layout for 32K
T43 - 4
32K
16K
EDeclassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010011-8