System manages Deep Space Instrumentation Facilities /DSIF/ equipment construction and modification planning. Versatile program applies to such tasks as employee time and task schedules, pay schedules, operations schedules, and plant and equipment procurement, construction, modification or service

Flarity, L. D.

Hanson, R. J.

Thom, E. H.

English

NASA Technical Reports Server

July 1971	 Brief 71-10243 
NASA TECH BRIEF 
NASA Pasadena Office
	
_4V 
NASA Tech Briefs announce new technology derived from the U.S. space program. They are issued to encourage 
commercial application. Tech Briefs are available on a subscription basis from the National Technical Information 
Service, Springfield, Virginia 22151. Requests for individual copies or questions relating to the. Tech Brief program may 
be directed to the Technology Utilization Office, NASA, Code KT, Washington, D.C. 20546. 
DSIF Station Schedules 
The problem:	 60 weeks, or 60 months). A blank card at the rear 
To devise a scheduling system for managing of each station grouping triggers the program to read 
NASA's Deep Space Instrumentation Facilities (DSIF) a new control card This eliminates the need for 
Equipment Construction and Modification Planning. special coding or for coding that changes with each 
The scheduling program mathematically calculates 
periods of time in units of 90 days, 60 weeks, and 
60 months with read-in calendar dates and time 
durations of the tasks. It then represents these 
values with Hollerith characters and places them in 
an implied matrix. 
The outputs are selectable in increments of 90 
days, 60 weeks, or 60 months, and are sorted by 
station or subsystem number. A single control card, 
in front of each station grouping, designates the sort 
(station or subsystem) and the printout (90 days,
update. 
This program takes approximately one minute to 
compile. 
Notes: 
This program is written in FORTRAN V for use 
on the Sperry-Rand UNIVAC 1108, EXEC. 8. 
Requests for further information may be directed 
to:
COSMIC 
112 Barrow Hall 
University of Georgia 
Athens, Georgia 30601 
Reference: B71-10243 
Patent status: 
No patent action is contemplated by NASA. 
Source: E. H. Thom, L. D. Flarity, and

R. J. Hanson of

Jet Propulsion Laboratories

under contract to

NASA Pasadena Office

(N PO- 1 1547) 
The solution: 
A computer scheduling program, written specifically 
for the management of the system indicated. The 
result is an extremely versatile program with wide 
applicability to such tasks as employee time and task 
schedules, pay schedules, operations schedules, and 
. plant and equipment procurement, construction, modi- 
fication, or service. The program could be used by 
industrial concerns, utilities companies, and local 
and state governments and agencies, as well as by 
the military. 
How it's done: 
Category 09 
This document was prepared under the sponsorship of the National 	 Governmtht assumes any liability resulting from the use of the 
Aeronautics and Space Administration. Neither the United States
	 information contained in this document, or warrants that such use 
Government nor any person acting on behalf of the United States
	 will be free from privately ownedrights.
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DSIF station schedules

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