TM 5-6675-318-14
GLOSSARY - Cont
ABBREVIATION/TERM
DEFINITION
CW
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Continuous
wave.
Data Memory Registers . . . . . . . . . Portion of total memory registers used for
s t o r i n g d a t a .
Datum. . . . . . . . . . . . . . . . . Mathematical reference point at right angles
t o g r a v i t y .
Default Conditions . . . . . . . . . . Automatic parameters and conditions for pro-
gram statements set by factory.
Diplexing. . . . . . . . . . . . . . . Simultaneous reception of two radio signals.
Display Register . . . . . . . . . . . Stores current value of calculator display
i n t e r n a l l y t o 1 3 d i g i t s , r e g a r d l e s s o f h o w i t
i s r o u n d e d o f f f o r d i s p l a y p u r p o s e s . A l l
calculations performed use complete number.
Downloading. . . . . . . . . . . . . . Dumping copy of protected or Master Library
program into calculators program memory.
D A B . . . . . . . . . . . . . . . . . . D o u b l e - S i d e B a n d.
Earth Fixed Rectangular Coordinates . .
System of space rectangular coordinates with
axes X, Y, and Z having their origin at
center of spheroid.
Center of spheroid coin-
cides with center of mass of earth. Z-axis
is parallel to mean axis of rotation of earth
a n d i s p o s i t i v e t o N o r t h . X - a x i s i s p a r a l l el
to both mean equatorial and prime meridian
planes of earth and is positive toward
meridian of Greenwich.
Y - a x i s i s p a r a l l el
to mean equatorial plane, perpendicular to
plane of prime meridian and is positive
toward India.
ECMA . . . . . . . . . . . . . . . . . European Computer Manufacturers Association.
Ephemeris. . . . . . . . . . . . . . . Formatted statement of precise orbit
p o s i t i o n f o r s a t e l l i t e f o r r e g u l ar
i n t e r v a l s .
Flag . . . . . . . . . . . . . . . . .
I n t e r n a l s w i t c h o r i n d i c a t o r i n c a l c u l a t or
memory that can be ON (raised) or OFF
( l o w e r e d ) .
Flag that is set is ON.
Glossary 2