1 - NGA

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ffwworki
worfd @Yoonlc grid-A grkJ eystem in tii
a grid narWxfl is Ms!fren’dcahy derived frem
ekwnarda d a polysonis pjedion.
writo 8nco, raad many (WORM)-1. A
k disc Syafsm for Cusfern data bsae
oreafion. Thediss ssnbeencoded entyenca
by tha user but may be reed an unfhmifad
nin’dmr d tirrws. WORM * are not
OXIW@bb tih a CO-ROM disc ptsyer. 2. A
werm is a software pregram that oopies itaeff
from one systwn to another, uauaffy without the
syatams uaem Imewkdge, if may also cause
harm to a system, e.g., by desrmying fiha.
wrong-roadlng—A descriptive term for an
irnagewtidr isemwfad ermkrwknsgsdthe
eriginal. Other teana. cwch as reverse reading,
etc., ere aematimes us6d to idenfii image
duecfion bbl are not rewmnded because ef
peaable confusion m film negativ-p@ttie
rsiatienahp.
WWV tlm.-Ascurstely controlled tires signala
transmitted frem stations (radii) WWV in
Cderada and WWVH in Hswaii. Tfwse stat”ons
bm4caE4 UTC (universal time coerdiifed)
tii ia offset trem Al by e variatie amount
dslermined ennushy before the atarf d the year.
Ths epcch is shifted in “bwrements c4 100
miltii if if departs km far from UT2.
WY. (Y) lavel-A leveling instrument having
the teles@pe, with attached epkif level,
SUPPOftSd in Y-shaped bearings. The teleawpe
osn be rotatsd about its Ierrgiiudiil asia
(a.llimstion axis) and il can be Iiied and
reversed, end for end, for testing and
ad]ustrrwnt. Alse sailed Y level.
MI L-HDBK-850
281