1 - NGA

I
I
Scale of 1:250,000.
standard ttm~ ltq wttch Wr@iBS with
apaclk ktep Acan’acy Standards end
gukfelhes.
standerd merldlo~l. The meridian used
for determining stendard time. 2. A merfdian of
o MSP PWW, afong whiih the scale ia aa
Sfetad.
stendard of iength-A physisal
representation of a linear unil that is apyovad
by oorrqrafent eurhority.
standerd paraflef-(JCS) A parallel on s map
or chart abng whiih the asda is as stated for
that map or chmt. 2. A parallel of Iatksfe used
In the computation of a map pmjecficm.
standard port-Sac roteronco station.
standard quadrangle-A quadrangle of e
apedfm series, conforming wtih the systematic
pertem of the aeriee.
standard station—See reference station.
., !.,’.., ,. .,.
at.endard ●urvoy-A survey wlich, in scale,
aocuracy, and conlenl. aati#les cxfteria
prescrifmd for such a suwey by competent
authority.
standard trmsbn-(teping) That tension or
pull at which a tape was standardized.
standard tlma-kleen solar time for a
selected meridian adopted for use Ihrougheut a
belt or zone.
standardization—The comperi~n of an
insfmrnent or devise with a atanderd to
determine the value of fhe instrument or device
in tarms of an adopted unit.
etendard-(JCS) An axact value, a physical
ent’w, or en abatrecl consept, aefablishwl and
defined by authority, cuatem, er common
consent to serve as a reference, model, or rule
in measuring quantities or qualitim: establishing
preoticee or procedures, er avaluatmg results. A
fried quantily or quality.
star chati-A chart or map of the caleafial
ephara showing principal stars which are useful
for ebeervationa for navigation or field
aatronomy.
MI L-H DBK-850
241
star fhxfar-A devbe to facilitate the
~~~ ~ -, partisdarfy fer IXIrpcmaa of
nevrgef”bn and geodet”k aetmrremy.
afer trail-A streak-like image of a star
mcordad on a stellar pfale by a phofogmphic
time exposure causad by the mtalbn of the
Earth.
start node-(digifal mapping) The firaf rd. of
an edga (m edga is Iravaraad fmm atetl neds
to end rrede).
etrrfilng controf-Control aveilable for the
absolute orientation et the first plate pair abng a
Iii. 54 fliiht fer which control is to be azlended.
stats baae map-A base map of the area of
a state as lhe unit used as a base upon which
data of a spacielized nature ate compiled or
overprinted.
atete coordlnato systems-lhe plane
racUrn@ar mwdinate eysterns aetebliihad by
the National Gec+etic Survey, orw for each
stale in the Unitad Statas, for use in defining
POSif;OrrSOf 9*etiC stations in terms of plane
rac+angular (x end y) coerdinetae, Ako called
atat6 ayatem of plana coordinates,
state system of plane coordlrratoa-See
attrte coordlnato aystteme.
state vector-A set of parameters that define
the position acd vefecity of an c@ct et a
spacifii time with respeci to a reterensa system.
static gravity meter—A type of gravity
instrument in which a linear or angular
dispfacamant k observed or nuffed by an
nppsing fome.
static marklnge-(photogremmetry) Marka on
photcgraphk negatives w other eamor imagery
caused by unwanted discharges of static
elect-.
station adj uatmsmt—The adjuat menf of
angle measurements at a triangulation or
traversa station 10 satisfy Iced requirements
(such a. horizon cbsure) without regard to
ebeewatiena or umditiem at other points. Also
celled local ●djuatmenf.
station error—See daflectlon of ths
vertlcel.