1 - NGA

MIL-HDBK-850
wading rod-A rod, gmduafad in bat snd
larihs c4 feat, used for @ream gaging in ahaflew
wster.
wall map-A spscisf-purpow map of a targa
ama daaignad IO be dkpfayad on a waff.
w8ndor—Sas zpparant preooaalon.
want of eorreapondcmee-%e y-psraflax.
warpad mocpl-hy spatial rrrodal wtkh, due
to PWOW@UO dielfnthma or wiantdon errors.
haeamodef datunrwhich iadsfermedor
otherwise inaopabls of behg leveled. see also
flat model.
water leveling-A mallwd of obtaining
rale~e abvationa by obaating heights with
rs%=f to the aurtace d a tmdy of stilf wstar.
water atape recordor-An autornstk
r- kwtrumant wirkh rwwrds the ~e *M
tall d the wstar surfacs at s atrasm gaging
station.
wavelength--9 usntilafive apeeifketion of
kinds of radsrd energy. %s ak dominant
Wavolongth.
waving the rod-in leveling, a techn’que
whweby the rodrnan slowty pivots the ksvafhg
rod toward and away fmm Ihs instrument
poaitim The least reading obtainable is the
propar orw to be rwxrrded.
waathar rnap+JCS) A map showing tha
I weather aonditii prsvrding, or predicted 10
I
I
I
Pfma, ovswa sonddersbla araa. Usually, the
rnep is baaed upon westher observations taken
atthaaama Wnestanumberc4 atatkma.AlaO
called ●urfaaa charta; ●ynoptlc chert.
see also map.
waber—(gsomsgneiism) Unit of magnali flux.
In the mks Wstem, 1 weber = 1 pulalamp = 1
kgm2/arrrp .s&.
wedg+optics) A rt#mcting prism of very smsfl
deviation, swh as those used in the eyepieces
of some stemoacopaa. Ataa called 0ptlc8/
wedge.
w
279
weight fasturaa-l%e process of
syatwnslicdly hcmasing the value d IS
padiwlsrdats akwnsr$ ordamantaaoaato
give that akwnanf more aigniticara in the
Snsly.da m .kwtatkme.
walghted mami-A value obtained by
mWW~*da-*d VdUSSbykS
assigned weight and dividing the awn of those
pruducfs by the sum d the waighte.
weight—The ralatiie wIua of an observation,
aourc.a, or qusntity vhwr oorqmmd tih @her
ebservaliona, sources, or qusntdiaa of the aams
or ralatad quanfkii. l-ha Vafua ~fJY
ths most reliable rnsthod is &Qti the
grsatesf weight.
Werner map projectlo~A particufsr caae
of the Bonne map prujectii. in which the
standard psrsllaf is al the pole, end the tangent
cone bamrnaa a tangent pisrw. Any one
geographk rneridiin is cheaen w the centml
meridian and reprasenlad L7ye atrsight &rm,
dwided to axsct scsie. The gsogmphia psrallefs
are raprssamOd bf circular ems, also diviisd 10
exact scale, and the olhsr meridiins are UJrvad
lines.
wast point-see prfma vertiaal plane.
woatlng—See daparture, definitkrn 1.
wide-angla lwt~ lane hsving an angle of
covaraga between 76” end 100”. A bna whose
focsl length is equal to a~roximstaly or#raff
the dmgonal of the format.
wlggflng-fn on firm-..see doubfo
centering.
wlgglJnp-in—A survey proaadura ussd whsn it
is ~ry to astabtish a point, exsdfy am line
befwean two confrvf poinfe nafthar of titi san
be oocupied. If is sssanfialty a tr%d-and-armr
fecfrrriqua where repeated lore end beck
raadinga are taken and the instrument shifted
after each pair of readtrrge until exadfy in tine
with the etaliene. Also called ranging-lrr.
wind rosa-l. A diagram showing the relat”kfe
frsquancy of winds blowing from differsnt
directions. It may also ahow avarsge apssd or