Last Updated：2025/11/21
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When converting GPS coordinates for southern hemisphere maps, surveyors apply a false northing to avoid negative northing values.
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When converting GPS coordinates for southern hemisphere maps, surveyors apply a false northing to avoid negative northing values.
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Related words
false northing
Noun
(cartography)
A
value
relating
to
distance
north
of
a
standard
latitude
but
with
a
constant
added
to
make
the
numbers
convenient.
For
instance,
in
UTM,
the
Southern
Hemisphere
is
assigned
negative
degrees
of
latitude,
but
to
avoid
negative
numbers
in
northings,
a
constant
value
of
10,000,000
is
added
so
that
negative
numbers
for
northings
do
not
occur.
Japanese Meaning
（測地学・地図作成）基準となる緯度線から北へ移動する距離に、座標系上での数値を正に保つために一定の値（例えばUTMの南半球で使われる10,000,000）が加えられた値。
Related Words
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