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Proj Projection

Bytes

MAP: 008/22–23; 006/05–06

Input Standards

MAP: Required if applicable. Two-character code. Default:

Definition

MAP, 006

If a map specifies a type of projection, enter the two-character code in Proj. If a map does not specify a projection, leave Proj blank.

Codes

Project not specified. No projection is specified on the item. Use for most globes.

Azimuthal

aa	Aitoff

ab	Gnomic

ac	Lambert's azimuthal equal area

ad	Orthographic

ae	Azimuthal equidistant

af	Stereographic

ag	General vertical near-sided

am	Modified stereographic for Alaska

an	Chamberlin trimetric

ap	Polar stereographic

au	Azimuthal, specific type unknown. Only the projection type (azimuthal) is known, not the specific projection.

az	Azimuthal, other. None of the other codes for azimuthal projections is appropriate.

Cylindrical

ba

Gall

bb	Goode's homolographic

bc	Lambert's cylindrical equal area

bd	Mercator

be	Miller

bf	Mollweide

bg	Sinusoidal

bh	Transverse Mercator

bi	Gauss-Kruger

bj	Equirectangular

bk	Krovak

bl	Cassini-Soldner

bo	Oblique Mercator

br	Robinson

bs	Space oblique Mercator

bu	Cylindrical, specific type unknown. Only the projection type (cylindrical) is known, not the specific projection.

bz	Cylindrical, other. None of the other codes for cylindrical projections is appropriate.

Conic

ca	Alber's equal area

cb

Bonne

cc	Lambert's conformal conic

ce	Equidistant conic

cp	Polyconic

cu	Conic, specific type unknown. Only the projection type (conic) is known, not the specific projection.

cz	Conic, other. None of the other codes for conic projections is appropriate.

Other projections

da	Armadillo

db	Butterfly

dc	Eckert

dd	Goode's homolosine

de	Miller's bipolar oblique conformal conic

df	Van Der Grinten

dg	Dymaxion

dh	Cordiform

dl	Lambert conformal

zz	Other. None of the other codes is appropriate.

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