How can I determine the UTM zone of my digital orthophoto quadrangle (DOQ)? <!-- maps, geospatial data, aerial photograph -->
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USGS Frequently Asked Questions

Question: How can I determine the UTM zone of my digital orthophoto quadrangle (DOQ)?

Answer:

  • The UTM zone is indicated in the DOQ header. See the sample DOQ header for more information.
NEW FORMAT DOQ HEADER

BEGIN_USGS_DOQ_HEADER                                                         *
QUADRANGLE_NAME "SAN FRANCISCO NORTH"                    3.45 or 7.5-min. name*
QUADRANT SE                     quadrant indicator if cell size = 3.75-minutes*
WEST_LONGITUDE -122 26 15.000                signed deg min sec SDDD MM SS.SSS*
EAST_LONGITUDE -122 22 30.000                signed deg min sec SDDD MM SS.SSS*
NORTH_LATITUDE   37 48 45.000                signed deg min sec SDDD MM SS.SSS*
SOUTH_LATITUDE   37 45  0.000                signed deg min sec SDDD MM SS.SSS*
PRODUCTION_DATE 1995  5 12                                          yyyy mm dd*
RASTER_ORDER LEFT_RIGHT/TOP_BOTTOM                         video display order*
BAND_ORGANIZATION "SINGLE FILE"              single file or BSQ, or BIL or BIP*
BAND_CONTENT BLACK&WHITE;                         black&white; or red green blue*
BITS_PER_PIXEL  8                                       radiometric resolution*
SAMPLES_AND_LINES   6244  7578                      number of columns and rows*
HORIZONTAL_DATUM NAD83                                primary horizontal datum*
HORIZONTAL_COORDINATE_SYSTEM UTM                                              *
COORDINATE_ZONE     10                           coordinate system zone number*
HORIZONTAL_UNITS METERS                                coordinate system units*
HORIZONTAL_RESOLUTION  1.00                pixel horiz. ground sample distance*
SECONDARY_HORIZONTAL_DATUM NAD27                    secondary horizontal datum*
XY_ORIGIN   549116.000  4185496.000      coord. of upper left pixel pri. datum*
SECONDARY_XY_ORIGIN   549212.480  4185299.290 coord upper left pixel sec datum*
NATION US                                                          nation code*
STATE CA                                                        state fip code*
NW_QUAD_CORNER_XY   549511.760  4185160.810  XY coords. of pri. NW quad corner*
NE_QUAD_CORNER_XY   555013.110  4185195.760  XY coords. of pri. NE quad corner*
SE_QUAD_CORNER_XY   555059.450  4178261.410  XY coords. of pri. SE quad corner*
SW_QUAD_CORNER_XY   549553.470  4178226.480  XY coords. of pri. SW quad corner*
SECONDARY_NW_QUAD_XY   549512.990  4184955.590  XY coords. - sec. NW quad cor.*
SECONDARY_NE_QUAD_XY   555014.470  4184990.540  XY coords. - sec. NE quad cor.*
SECONDARY_SE_QUAD_XY   555060.820  4178056.350  XY coords. - sec. SE quad cor.*
SECONDARY_SW_QUAD_XY   549554.700  4178021.410  XY coords. - sec. SW quad cor.*
RMSE_XY  1.50                                              doq horiz. accuracy*
IMAGE_SOURCE "BLACK AND WHITE FILM"             b&w;, cir, natural color, other*
SOURCE_IMAGE_ID "NAPP 6365 46"                                 source image id*
SOURCE_IMAGE_DATE 1993  7 10                   source image date as yyyy mm dd*
SOURCE_DEM_DATE 1995  5 12                          source dem date yyyy mm dd*
AGENCY "WESTERN MAPPING CENTER (WMC)"                         oversight agency*
PRODUCER "WESTERN MAPPING CENTER"                          producer/contractor*
PRODUCTION_SYSTEM "DV2.5  10/94OV2.3 9/94"                   production system*
STANDARD_VERSION 1996 12                               version of DOQ standard*
METADATA_DATE 1997  3 21                   date created or changed, yyyy mm dd*
DATA_FILE_SIZE   47323276                               data set size in bytes*
BYTE_COUNT   6244                                            header byte count*
                                                                              *

Source of this FAQ:
http://mcmcweb.er.usgs.gov/gcras/digfaq.html#DOQ5

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