Dataset Information

title: Gridded 10 minute MBARI Mooring M1 Sea Water Temperature and Salinity Observations
summary: These data have been gridded to the nearest 10 minutes from the original instrument files.
keywords: CTD,Sea Water Temperature, Sea Water Salinity, Monterey Bay, OASIS, CeNCOOS, MOOS
standard_name_vocabulary: CF-1.1
id: OS_M3_19990317_TS.nc
naming_authority: OceanSITES
keywords_vocabulary: GCMD Science Keywords
cdm_data_type: Station
creator_name: Fred Bahr
project: CeNCOOS
data_type: OceanSITES time-series data
format_version: 1.1
platform_code: M3
date_created: 2009-02-25T16:44:17Z
date_update: 2009-02-25T16:44:17Z
site_code: MB
institution: Monterey Bay Aquarium Research Institute
data_mode: D
quality_control_indicator: 1
quality_index: B
netcdf_version: 3.5
area: Eastern Pacific Ocean
references: http://www.mbari.org
geospatial_lat_min: 36.56
geospatial_lat_max: 36.56
geospatial_lon_min: -122.96
geospatial_lon_max: -122.96
geospatial_vertical_min: 1
geospatial_vertical_max: 300
geospatial_vertical_positive: down
time_coverage_start: 1999-03-17T23:44:00Z
time_coverage_stop: 2000-03-07T14:14:00Z
source: Mooring Observation
program: oceansites_cnv.m
version: 1.0
user: flbahr
host: elvis.shore.mbari.org
conventions: OceanSITES Manual 1.1, CF-1.1
institution_references: http://www.mbari.org/
contact: flbahr@mbari.org
author: Fred Bahr
pi_name: Dr. Francisco Chavez
comment:
unlimited_dimension: TIME
Unlimited_Dimension: TIME


Variables in this Dataset

TIME: Array of 64 bit Reals [TIME = 0..51207]
long_name: time
standard_name: time
units: seconds since 1970-01-01T00:00:00Z
FillValue: 9.000000000000000e+20
valid_min: 921714240.0000000
valid_max: 952438440.0000000
QC_indicator: 1.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.5000000000000000
axis: T
LATITUDE: Array of 64 bit Reals [LATITUDE = 0..0]
long_name: Latitude
standard_name: latitude
units: degrees_north
FillValue: 99999.00000000000
valid_min: -90.00000000000000
valid_max: 90.00000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: Y
comment: Nominal Latitude
LONGITUDE: Array of 64 bit Reals [LONGITUDE = 0..0]
long_name: Longitude
standard_name: longitude
units: degrees_east
FillValue: 99999.00000000000
valid_min: -180.0000000000000
valid_max: 180.0000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: X
comment: Nominal Longitude
modulo:
DEPTH: Array of 64 bit Reals [DEPTH = 0..10]
long_name: Depth
standard_name: depth
units: meters
positive: down
FillValue: -99999.00000000000
valid_min: 0.000000000000000
valid_max: 12000.00000000000
QC_indicator: 7.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.1000000000000000
axis: Z
comment: Nominal Depths
TEMP: Grid
long_name: Sea Water Temperature in-situ ITS-90 or IPTS-68 scale
standard_name: sea_water_temperature
units: Celsius
FillValue: -9.999999999999999e+33
missing_value: -9.999999999999999e+33
valid_min: 0.000000000000000
valid_max: 30.00000000000000
ancillary_variables: TEMP_QC
QC_indicator: 5.000000000000000
resolution: 0.001000000000000000
uncertainty: 0.002000000000000000
sensor_depth: 1 10 20 40 60 80 100 150 200 250 300
sensor_mount: mounted_on_surface_buoy and mounted_on_mooring_line
TEMP: Array of 32 bit Reals [TIME = 0..51207][DEPTH = 0..10][LATITUDE = 0..0][LONGITUDE = 0..0]
long_name: Sea Water Temperature in-situ ITS-90 or IPTS-68 scale
standard_name: sea_water_temperature
units: Celsius
FillValue: -9.999999999999999e+33
missing_value: -9.999999999999999e+33
valid_min: 0.000000000000000
valid_max: 30.00000000000000
ancillary_variables: TEMP_QC
QC_indicator: 5.000000000000000
resolution: 0.001000000000000000
uncertainty: 0.002000000000000000
sensor_depth: 1 10 20 40 60 80 100 150 200 250 300
sensor_mount: mounted_on_surface_buoy and mounted_on_mooring_line
TIME: Array of 64 bit Reals [TIME = 0..51207]
long_name: time
standard_name: time
units: seconds since 1970-01-01T00:00:00Z
FillValue: 9.000000000000000e+20
valid_min: 921714240.0000000
valid_max: 952438440.0000000
QC_indicator: 1.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.5000000000000000
axis: T
DEPTH: Array of 64 bit Reals [DEPTH = 0..10]
long_name: Depth
standard_name: depth
units: meters
positive: down
FillValue: -99999.00000000000
valid_min: 0.000000000000000
valid_max: 12000.00000000000
QC_indicator: 7.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.1000000000000000
axis: Z
comment: Nominal Depths
LATITUDE: Array of 64 bit Reals [LATITUDE = 0..0]
long_name: Latitude
standard_name: latitude
units: degrees_north
FillValue: 99999.00000000000
valid_min: -90.00000000000000
valid_max: 90.00000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: Y
comment: Nominal Latitude
LONGITUDE: Array of 64 bit Reals [LONGITUDE = 0..0]
long_name: Longitude
standard_name: longitude
units: degrees_east
FillValue: 99999.00000000000
valid_min: -180.0000000000000
valid_max: 180.0000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: X
comment: Nominal Longitude
modulo:
TEMP_QC: Grid
long_name: Quality Flag
standard_name: Quality Flag
units:
FillValue: 9.000000000000000
missing_value: 9.000000000000000
valid_min: 0.000000000000000
valid_max: 9.000000000000000
QC_indicator: 5.000000000000000
conventions: OceanSITES reference Table 2
flag_values: 0,1,2,3,4,5,7,8,9
TEMP_QC: Array of 32 bit Reals [TIME = 0..51207][DEPTH = 0..10][LATITUDE = 0..0][LONGITUDE = 0..0]
long_name: Quality Flag
standard_name: Quality Flag
units:
FillValue: 9.000000000000000
missing_value: 9.000000000000000
valid_min: 0.000000000000000
valid_max: 9.000000000000000
QC_indicator: 5.000000000000000
conventions: OceanSITES reference Table 2
flag_values: 0,1,2,3,4,5,7,8,9
TIME: Array of 64 bit Reals [TIME = 0..51207]
long_name: time
standard_name: time
units: seconds since 1970-01-01T00:00:00Z
FillValue: 9.000000000000000e+20
valid_min: 921714240.0000000
valid_max: 952438440.0000000
QC_indicator: 1.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.5000000000000000
axis: T
DEPTH: Array of 64 bit Reals [DEPTH = 0..10]
long_name: Depth
standard_name: depth
units: meters
positive: down
FillValue: -99999.00000000000
valid_min: 0.000000000000000
valid_max: 12000.00000000000
QC_indicator: 7.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.1000000000000000
axis: Z
comment: Nominal Depths
LATITUDE: Array of 64 bit Reals [LATITUDE = 0..0]
long_name: Latitude
standard_name: latitude
units: degrees_north
FillValue: 99999.00000000000
valid_min: -90.00000000000000
valid_max: 90.00000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: Y
comment: Nominal Latitude
LONGITUDE: Array of 64 bit Reals [LONGITUDE = 0..0]
long_name: Longitude
standard_name: longitude
units: degrees_east
FillValue: 99999.00000000000
valid_min: -180.0000000000000
valid_max: 180.0000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: X
comment: Nominal Longitude
modulo:
PSAL: Grid
long_name: Sea Water Salinity in-situ PSS 1978 scale
standard_name: sea_water_salinity
units:
FillValue: -9.999999999999999e+33
missing_value: -9.999999999999999e+33
valid_min: 0.000000000000000
valid_max: 38.00000000000000
ancillary_variables: PSAL_QC
QC_indicator: 5.000000000000000
resolution: 0.001000000000000000
uncertainty: 0.002000000000000000
sensor_depth: 1 10 20 40 60 80 100 150 200 250 300
sensor_mount: mounted_on_surface_buoy and mounted_on_mooring_line
PSAL: Array of 32 bit Reals [TIME = 0..51207][DEPTH = 0..10][LATITUDE = 0..0][LONGITUDE = 0..0]
long_name: Sea Water Salinity in-situ PSS 1978 scale
standard_name: sea_water_salinity
units:
FillValue: -9.999999999999999e+33
missing_value: -9.999999999999999e+33
valid_min: 0.000000000000000
valid_max: 38.00000000000000
ancillary_variables: PSAL_QC
QC_indicator: 5.000000000000000
resolution: 0.001000000000000000
uncertainty: 0.002000000000000000
sensor_depth: 1 10 20 40 60 80 100 150 200 250 300
sensor_mount: mounted_on_surface_buoy and mounted_on_mooring_line
TIME: Array of 64 bit Reals [TIME = 0..51207]
long_name: time
standard_name: time
units: seconds since 1970-01-01T00:00:00Z
FillValue: 9.000000000000000e+20
valid_min: 921714240.0000000
valid_max: 952438440.0000000
QC_indicator: 1.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.5000000000000000
axis: T
DEPTH: Array of 64 bit Reals [DEPTH = 0..10]
long_name: Depth
standard_name: depth
units: meters
positive: down
FillValue: -99999.00000000000
valid_min: 0.000000000000000
valid_max: 12000.00000000000
QC_indicator: 7.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.1000000000000000
axis: Z
comment: Nominal Depths
LATITUDE: Array of 64 bit Reals [LATITUDE = 0..0]
long_name: Latitude
standard_name: latitude
units: degrees_north
FillValue: 99999.00000000000
valid_min: -90.00000000000000
valid_max: 90.00000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: Y
comment: Nominal Latitude
LONGITUDE: Array of 64 bit Reals [LONGITUDE = 0..0]
long_name: Longitude
standard_name: longitude
units: degrees_east
FillValue: 99999.00000000000
valid_min: -180.0000000000000
valid_max: 180.0000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: X
comment: Nominal Longitude
modulo:
PSAL_QC: Grid
long_name: Quality Flag
standard_name: Quality Flag
units:
FillValue: 9.000000000000000
missing_value: 9.000000000000000
valid_min: 0.000000000000000
valid_max: 9.000000000000000
QC_indicator: 5.000000000000000
conventions: OceanSITES reference Table 2
flag_values: 0,1,2,3,4,5,7,8,9
PSAL_QC: Array of 32 bit Reals [TIME = 0..51207][DEPTH = 0..10][LATITUDE = 0..0][LONGITUDE = 0..0]
long_name: Quality Flag
standard_name: Quality Flag
units:
FillValue: 9.000000000000000
missing_value: 9.000000000000000
valid_min: 0.000000000000000
valid_max: 9.000000000000000
QC_indicator: 5.000000000000000
conventions: OceanSITES reference Table 2
flag_values: 0,1,2,3,4,5,7,8,9
TIME: Array of 64 bit Reals [TIME = 0..51207]
long_name: time
standard_name: time
units: seconds since 1970-01-01T00:00:00Z
FillValue: 9.000000000000000e+20
valid_min: 921714240.0000000
valid_max: 952438440.0000000
QC_indicator: 1.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.5000000000000000
axis: T
DEPTH: Array of 64 bit Reals [DEPTH = 0..10]
long_name: Depth
standard_name: depth
units: meters
positive: down
FillValue: -99999.00000000000
valid_min: 0.000000000000000
valid_max: 12000.00000000000
QC_indicator: 7.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.1000000000000000
axis: Z
comment: Nominal Depths
LATITUDE: Array of 64 bit Reals [LATITUDE = 0..0]
long_name: Latitude
standard_name: latitude
units: degrees_north
FillValue: 99999.00000000000
valid_min: -90.00000000000000
valid_max: 90.00000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: Y
comment: Nominal Latitude
LONGITUDE: Array of 64 bit Reals [LONGITUDE = 0..0]
long_name: Longitude
standard_name: longitude
units: degrees_east
FillValue: 99999.00000000000
valid_min: -180.0000000000000
valid_max: 180.0000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: X
comment: Nominal Longitude
modulo:
CNDC: Grid
long_name: Sea Water Electrical Conductivity in-situ
standard_name: sea_water_electrical_conductivity
units: Siemens/m
FillValue: -9.999999999999999e+33
missing_value: -9.999999999999999e+33
valid_min: 0.000000000000000
valid_max: 30.00000000000000
ancillary_variables: CNDC_QC
QC_indicator: 5.000000000000000
resolution: 0.001000000000000000
uncertainty: 0.002000000000000000
sensor_depth: 1 10 20 40 60 80 100 150 200 250 300
sensor_mount: mounted_on_surface_buoy and mounted_on_mooring_line
CNDC: Array of 32 bit Reals [TIME = 0..51207][DEPTH = 0..10][LATITUDE = 0..0][LONGITUDE = 0..0]
long_name: Sea Water Electrical Conductivity in-situ
standard_name: sea_water_electrical_conductivity
units: Siemens/m
FillValue: -9.999999999999999e+33
missing_value: -9.999999999999999e+33
valid_min: 0.000000000000000
valid_max: 30.00000000000000
ancillary_variables: CNDC_QC
QC_indicator: 5.000000000000000
resolution: 0.001000000000000000
uncertainty: 0.002000000000000000
sensor_depth: 1 10 20 40 60 80 100 150 200 250 300
sensor_mount: mounted_on_surface_buoy and mounted_on_mooring_line
TIME: Array of 64 bit Reals [TIME = 0..51207]
long_name: time
standard_name: time
units: seconds since 1970-01-01T00:00:00Z
FillValue: 9.000000000000000e+20
valid_min: 921714240.0000000
valid_max: 952438440.0000000
QC_indicator: 1.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.5000000000000000
axis: T
DEPTH: Array of 64 bit Reals [DEPTH = 0..10]
long_name: Depth
standard_name: depth
units: meters
positive: down
FillValue: -99999.00000000000
valid_min: 0.000000000000000
valid_max: 12000.00000000000
QC_indicator: 7.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.1000000000000000
axis: Z
comment: Nominal Depths
LATITUDE: Array of 64 bit Reals [LATITUDE = 0..0]
long_name: Latitude
standard_name: latitude
units: degrees_north
FillValue: 99999.00000000000
valid_min: -90.00000000000000
valid_max: 90.00000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: Y
comment: Nominal Latitude
LONGITUDE: Array of 64 bit Reals [LONGITUDE = 0..0]
long_name: Longitude
standard_name: longitude
units: degrees_east
FillValue: 99999.00000000000
valid_min: -180.0000000000000
valid_max: 180.0000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: X
comment: Nominal Longitude
modulo:
CNDC_QC: Grid
long_name: Quality Flag
standard_name: Quality Flag
units:
FillValue: 9.000000000000000
missing_value: 9.000000000000000
valid_min: 0.000000000000000
valid_max: 9.000000000000000
QC_indicator: 5.000000000000000
conventions: OceanSITES reference Table 2
flag_values: 0,1,2,3,4,5,7,8,9
CNDC_QC: Array of 32 bit Reals [TIME = 0..51207][DEPTH = 0..10][LATITUDE = 0..0][LONGITUDE = 0..0]
long_name: Quality Flag
standard_name: Quality Flag
units:
FillValue: 9.000000000000000
missing_value: 9.000000000000000
valid_min: 0.000000000000000
valid_max: 9.000000000000000
QC_indicator: 5.000000000000000
conventions: OceanSITES reference Table 2
flag_values: 0,1,2,3,4,5,7,8,9
TIME: Array of 64 bit Reals [TIME = 0..51207]
long_name: time
standard_name: time
units: seconds since 1970-01-01T00:00:00Z
FillValue: 9.000000000000000e+20
valid_min: 921714240.0000000
valid_max: 952438440.0000000
QC_indicator: 1.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.5000000000000000
axis: T
DEPTH: Array of 64 bit Reals [DEPTH = 0..10]
long_name: Depth
standard_name: depth
units: meters
positive: down
FillValue: -99999.00000000000
valid_min: 0.000000000000000
valid_max: 12000.00000000000
QC_indicator: 7.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.1000000000000000
axis: Z
comment: Nominal Depths
LATITUDE: Array of 64 bit Reals [LATITUDE = 0..0]
long_name: Latitude
standard_name: latitude
units: degrees_north
FillValue: 99999.00000000000
valid_min: -90.00000000000000
valid_max: 90.00000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: Y
comment: Nominal Latitude
LONGITUDE: Array of 64 bit Reals [LONGITUDE = 0..0]
long_name: Longitude
standard_name: longitude
units: degrees_east
FillValue: 99999.00000000000
valid_min: -180.0000000000000
valid_max: 180.0000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: X
comment: Nominal Longitude
modulo:
PRES: Grid
long_name: Sea Water Pressure in-situ
standard_name: sea_water_pressure
units: decibars
FillValue: -9.999999999999999e+33
missing_value: -9.999999999999999e+33
valid_min: 0.000000000000000
valid_max: 30.00000000000000
ancillary_variables: PRES_QC
QC_indicator: 5.000000000000000
resolution: 0.001000000000000000
uncertainty: 0.002000000000000000
sensor_depth: 1 10 20 40 60 80 100 150 200 250 300
sensor_mount: mounted_on_surface_buoy and mounted_on_mooring_line
PRES: Array of 32 bit Reals [TIME = 0..51207][DEPTH = 0..10][LATITUDE = 0..0][LONGITUDE = 0..0]
long_name: Sea Water Pressure in-situ
standard_name: sea_water_pressure
units: decibars
FillValue: -9.999999999999999e+33
missing_value: -9.999999999999999e+33
valid_min: 0.000000000000000
valid_max: 30.00000000000000
ancillary_variables: PRES_QC
QC_indicator: 5.000000000000000
resolution: 0.001000000000000000
uncertainty: 0.002000000000000000
sensor_depth: 1 10 20 40 60 80 100 150 200 250 300
sensor_mount: mounted_on_surface_buoy and mounted_on_mooring_line
TIME: Array of 64 bit Reals [TIME = 0..51207]
long_name: time
standard_name: time
units: seconds since 1970-01-01T00:00:00Z
FillValue: 9.000000000000000e+20
valid_min: 921714240.0000000
valid_max: 952438440.0000000
QC_indicator: 1.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.5000000000000000
axis: T
DEPTH: Array of 64 bit Reals [DEPTH = 0..10]
long_name: Depth
standard_name: depth
units: meters
positive: down
FillValue: -99999.00000000000
valid_min: 0.000000000000000
valid_max: 12000.00000000000
QC_indicator: 7.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.1000000000000000
axis: Z
comment: Nominal Depths
LATITUDE: Array of 64 bit Reals [LATITUDE = 0..0]
long_name: Latitude
standard_name: latitude
units: degrees_north
FillValue: 99999.00000000000
valid_min: -90.00000000000000
valid_max: 90.00000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: Y
comment: Nominal Latitude
LONGITUDE: Array of 64 bit Reals [LONGITUDE = 0..0]
long_name: Longitude
standard_name: longitude
units: degrees_east
FillValue: 99999.00000000000
valid_min: -180.0000000000000
valid_max: 180.0000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: X
comment: Nominal Longitude
modulo:
PRES_QC: Grid
long_name: Quality Flag
standard_name: Quality Flag
units:
FillValue: 9.000000000000000
missing_value: 9.000000000000000
valid_min: 0.000000000000000
valid_max: 9.000000000000000
QC_indicator: 5.000000000000000
conventions: OceanSITES reference Table 2
flag_values: 0,1,2,3,4,5,7,8,9
PRES_QC: Array of 32 bit Reals [TIME = 0..51207][DEPTH = 0..10][LATITUDE = 0..0][LONGITUDE = 0..0]
long_name: Quality Flag
standard_name: Quality Flag
units:
FillValue: 9.000000000000000
missing_value: 9.000000000000000
valid_min: 0.000000000000000
valid_max: 9.000000000000000
QC_indicator: 5.000000000000000
conventions: OceanSITES reference Table 2
flag_values: 0,1,2,3,4,5,7,8,9
TIME: Array of 64 bit Reals [TIME = 0..51207]
long_name: time
standard_name: time
units: seconds since 1970-01-01T00:00:00Z
FillValue: 9.000000000000000e+20
valid_min: 921714240.0000000
valid_max: 952438440.0000000
QC_indicator: 1.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.5000000000000000
axis: T
DEPTH: Array of 64 bit Reals [DEPTH = 0..10]
long_name: Depth
standard_name: depth
units: meters
positive: down
FillValue: -99999.00000000000
valid_min: 0.000000000000000
valid_max: 12000.00000000000
QC_indicator: 7.000000000000000
QC_procedure: 5.000000000000000
uncertainty: 0.1000000000000000
axis: Z
comment: Nominal Depths
LATITUDE: Array of 64 bit Reals [LATITUDE = 0..0]
long_name: Latitude
standard_name: latitude
units: degrees_north
FillValue: 99999.00000000000
valid_min: -90.00000000000000
valid_max: 90.00000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: Y
comment: Nominal Latitude
LONGITUDE: Array of 64 bit Reals [LONGITUDE = 0..0]
long_name: Longitude
standard_name: longitude
units: degrees_east
FillValue: 99999.00000000000
valid_min: -180.0000000000000
valid_max: 180.0000000000000
QC_indicator: 7.000000000000000
QC_procedure: 0.000000000000000
uncertainty: 0.01000000000000000
axis: X
comment: Nominal Longitude
modulo: