<?xml version="1.0" encoding="UTF-8"?>

<r2r:gravity xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://schema.rvdata.us/1.2 http://schema.rvdata.us/1.2/base.xsd"
        xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:r2r="http://schema.rvdata.us/1.2">
        <r2r:provenance>
                <r2r:create_date>2013-01-01T10:10:10Z</r2r:create_date>
                <r2r:create_name>Kinsey, James</r2r:create_name>
                <r2r:create_institution url="http://www.whoi.edu/">WHOI</r2r:create_institution>
        </r2r:provenance>
        <r2r:gravity_tie>
                <r2r:device_info>
                        <r2r:vessel_id>33AT</r2r:vessel_id>
                        <r2r:sensor_serial_number>11111</r2r:sensor_serial_number>
                        <r2r:sensor_make_id>Bell</r2r:sensor_make_id>
                        <r2r:sensor_model_id>BGM3</r2r:sensor_model_id>
                        <r2r:sensor_sampling_rate uom="second">1.0</r2r:sensor_sampling_rate>
                        <r2r:references>
                                <r2r:reference url="http://my_server/my_link.html">gravimeter installation information</r2r:reference>
                        </r2r:references>
                </r2r:device_info>
                <r2r:operations>
                        <r2r:operation>
                                <r2r:process version="1.0">gravityGUI</r2r:process>
                                <r2r:process_database_version>1.1</r2r:process_database_version>
                                <r2r:process_description>"Gravity tie and bias calculation interface"</r2r:process_description>
                                <r2r:process_source_institution url="http://www.whoi.edu/">WHOI</r2r:process_source_institution>
                                <r2r:operator_date>2013-01-01T10:10:10Z</r2r:operator_date>
                                <r2r:operator_name>Kinsey, James</r2r:operator_name>
                                <r2r:operator_institution url="http://www.whoi.edu/">WHOI</r2r:operator_institution>
                                <r2r:references>
                                        <r2r:reference url="http://my_server/my_link.html">manual for gravityGUI</r2r:reference>
                                </r2r:references>
                        </r2r:operation>
                </r2r:operations>
                <r2r:tie>
                        <r2r:tie_id>1010101</r2r:tie_id>
                        <r2r:tie_type>ship-to-shore</r2r:tie_type>
                        <r2r:tie_start_time>2013-01-01T10:10:10Z</r2r:tie_start_time>
                        <r2r:bias_accept_date>2013-01-01T11:10:10Z</r2r:bias_accept_date>
                        <r2r:scale_factor>.5</r2r:scale_factor>
                        <r2r:bias uom="mgal">.55555</r2r:bias>
                        <r2r:bias_confidence>HIGH</r2r:bias_confidence>
                        <r2r:vessel_gravimeter>
                                <r2r:port_name>Port Everglades</r2r:port_name>
                                <r2r:pier>1</r2r:pier>
                                <r2r:berth>A</r2r:berth>
                                <r2r:latitude>-50.55555</r2r:latitude>
                                <r2r:longitude>10.1000</r2r:longitude>
                                <r2r:height_above_surface uom="foot">-6.0</r2r:height_above_surface>
                                <r2r:number_gravity_samples_for_average>3600</r2r:number_gravity_samples_for_average>
                                <r2r:filtered_count_average>100000</r2r:filtered_count_average>
                                <r2r:count_filter>
                                        <r2r:filter_type>gaussian</r2r:filter_type>
                                        <r2r:filter_length>101</r2r:filter_length>
                                        <r2r:filter_description>a standard gaussian filter was used; blah, blah, blah</r2r:filter_description>
                                </r2r:count_filter>
                                <r2r:calibration_date>2010-01-01T10:10:10Z</r2r:calibration_date>
                                <r2r:calibration_institution>NavO</r2r:calibration_institution>
                        </r2r:vessel_gravimeter>
                        <r2r:pier_gravity_station>
                                <r2r:pier_gravity uom="mgal">5.5</r2r:pier_gravity>
                                <r2r:station_confidence>HIGH</r2r:station_confidence>
                                <r2r:station_number>100</r2r:station_number>
                                <r2r:station_name>my favorite tie location</r2r:station_name>
                                <r2r:station_latitude>-50.55555</r2r:station_latitude>
                                <r2r:station_longitude>10.1000</r2r:station_longitude>
                                <r2r:pier_heights>
                                        <r2r:pier_height>
                                                <r2r:date>2010-01-01T10:10:10Z</r2r:date>
                                                <r2r:water_height_to_pier uom="foot">10.1</r2r:water_height_to_pier>
                                        </r2r:pier_height>
                                        <r2r:pier_height>
                                                <r2r:date>2010-01-01T10:15:10Z</r2r:date>
                                                <r2r:water_height_to_pier uom="foot">10.3</r2r:water_height_to_pier>
                                        </r2r:pier_height>
                                        <r2r:pier_height>
                                                <r2r:date>2010-01-01T10:20:10Z</r2r:date>
                                                <r2r:water_height_to_pier uom="foot">10.5</r2r:water_height_to_pier>
                                        </r2r:pier_height>
                                </r2r:pier_heights>
                        </r2r:pier_gravity_station>
                        <r2r:pier_gravity_station>
                                <r2r:pier_gravity uom="mgal">5.5</r2r:pier_gravity>
                                <r2r:latitude>-50.55555</r2r:latitude>
                                <r2r:longitude>10.1000</r2r:longitude>
                                <r2r:distance_to_pier_station>5000</r2r:distance_to_pier_station>
                                <r2r:station_confidence>HIGH</r2r:station_confidence>
                                <r2r:station_number>100</r2r:station_number>
                                <r2r:station_name>my favorite tie location</r2r:station_name>
                        </r2r:pier_gravity_station>
                        <r2r:land_gravity_station/>
                        <r2r:references>
                                <r2r:reference url="http://my_server/my_link.html"> documentation for land tie</r2r:reference>
                        </r2r:references>
                </r2r:tie>
        </r2r:gravity_tie>
        <r2r:gravity_processing>
                <r2r:operations>
                        <r2r:operation>
                                <r2r:process version="1.0">r2r_grav_qa</r2r:process>
                                <r2r:process_description>quality assessment for marine gravity</r2r:process_description>
                                <r2r:process_source_institution url="http://www.rvdata.us/">R2R</r2r:process_source_institution>
                                <r2r:operator_date>2013-01-01T10:10:10Z</r2r:operator_date>
                                <r2r:operator_name>Suzanne O'Hara</r2r:operator_name>
                                <r2r:operator_institution url="http://www.rvdata.us/">R2R</r2r:operator_institution>
                                <r2r:references>
                                        <r2r:reference url="http://my_server/my_link.html">Plot of raw gravity data</r2r:reference>
                                </r2r:references>
                        </r2r:operation>
                </r2r:operations>
                <r2r:sensor_digitizing_rate uom="minute">.01</r2r:sensor_digitizing_rate>
                <r2r:theoretical_formula mgd77_code="1">Heiskanen 1924</r2r:theoretical_formula>
                <r2r:reference_system mgd77_code="2">Potsdam system</r2r:reference_system>
                <r2r:correction_applied uom="mgal/day">.075</r2r:correction_applied>
                <r2r:correction_method>drift was linearly interpolated between first and last tie using time</r2r:correction_method>
                <r2r:ties>
                        <r2r:tie>
                                <r2r:tie_id>101010101</r2r:tie_id>
                                <r2r:data_date>2013-01-02T01:01:01Z</r2r:data_date>
                        </r2r:tie>
                </r2r:ties>
        </r2r:gravity_processing>
        <r2r:events>
                <r2r:event>
                        <r2r:date>2013-01-02T01:01:01Z</r2r:date>
                        <r2r:event_type>gyro swap</r2r:event_type>
                        <r2r:comment>The right hand gyro was swapped out after it had an electrical failure</r2r:comment>
                </r2r:event>
        </r2r:events>
</r2r:gravity>
