METEOROLOGY DATA

 

RM Young Air Sensor

 

The RM Young Air Sensor outputs 1 NMEA string:

 

XDR � Weather Information

05/25/2002,00:00:09.764

$WIXDR,C, -0.9,C,TEMP,C,H, 97,H,%RH,C, -1.2,P,1013,hPa,BARO,A,-35,D,ELV,D, 0.3,mm,PRECIP

FIELD

DATA

UNITS

1

SCS Date and Time

 

2

$WIXDR

 

4

Air Temperature

Celcius

9

Relative Humidity

Percent

13

Dew Point Temperature

Celcius

15

Barometer

hPa

19

Elevation

Meters

 

RM Young Mechanical Wind

 

The RM Young Mech Wind Sensor outputs 1 NMEA string:

 

MWV- Wind Direction/Speed

05/27/2002,00:00:31.443,$WIMWV,167,R,015.3,N,A

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPGLL

 

3

Latitude

ddmm.ssss

4

North or South

 

5

Longitude

dddmm.ssss

6

East or West

 

7

UTC of Position

hhmmss.sss

8

Status of data (A=valid)

 

9

Checksum

 

 

RM Young Ultrasonic Wind

 

The RM Young Ultrsonic Wind Sensor outputs 1 NMEA string

 

MWV � Wind Direction/Speed

05/17/2002,00:01:19.572,$WIMWV,� 0,R, 0.0,N,A

FIELD

DATA

UNITS

1

SCS Date and Time

 

2

$WIMWV

 

3

Wind Direction

Degrees

4

R = Relative

 

5

Wind Speed

knots

6

N = Knots

 

7

A = Data Valid

 

 

True Wind (Derived)

 

True Wind is Derived using the RM Young Mechanical Wind sensor and COG/SOG

05/27/2002,00:00:26.583,0015.9,0115.8

FIELD

DATA

UNITS

1

SCS Date and Time

 

2

Wind Speed

Knots

3

Wind Direction

Degrees

 

OCEANOGRAPHIC DATA

 

Seabeam Centerbeam information

 

The Seabeam outputs 1 NMEA string:

 

CTR � Centerbeam Information

05/27/2002,00:01:40.567
$SBCTR,2002,5,27,00:01:34.757,72.871948,-158.265277,1060.30,102*00

FIELD

DATA

UNITS

1

SCS Date and Time

 

2

$WIXDR

 

4

Air Temperature

Celcius

9

Relative Humidity

Percent

13

Dew Point Temperature

Celcius

15

Barometer

hPa

19

Elevation

Meters

 

 

ADCP 75khz and ADCP 150khz (Current Profilers)

 

The ADCPs write to a local hard drive and are backed up to the Server via network.

 

Listed below is information about the files and their extensions

 

FILE NAME

FILE FORMAT

FILE EXTENSION

DEFINITION

PROGRAM REQUIRED

hy0201001_000000

DeployName/Sequence #

.ENR

Raw Binary ADCP Data

Vmdas/Visual Basic?

hy0201001_000001

DeployName/Sequence #

.ENS

Binary Adcp Data

Vmdas/Visual Basic?

hy0201001_000002

DeployName/Sequence #

.ENX

Binary Ensemble Data

Vmdas/Visual Basic?

hy0201001_000003

DeployName/Sequence #

.STA

short term average

Vmdas/Visual Basic?

hy0201001_000004

DeployName/Sequence #

.LTA

long term average

Vmdas/Visual Basic?

hy0201001_000005

DeployName/Sequence #

.N1R

Raw NMEA ASCII

Vmdas/Visual Basic?

hy0201001_000006

DeployName/Sequence #

.N2R

Raw NMEA ASCII

Vmdas/Visual Basic?

hy0201001_000007

DeployName/Sequence #

.NMS

Averaged Nav Data

Vmdas/Visual Basic?

hy0201001_000008

DeployName/Sequence #

.VMO

Copy of .ini

Vmdas/Visual Basic?

hy0201001_000009

DeployName/Sequence #

.LOG

Log File

Vmdas/Visual Basic?

 

NAVIGATIONAL DATA

Ashtech 3d GPS

 

The Ashtech GPS outputs three NMEA data Strings:

 

GGA- GPS Position Fix

05/05/2002,19:33:19.082,

$GPGGA, 193316.00� ,6425.9899, N ,16523.6547, W,1,08,01.2+00051,M, , M,,*62

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPGGA

 

3

UTC time at Position

hhmmss.ss

4

Latitude

ddmm.ssss

5

North (N) or South(S)

 

6

Longitude

dddmm.ssss

7

East (E) or West (W)

 

8

GPS Quality:
������������������� 1 = GPS
������������������� 2=DGPS

 

9

Number of GPS Satellites Used

 

10

HDOP (horizontal dilution of precision)

 

11

Antenna height

meters

12

M for Meters

 

13

Geoidal Height (no data in the sample string)

meters

14

M for Meters

 

15

Age of Diff. GPS Data (no data in sample string)

 

16

Differential reference station� ID (no data in sample string)

 

17

Checksum (no delimiter before this field)

 

 

GLL- Latitude/Longitude)

05/24/2002,00:01:15.402

$GPGLL, 7327.9307,N, 15738.7552,W, 000114.00,A*13

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPGLL

 

3

Latitude

ddmm.ssss

4

North or South

 

5

Longitude

dddmm.ssss

6

East or West

 

7

UTC of Position

hhmmss.sss

8

Status of data (A=valid)

 

9

Checksum

 

 

HDT - Heading

05/25/2002,00:00:08.373 ,$GPHDT,188.240,T*32

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPHDT

 

3

Heading XXXXXX= ddd.ddd

Degrees

4

True(T), Magnetic(M)

 

5

Checksum

 

 

Trimble P-Code GPS (Bridge)

 

The Pcode GPS outputs three NMEA data Strings:

 

GGA- GPS Position Fix

05/22/2002,00:00:14.990,

$GPGGA,000014.00,7342.461,N,15909.578,W,3,04,1.220,21.82,M,0.035,M,,*4C

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPGGA

 

3

UTC time at Position

hhmmss.ss

4

Latitude

ddmm.ssss

5

North(N) or South(S)

 

6

Longitude

ddmm.ssss

7

East(E) or West (W)

 

8

GPS Quality:
������������� 0= Fix not available
������������� 1= GPS,SPS Mode, fix valid
������������� 2=DGPS (differential GPS) SPS mode, fix valid
������������� 3=P-Code PPS Mode, Fix valid

 

9

Number of GPS Satellites Used

 

10

HDOP (horizontal dilution of precision)

 

11

Antenna height

meters

12

M for Meters

 

13

Geoidal Height

meters

14

M for Meters

 

15

Differential reference station� ID (no data in sample string)

 

16

Checksum (no delimiter before this field

 

 

GLL- Latitude/Longitude

05/23/2002,00:00:07.186,

$GPGLL, 7346.333,N,15903.654,W,000006.00,A*1C

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPGLL

 

3

Latitude

ddmm.sss

4

North or South

 

5

Longitude

dddmm.sss

6

East or West

 

7

UTC of Position

hhmmss.sss

8

Status of data (A=valid)

 

9

Checksum

 

 

 

VTG � Track and ground speed

05/24/2002,00:09:51.389, $GPVTG, 215.8,T,192.5,M,1.06,N,1.96,K*46

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPVTG

 

3

Heading

Degrees

4

Degrees true (T)

ddd.d

5

Heading

Degrees

6

Degrees magnetic (M)

ddd.d

7

Ship Speed

knots

8

N=Knots

 

9

Ship Speed

km/hr

10

K=KM per hour

 

 

Trimble P-Code GPS (AFT)

 

The Pcode GPS outputs three NMEA data Strings:

 

GGA- GPS Position Fix

05/22/2002,00:00:14.990,

$GPGGA,000014.00,7342.461,N,15909.578,W,3,04,1.220,21.82,M,0.035,M,,*4C

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPGGA

 

3

UTC time at Position

hhmmss.sss

4

Latitude

ddmm.sss

5

North (N) or South(S)

 

6

Longitude

ddmm.sss

7

East (E) or West (W)

 

8

GPS Quality:
����������� 0= Fix not available
��������� ��1= GPS,SPS Mode, fix valid
����������� 2=DGPS (differential GPS) SPS mode, fix valid
����������� 3=P-Code PPS Mode, Fix valid

 

9

Number of GPS Satellites Used

 

10

HDOP (horizontal dilution of precision)

 

11

Antenna height

meters

12

M for Meters

 

13

Geoidal Height

meters

14

M for Meters

 

15

Differential reference station� ID (no data in sample string)

 

16

Checksum (no delimiter before this field

 

 

GLL- Latitude/Longitude

05/23/2002,00:00:07.186,

$GPGLL, 7346.333,N, 15903.654,W,000006.00,A*1C

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPGLL

 

3

Latitude

ddmm.sss

4

North or South

 

5

Longitude

dddmm.sss

6

East or West

 

7

UTC of Position

hhmmss.sss

8

Status of data (A=valid)

 

9

Checksum

 

 

VTG � Track and Ground speed

05/23/2002,00:00:07.186

$GPGLL, 7346.333,N, 15903.654,W,000006.00,A*1C

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPVTG

 

3

Heading

Degrees

4

Degrees true(T)

ddd.d

5

Heading

degrees

6

Degrees magnetic(M)

ddd.d

7

Ship Speed

knots

8

N=Knots

 

9

Ship Speed

km/hr

10

K=KM per hour

 

GLONASS GPS

 

The Glonass GPS outputs three NMEA data Strings:

 

GGA � GPS Position Fix

05/25/2002,00:00:38.246,

$GPGGA,000038.00 ,7312.993183,N,15809.471674,W,1,3,2.0,39.894,M,-1.79,M,,*55

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPGGA

 

3

UTC time at Position

hhmmss.ss

4

Latitude

ddmm.mmmmmm

5

North(N) or South(S)

 

6

Longitude

dddmm.mmmmmm

7

East(E) or West (W)

 

8

GPS Quality:
�������������� 0= Fix not available
������������� �1= GPS,SPS Mode, fix valid,
�������������� 2=DGPS (differential GPS) SPS mode, fix valid
�������������� 3=P-Code PPS Mode, Fix valid

 

9

Number of GPS Satellites Used

 

10

HDOP (horizontal dilution of precision)

 

11

Antenna height

meters

12

M for Meters

 

13

Geoidal Height

meters

14

M for Meters

 

15

Differential reference station� ID (no data in sample string)

 

16

Checksum (no delimiter before this field

 

 

GLL- Latitude/Longitude

05/20/2002,00:00:28.086

$GPGLL, 7319.11259,N, 16012.78866,W,000028.00,A*1D

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$GPGLL

 

3

Latitude

ddmm.mmmmm

4

North or South

 

5

Longitude

dddmm.mmmmm

6

East or West

 

7

UTC of Position

hhmmss.ss

8

Status of data (A=valid)

 

9

Checksum

 

 

Gyro, Compass

05/27/2002,00:02:53.924,$HEHDT,321.492,T*20

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$HEHDT

 

3

Heading XXXXXX = ddd.ddd

degrees

4

Degrees true (T)

 

5

Checksum

 

 

Sperry SpeedLog

05/28/2002,00:00:20.834,$VDVBW,-0.07,-0.53,A,,,V*47

FIELD

DATA

UNITS

1

SCS Date/Time Tag

 

2

$VDVBW

 

3

Longitudinal Water Speed� - = astern

knots

4

Transverse Water Speed� - = port

knots

5

A= Data Valid� V=Invalid

 

10

Checksum

 

 

MISC.

Winch and Wire Information

 

The Winch Data Collection outputs 1 NMEA string:

 

SDN � Winch Information:

05/17/2002,00:01:04.775

$ISSDN,LT1,+0,LS1,+0,AS1,+0,DS1,+0,WI1,0,ET1,0:0.0,LT2,+0,LS2,+0,AS2,+0,DS2,+0,

WI2,2,ET2,0:0.0,SWCP,+12.90,SWCT,+63.00*

FIELD

DATA

UNITS

1

SCS Date

 

2

SCS Time

 

3

$ISSDN

 

4

Line Tension 1

Pounds

6

Line Speed 1

Meters/Minute

8

Active Scope 1 (Wire Out)

Meters

 

���� - = Incoming, + = Payout

 

10

Desired Scope 1

Meters

12

Winch Id 1

 

14

Elasped Time

hh.mm.ss

16

Line Tension 2

Pounds

18

Line Speed 2

Meters/Minute

20

Active Scope 2 (Wire Out)

Meters

 

���� - = Incoming, + = Payout

 

22

Desired Scope 2

Meters

24

Winch Id 2

 

26

Elasped Time

hh.mm.ss

28

Non Contaminated Sea Water Chest Pressure

psi

30

Non Contaminated Sea Water Chest Temperature

Degrees F

31

Checksum

 

 

 

 

 

 

SENSORS AND INSTRUMENTS

NOAA SCS data is divided into two broad categories, underway and navigation. Each instrument or sensor produces a data file named with its channel id or instrument name.

Not all data types are collected every day or on every cruise.

UNDERWAY SENSORS

METEOROLOGY

 

Measurement

channel ID

Collect Status

Rate

Instrument

Air Temperature

 

Continuous

1 sec

R.M. YOUNG

Dew Point

 

Continuous

1 sec

R.M. YOUNG r

Relative Humidity

 

Continuous

1 sec

R.M. YOUNG 

Barometer

 

Continuous

1 sec

 R.M. YOUNG

Relative Wind Speed

 

Continuous

1 sec

R.M. YOUNG 

Relative Wind Direction

 

Continuous

1 sec

 R.M. YOUNG

True Wind Speed

 

Continuous

1 sec

DERIVED

True Wind Direction

 

Continuous

1 sec

DERIVED

Relative Wind Speed

 

Continuous

1 sec

R.M. YOUNG ULTRASONIC

Relative Wind Direction

 

Continuous

1 sec

R.M. YOUNG ULTRASONIC

 

GEOPHYSICS

 

Measurement

channel ID

Collect Status

Rate

Instrument

Bathymetry

 

continuous

varies

ODEC Bathy2000

Bathymetry

 

continuous

varies

Knudsen 320B/R

Bathymetry

 

continuous

varies

SEABEAM 2112

 

OCEANOGRAPHY

 

Measurement

channel ID

Collect Status

Rate

Instrument

Conductivity

TSG fwd

not collected

6 sec

SBE 911 

Salinity

TSG fwd

not collected

6 sec

SBE 911 

Sea Surface Temp

TSG fwd

not collected

6 sec

 SBE 911

Conductivity

TSG aft

not collected

6 sec

 SBE 911

Salinity

TSG aft

not collected

6 sec

 SBE 911

Sea Surface Temp

TSG aft

not collected

6 sec

 SBE 911

Fluorometry

Fwd

not collected

1 sec

Turner 10au

Fluorometry

Aft

not collected

6 sec

 Scufa

ADCP 75khz

 

continuous

 

 RDI Instruments

ADCP 150khz

 

continuous

 

 RDI Instruments

 

 

 

 

 

 

 

NAVIGATIONAL INSTRUMENTS

 

Measurement

channel ID

Collect Status

Rate

Instrument

P-Code GPS (Fwd)

 

continuous

1 sec

 Trimble

Attitude GPS

 

continuous

1 sec

Ashtech

Glonass GPS

 

continuous

1 sec

Glonass

Gyro

 

continuous

1 sec

 

P-Code GPS (Aft)

 

continuous

1 sec

Trimble Centurion