ABOUT THE SURVEY

 Leg 1
    May 18 - May 25
    Bergen - Kr.Sund N

 Leg 2
   May 25 - June 8
   Kr.Sund N - Akureyri

 Leg 3
   June 8 - June 22
   Akureyri - Bergen

INSTRUMENTATION

DATA

Log format description

  1404 21.05.2000 17:56:36.9137149 111925.33 7204634.26 2719.60 p_19 17:56:23 _____

    ^      ^             ^            ^          ^         ^     ^      ^       ^
    |      |             |            |          |         |     |      |       |  
    |      |             |            |          |         |     |      |        --- Gun status   
    |      |             |            |          |         |     |      |  
    |      |             |            |          |         |     |       --- UTC time, EIVA
    |      |             |            |          |         |     |    
    |      |             |            |          |         |      --- Log directory name
    |      |             |            |          |         |
    |      |             |            |          |          --- Depth, EK 500
    |      |             |            |          |
    |      |             |            |           --- Northing, UTM coordinate
    |      |             |            |
    |      |             |             --- Easting, UTM coordinate
    |      |             |
    |      |              --- Shot event time stamp, GPS time, Ashtech
    |      | 
    |       --- Date, EIVA
    |
     --- Event number, EIVA

Data is space delimited (NOT fixed width fields). Legend:

 EK 500
    Simrad Scientific Echo Sounder EK 500, 12 kHz, 38 kHz split beam and 120 kHz split beam.
    Data from the EK 500 is collected by the EIVA survey computer and inserted in its data messages.
 EIVA
    Eiva Navipac, navigation software.
    UTM sector from other records.
 Ashtech
    Ashtech "GG24 GPS + GLONASS" GPS receiver, with time stamp capability.
    Time stamp data is GPS time format. During the survey period, GPS time was 13 seconds ahead of UTC time.
    Web page that describes this unit, clik here.
 Gun status
    From Gun Controller (GUNCO).
    A single character that indicates gun information is associated with each of the eight guns.
    Gun #1 have the leftmost character. Characters used:
    _ = [underscore] OK
    T = Timing out of range. The gun did not fire within ± 2 ms of time break.
    M = Misfire. The gun did not fire.

Magnetometer data

     175559.00 51795 3982

        ^        ^     ^
        |        |     |
        |        |      --- Counter
        |        |
        |         --- Magnetometer data
        |
         --- Time

Data is space delimited, (NOT fixed width fields). Legend:

 Time
    Format: hhmmss.ss
    Data coming from Ashtech "GG24 GPS + GLONASS" GPS receiver.
    NMEA 0183 POS message used.
    Web page, clik here.
 Magnetometer
    Data unit: Gamma.
    Unit conversion: 1 gamma = 10-5 Oersted = 1 nanotesla
    Magnetometer web page: Click here.
 Counter
    Counts from 0 to 9999. Overflows to 0.

Mini-streamer data

Data is stored in SEG-Y format.