CHECKLIST  HERON

auke - march 2009

#1  Log Cnav2050 data

has to be updated!!

#2 Patch test

• Draft -0.75 meter

• Results 2008:
• Latency (time delay) 0.6 seconds (apply in unravel script or caris)
• Heading -0.24 degrees
• Pitch 0.66 degrees
• Roll 0.0 degrees

•  F180 after applying corrections:
• Heading -90.24 degrees
•  Pitch 0.21 degrees
•  Roll 0.15 degrees
• Distance between centre of antenna’s 89.5 cm.

• Results 2009:

• Latency (time delay) 0.6 seconds (apply in unravel script or caris)
• Heading -0.24 degrees
• Pitch 0.66 degrees
• Roll 0.0 degrees

# 3 Sail cross lines

1. Turn Knudsen outlet switch off by skipper
2. Make sure skuzzy cables are connected
3. Turn both knudsens on
4. Start heron 1 and 2
5. Start transceiver
6. Start SIS computer

• MVP
• Make a new directory in explorer (c://mvp.data)
• Edit /system configuration

• Heron 1 and 2
• Make a new folder with explorer (f:/Knudsen/arctic_2008/…)
• In sounder suite: recording/configure/
• Double click on f, Knudsen-> arctic2008-> new folder

• 28 kHz
• Agc on
• Power on
• 0.4 ms tone pulse
• 0 processing gain
• 5.0 Tx Blank
• Sensitivity off
• Auto phase on
• Range 100 m
• Max Depth 400

•  3.5 kHz
• Agc on or lower
• Power 3 (don’t go higher then 3
• -12 ms chirp pulse
• -0 processing gain
• -5.0 Tx Blank
• -Sensitivity off

•  200 kHz Down
• Gain 200
• Agc off
• Power 3
• 0.05 ms pulse
• 0 Processing gain
• Tx Blank 0.5
• Sensitivity off
• 50 m range
• Auto phase off 

#7 Extra notes

• SIS
• If PU-ZDA is huge
• Installation parameters/clock setup
• Click external clock system -> ok
• Click active pos system -> ok

6.   #8 ADCP

• Before running adcp: after turning on heron 2

1. Connect the two adcp serials (adcp + fish) to serial port on Heron 2. Fish port is up (GPS) com 3, ADCP serial is down (com 4)
2. Start the ADCP data collection software “Aquire” from all programs/RD instruments/aquire
3. The previous display should come up, if not, load the saved configuration file. (To view the data online “display only”. Go to view menu and select required plots or you can load a configuration file saved as “faisal”from file menu/configuration.
4. Make sure the clock is sync. (1. Change PC time, 2. Set ADCP clock from acquire menu / set ADCP clock.
• To change working directory:
• Go to the setting menu/configuration settings
• Go to the recording tab and charge output directory
• Log data as in next page, to log data 
• 1. Go to acquire menu/start pinging, 
• 2. Go to aquire menu/start transect.
• 
  
5. After recording data, the format must be converted to ASCII format so it can be processed.
6. To convert: open “playback”from RD Instruments/playback
• a.   Open raw ADCP file from “File” menu/open “ADCP raw file”
• b.   Convert to ASCII from “FILE” menu/output ASCII data file.
7. When done/unhook the two ADCP serial port. This important for next survey day as the mouse for Heron 2 acts funny

• ADCP data collection
• Open acquire software from RD Insturments program
• Settings: from settings menu/configuration settings
• Normal settings
• WS 50: Depth cell size 50 cm
• WN 50: # of depth cells = 25 or WN 100 (=50m)
• WF 50: Blank after transmit 50 cm
• Ports from setting menu/communications
• Com4: ADCP (Heron2)
• Com3: GPs  (Heron2)