Author Topic: Helix 10 Mega+SI recording sonar data  (Read 606 times)

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Offline Ruud

  • Newbie
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  • Joined: Dec 2018
  • Location: The Netherlands
  • Posts: 3
  • Unit(s): Helix 10 Chirp SI GPS G2N + G3
  • Software: 1.900
  • Accessories: Auto Chart Pro, Ulterra i-pilot link
Helix 10 Mega+SI recording sonar data
« on: February 28, 2019, 08:45:37 AM »
Can someone tell me if I have to turn off the 2D CHIRP for the sonar recordings on my Helix 10 Mega+SI G3 and turn on the 2D FULL (210 kHz) or NARROW (210kHz) frequentie? On the G2N is CHIRP OFF and the 200kHz (or 83/200kHz) beam necessary to get hardness and vegetation information. The G3 doesn't have that choise. The manual does not provide any clarity about this.
« Last Edit: March 03, 2019, 11:03:27 AM by Ruud »


Offline Ruud

  • Newbie
  • *
  • Joined: Dec 2018
  • Location: The Netherlands
  • Posts: 3
  • Unit(s): Helix 10 Chirp SI GPS G2N + G3
  • Software: 1.900
  • Accessories: Auto Chart Pro, Ulterra i-pilot link
Re: Helix 10 Mega+SI recording sonar data
« Reply #1 on: March 02, 2019, 04:54:36 AM »
Yesterday I made a recording in an area where I had not made any recordings yet. Made the recordings as mentioned  above.
I think the "dat"-recordings were made correctly. I did not try the other settings for the 2D-beams yet.
The only problem I encountered was in Autochart PC; there seem to be a number of blind spots (not in the raw data) after creating the map. After updating the Zeroline card there where no blind spots to see on my Helix (???). Someone an idea what the cause may be in AC-PC?
Excuses for my bad English!

« Last Edit: March 02, 2019, 05:00:42 AM by Ruud »


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