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maritime radar as ground radar

Discussion in 'General Electronics Discussion' started by sebswed, Jun 2, 2013.

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  1. sebswed

    sebswed

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    Jun 2, 2013
    Hi there.

    Can I use a Furuno marine radar as a ground radar or will this dammage the radar antenna (like damaging a microwave antenna by using it outside a microwave oven)?
     
  2. davenn

    davenn Moderator

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    Sep 5, 2009
    ground radar ?

    as in using it on land rather than at sea

    or did you really mean ground penetrating radar ?

    Dave
     
  3. sebswed

    sebswed

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    Jun 2, 2013
    Hello Dave.

    Good question! I should have mentioned that from the beginning. I intend to convert it to a Ground Penetrating Radar
     
  4. davenn

    davenn Moderator

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    Sep 5, 2009
    OK :)

    well for a start, ground penetrating radar is usually much lower in frequency than marine radar. The lower the frequency the greater the penetration depth
    see this site for some info on freq Vs depth.

    you will see to get 2ft or deeper its preferable to use ~ 400MHz or lower freq.

    your Furuno unit is up ~ 9GHz, you would be lucky if you got a few mm of depth

    Dave
     
    Last edited: Jun 3, 2013
  5. davenn

    davenn Moderator

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    Sep 5, 2009
    the next questions are....

    1) what depth were you hoping to achieve
    2) what sort of stuff are you looking for .... generally you will be looking for large scale structures NOT small items

    Dave
     
  6. sebswed

    sebswed

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    Jun 2, 2013
    Thanks for the link. That puts things in perspective. I was thinking of >1 meter. I now see that this is impossible. It was more to experiment (no professinal use). I now know that I can skip this idea :)

    Thank you for the provided knowledge!
     
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