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Latest topics

» WW2 mini sub build
Underwater navigation using UHF ? EmptyFri Sep 30, 2022 12:17 pm by SimonH

» 27Mhz - Radio Ideas
Underwater navigation using UHF ? EmptyWed Sep 28, 2022 5:55 pm by tsenecal

» USS Bluefish
Underwater navigation using UHF ? EmptyWed Sep 28, 2022 5:48 pm by tsenecal

» Choice of CAD software and Printer for 3D printing
Underwater navigation using UHF ? EmptyMon Sep 26, 2022 11:35 am by david f

» 915mhz / 868mhz as a viable frequency for submarines.
Underwater navigation using UHF ? EmptyThu Sep 22, 2022 12:35 pm by geofrancis

» JSN-SR04T Depth sounder
Underwater navigation using UHF ? EmptySat Sep 10, 2022 11:19 am by geofrancis

» Grantham Model Sub Day, Sunday 14th August 2022
Underwater navigation using UHF ? EmptyFri Aug 12, 2022 2:48 pm by david f

» Sheringham 2022
Underwater navigation using UHF ? EmptyThu Aug 04, 2022 1:51 pm by david f

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Underwater navigation using UHF ? EmptySun Jul 24, 2022 4:52 pm by timgarrod

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2 posters

    Underwater navigation using UHF ?

    david f
    david f
    david f
    AMS Treasurer


    Posts : 2268
    Join date : 2010-11-10
    Age : 72
    Location : Cumbria
    • Post n°1

    Underwater navigation using UHF ? Empty Underwater navigation using UHF ?

    Post  david f Fri Jun 18, 2021 9:37 am


    When Jonathan introduced the topic of SDR (Software Defined Radio ) in the UHF radio control thread - he said "just remember that you will kiss good bye to a few hours of your life if you read any further :)"

    Well!

    Have a look at this link and click the video.

    https://www.rtl-sdr.com/category/kerberossdr/

    Substitute the boat for a sub and the TX for one on 433/458 and you may have it?

    David
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    SimonH
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    SimonH


    Posts : 60
    Join date : 2020-09-29
    Location : Nottingham, UK
    • Post n°2

    Underwater navigation using UHF ? Empty Re: Underwater navigation using UHF ?

    Post  SimonH Fri Jun 25, 2021 5:46 pm

    multiple antennas on a sub could be a challenge, anybody tried GPS underwater?
    It works to a degree, as I did once work on a system whose GPS Rx was aslo used by divers. As a result we had to copy the warnings about disconnected antennas underwater leading to disorentation & death into the manaul for a 6 wheel truck based system! OTT or what.
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