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Underwater navigation using UHF ? EmptyYesterday at 9:21 pm by geofrancis

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Underwater navigation using UHF ? EmptySun Sep 08, 2024 10:55 pm by geofrancis

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Underwater navigation using UHF ? EmptyThu Sep 05, 2024 8:15 am by david f

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Underwater navigation using UHF ? EmptyTue Aug 06, 2024 5:42 am by redboat219

» UHF radio control for submarines (openLRS, LoRa, FSK etc. on 458Mhz and 433Mhz )
Underwater navigation using UHF ? EmptySat Jul 27, 2024 9:05 am by david f

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Underwater navigation using UHF ? EmptyFri Jul 19, 2024 1:00 pm by david f

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Underwater navigation using UHF ? EmptySun Jun 09, 2024 10:47 pm by tsenecal

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2 posters

    Underwater navigation using UHF ?

    david f
    david f
    david f
    AMS Treasurer


    Posts : 2409
    Join date : 2010-11-10
    Age : 74
    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 : 93
    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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