The Association of Model Submariners.

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For further details of any events shown here also see the "Shows and Events" section on the forum

*STOP PRESS* Coronavirus. A lot of Clubs have already cancelled all activities. Check carefully before you plan any travel


CANCELLED because of coronavirus. Papplewick Pumping Station, Nottingham, Sunday 12th & Monday 13th April
CANCELLED because of coronavirus. Bournville Sub Day, Sunday 10th May 2020

. ,

(CANCELLED) Submarine, Boating & Sailing Weekend, Norwich MBC, Weekend of 25,26th July

Model Boat Convention, Haydock Park (Cancelled this year)


CANCELLED. Bournville Sub Day, Sunday 13th September


(CANCELLED) Club Submarine Regatta, Furness MBC, Barrow in Furness, Sunday 20th Sept 2020

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Latest topics

» openLRS and 2.4 Ghz and Submarines
ATU tuner unit  EmptyYesterday at 9:52 am by david f

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ATU tuner unit  EmptySat Sep 12, 2020 10:30 am by david f

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ATU tuner unit  EmptySat Sep 05, 2020 10:31 am by david f

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ATU tuner unit  EmptySat Aug 29, 2020 1:53 pm by david f

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ATU tuner unit  EmptyThu Aug 13, 2020 11:51 am by david f

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    ATU tuner unit


    Posts : 97
    Join date : 2011-06-10

    ATU tuner unit  Empty ATU tuner unit

    Post  johnrobinson on Wed Feb 01, 2012 11:35 pm

    ATU tuner unit  Atu110

    picture of ATU this unit will tune an antenna from 1mhz to 30mhz and eney where between in 5khz steps it is software controlled and can remember hundreds of pre tuned setups for diffrent antennas. this is to connect to antennas that go underwater for controlling the sub

    ATU tuner unit  Atu_3110

    this is a picture of the other side of the ATU notice custom made caps on the PCB as it is very hard to get high voltage caps to use in this unit

    ATU tuner unit  Atu_4110

    this is a picture of the digital power meter and swr meter that plugs into the ATU so you can see what the swr is on the antenna
    david f
    david f
    AMS Treasurer

    Posts : 2115
    Join date : 2010-11-10
    Age : 70
    Location : Cumbria

    ATU tuner unit  Empty Re: ATU tuner unit

    Post  david f on Thu Feb 02, 2012 9:57 am

    Really quite different looking electronics - high power- high frequency?

      Current date/time is Wed Sep 23, 2020 1:19 am