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* THE FORUM FOR ALL THOSE INTERESTED IN BUILDING AND OPERATING MODEL SUBMARINES *



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Grantham MBC Sub Day, Sunday 14th August 2022

Bournville Dive-In, Birmingham, Sunday 4th Sept 2022

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Latest topics

» 27Mhz - Radio Ideas
10ghz video link  EmptySat Aug 13, 2022 4:21 pm by C-3PO

» Grantham Model Sub Day, Sunday 14th August 2022
10ghz video link  EmptyFri Aug 12, 2022 2:48 pm by david f

» 915mhz / 868mhz as a viable frequency for submarines.
10ghz video link  EmptyTue Aug 09, 2022 11:05 pm by tsenecal

» Sheringham 2022
10ghz video link  EmptyThu Aug 04, 2022 1:51 pm by david f

» Craycraft WTC
10ghz video link  EmptySun Jul 24, 2022 4:52 pm by timgarrod

» JSN-SR04T Depth sounder
10ghz video link  EmptySun Jul 24, 2022 2:08 pm by geofrancis

» WW2 mini sub build
10ghz video link  EmptyWed Jul 20, 2022 4:12 pm by david f

» lego submarine with automatic depth control.
10ghz video link  EmptyTue Jul 19, 2022 1:51 am by geofrancis

» RIP SKIP Asay
10ghz video link  EmptyMon Jul 18, 2022 3:29 pm by david f

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    10ghz video link

    johnrobinson
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    Post  johnrobinson Sat Nov 10, 2012 10:12 am

    first picture is of satellite reciver LNB

    10ghz video link  Imag0111

    this is looking at the main board in the LNB rx unit

    10ghz video link  Imag0112

    this is the LNB board been cut up into sections to make into a 10ghz tx unit

    10ghz video link  Imag0113

    this is some of the cut up bits of board been put back together to make the 10ghz tx video transmitter

    10ghz video link  Imag0114

    this is a picture of a multiplier that i modded if you feed in 1,296 mhz what will come out the other end is 10,368 ghz this is anotherway to do it if you want to get to high frequencies

    10ghz video link  Imag0115

    this is when it gets to the point of being a bit of a black art working on 10 GHZ it is a diffrent sort of electronics all together just posted this up to show what can be done with a bit of know how you are probly asking why bother with this 10GHZ TX unit after it has been built from a saterllite reciver LNB you can send full tv quality coulor picture, multiple subcarriers contaning huge amounts of digital data because at 10ghz you have the bandwidth to do it. plus the antenna will only be about 6mm long so it can be hidden eneywhere on the conning tower of a model submarine but this will not work under water as its to high in frequncy this is where the low frequncy video link i have been working on comes in this will work underwater

    if you look at the left hand side of the last picture that is the antenna for 10GHZ as you can see it is small

    all the best john

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    Tom(ADMIN)
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    Post  Tom(ADMIN) Sat Nov 10, 2012 5:32 pm

    Yes...

    John, I'm sorry mate, I really am...but I haven't got a clue what any of this means. Someone help me out, please...
    johnrobinson
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    Post  johnrobinson Sun Nov 11, 2012 12:18 pm

    HI Richard
    How can you not under stand it know wonder you are still using micro switches and servos, are you a cave man or what lol could not resist it Richard. Will try to explain what it does after it has been changed from a satellite receiver LNB what just receives TV pictures and sound it will now transmit sound and video after it has been modded, plus it can send digital data as well at high speed, plus the antenna is very small so can be hidden on a model sub with out seeing it can be used for sending back all sorts of data. This can be picked up by another satellite receiver with a LNB unit on it so it will receive 10GHZ of course you will be able to watch on the TV screen live video picture for example on the picture you will be able to see GPS data coming back and giving you composs headings and all sorts of other data up on the screen. Like i have said the band width is very wide on 10 GHZ so the information that you can send out on it can be very huge and complex because i have worked in this for many years it is just second nature to me.
    SUB JOHN
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    Post  Tom(ADMIN) Sun Nov 11, 2012 9:13 pm

    John, I know very little about electronics, that's why I use microswitches, I know how to wire them up, and I know how to repair/replace them should they ever fail me. As do a lot of the guys I know. But nobody I know could ever make head nor tail of 10ghz video or data uplinks, or what on earth they do.

    I applaud your deep knowledge of these things, but please bear in mind that you are one in a million...you know what you mean, us poor souls don't!
    nigele(ADMIN)2
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    Post  nigele(ADMIN)2 Sun Nov 11, 2012 10:10 pm

    Hi Richard,
    If you don't understand it may I be so bold as to sugest that you ask Fred or Barney,if they can't help have a word with BAM BAM !!!!!!!
    tee hee.
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    Tom(ADMIN)
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    Post  Tom(ADMIN) Mon Nov 12, 2012 8:47 am

    I'll give you Bam Bam...mutter mutter..
    profesorul
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    Post  profesorul Tue Nov 13, 2012 4:40 pm

    Hey guys guys,do not be mean to Richard .... is not the only one ho do not understand the complexity of the electronics.
    I'm in the same boat with him and If you are so kind to enlighten us,you wheel do a great service to humanity.

    REGARDS

    MARIUS
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    Post  Tom(ADMIN) Tue Nov 13, 2012 5:34 pm

    Well said Marius!!
    johnrobinson
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    Post  johnrobinson Tue Nov 20, 2012 6:20 pm

    HI NIGEL
    Have been meaning to reply to this for a few days now, fine on trying to put Richard in touch with the flintstones but may be he can do them some good and show them how to use micro switches, lol as i think they still use flints sorry Richard won't take the micheal any more but i must say it has made me laugh. Trouble is i all ways picture you with a club in one hand and dragging knuckles with the other.
    Sub John
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    Post  Tom(ADMIN) Tue Nov 20, 2012 6:43 pm

    You saucy young sprog! Nothing wrong with a good microswitch at all, turns on and off real easy.

    Bit like me really...
    profesorul
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    Post  profesorul Tue Nov 20, 2012 7:07 pm

    From my point of view I like to use as few electronic devices as possible...or at least as simple as possible...the fewer the lower the risk of something happening to my submarine!.
    Is Guest My Opinion!.

    MARIUS
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    Post  Tom(ADMIN) Tue Nov 20, 2012 7:55 pm

    I like to use parts that I can understand and that I can repair/replace if needs be. Like microswitches....
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    Post  profesorul Tue Nov 20, 2012 8:22 pm

    You sad that better than me!!!.
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    Post  Giovanni LiCalsi Wed Nov 21, 2012 5:44 am

    Great humor, John !
    johnrobinson
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    Post  johnrobinson Wed Nov 21, 2012 10:30 pm

    HI GIOVANNI
    Glad you like the humor but hear we got for a bit more, people say that they like to stop a way form making things complicated by putting a lot of electronics in side of there models but they still depend on complicated electronics to get it to work any way one of the first things every body puts in is a receiver plus speed controllers which is a fairly complicated piece of electronics any way but i think the way it works is if people can buy it then they will use it as long as if they don't have to make it. Plus lots of people use level controllers now which is more electronics which people say they won't to stop a way from it this is my own personal point of view it does not make sense and to me it does not seem logical
    John
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    Post  Giovanni LiCalsi Thu Nov 22, 2012 12:03 am

    It is a good thing that we have such a wide selection of micro electronics.
    We can fit micro electronics inside an rc submarine hull that would consume the space of a full size submarine in 1959.
    Keep up the brilliant work and display. We all will benefit by it.

      Current date/time is Mon Aug 15, 2022 11:36 am