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40 m long video rca cable

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Hi all, we´re preparing our III Spanish FPV meeting that´s going to be on September 12th and 13rd. We´re going to place a 50" LCD TV for general public and visitors watch the fpv flights live. We need to run a 40 m long rca video cable from our receiver to the TV. I haven´t used that long ever, do you think I´m going to have low signal or bad signal quality on the TV? Should I use the tipical video splitter to amplify a bit video signal?

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I have never run a 40m cable but I have run a 20m cable, the cable I used was satilite TV cable and it was 100% good. I see no reason for a 40m run to be a problem, if you loose a bit of brightness you can always adjust the TV to compensate.

Terry

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The max I used was also 20m, and I could see noticeable loss of detail on the screen. But that was with cheap unshielded cable. If you use 75Ohm coax it should be fine.

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No, if your not recording it then I think you will have plenty of adjustment on the TV.

Terry

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No, if your not recording it then I think you will have plenty of adjustment on the TV.

Terry

Just a little update we tried with an 80m good quality shielded 75ohm cable and quality plugs with a total success. No quality degradation, neither brightness or color, just went perfect.

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Thanks for the update, always nice to have the ending of the story :)

Terry

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Thanks for the update, always nice to have the ending of the story :)

Terry

Recommended cable distances

Cable Type* Maximum Distance

RG59/U 750 ft.

RG6/U 1,000 ft.

RG11/U 1,500 ft.

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