Super Pitch Coaxial Cable
Hi All,
We tour for the very 1st time this weekend and have booked a super pitch that has a T/V aerial point. I'm assuming we'll have to buy coaxial cable (or do sites lend them). If so what length should we buy? We don't want unnecessary length of cable trailing everywhere.
Thanks
Comments
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If you are ONLY going to use Super Pitches ( I assume you mean Fully Serviced on the Club Sites ) you could always 'phone the Wardens & ask, just to be sure.
However if you intend coming onto non -- serviced pitches you really will need the full 25 metres ! On some sites I've been pushing it even at that !Brian really does not like crawling under his camper to get the last few inches !!
Edit :-- unlike the EHU Mains lead there is no need whatsoever to uncoil the whole Telly cable -- it carries only microscopic power !!
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When we got the new van I forgot to put the co-ax cable in it.
Went to Meathop where you need to use them (and where I bought my original one) and had to buy another from the warden.
Whilst in Grange I called into one of the hardware store and priced-up the cable and a couple of plugs and there was only pence difference.
Buy from the wardens, they provide a nice extra service.
Pssst.. anyone want to buy a 25m coax cable
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If you want a nice robust cable made of high quality materials the company Satcure make some nice leads but they are expensive compared to what the warden will sell you.
David
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If you are making your own- make 2
1 x 25 metres - this should get you anywhere
1 x 5 metres- usually sufficient for service pitch / and or close to EHU bollard.
Choose appropriate one - usually saves winding the long one out.
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You are supposed to uncoil the electric cable to prevent it over-heating. We usually arrange it in a tasteful pattern around the caravan
The TV cable that we bought on a site many years ago seems massively long (far longer than the electric cable) and the surplus we leave in a coil under the caravan somewhere.
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It's always good practice to uncoil all extention leads/cables when being used. If you buy yourself a cheap extention lead on a drum like this plug in 13 amps worth of load for 20 mins & see how warm it gets (do it outside in the garden - you don't want to burn/set fire to anything in your house) .... that's why it's good practice to uncoil your mains lead to your caravan/motorhome. In the real world though, you're unlikely to draw all 16 amps at the same time ..... but you never know.
The telly co-ax draws virtually zero current
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If it helps, last week at Burr's Country Park site staff were selling the cable for £15.
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Coiling up your hook up cable acts as an inductor and induces current which causes heat I have seen the results of this in extention cables that have been left coiled up while being used while coiled up coax as pointed out earlier does no harm in fact acts as a filter
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Buy one on fleabay, probably cheaper and saves the hassle of getting decent connection to inner/outer parts of the cable. coiled wire with electricity running through it becomes a transformer and potentially an electro magnet if given the appropriate additional components.
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There's a repeater on a nearby hill at Burrs. You will probably get the signal no matter which way your pointing!
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The rating of a cable (i.e. the amount of current it can safely carry without damaging the cable insulation due to over heating) is a function of how the cable is routed and how close it is to other cables carrying current. When a cable is coiled up it will be very close to other cables carrying the same current. In this situation the rating of the cable will be reduced significantly. The temperature rise of the cable conductor increases as the square of the current through it i.e increasing the current two fold will cause a four fold increase in the temperature rise of the cable conductor and hence the insulation around it. Reducing the rating of the cable by coiling it up will decrease its current rating but will increase the heating effect of the current and could melt the insulation or even start a fire.
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We normally plug into the booster if one is available but if not we use the Aerial aligner app to set up, it gives all the available transmitters the bearing, strength and if its vertical or horizontally polarised and its FREE always a bonus
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At most sites where there is a bollard system, they only seem to carry the same number of channels as the local transmitter. So if you only get the basic channels on the roof aerial, that is all you get on the loop system. Although normally the loop system is only available in poor signal areas, the definition of these has changed since the advent of digital TV and directional aerials. Baltic Wharf for instance says poor TV signal loop available. However, we were able to pull in over 100 digital channels. On our old van with its omni directional aerial and before Bristol went digital, we had to use the loop to get anything.
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