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 Positioning Sky sat. dishes 
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Joined: 17 Jul 2003, 11:10
Posts: 8158
Location: Now Hereford previously 33 & 87
The notional position is on the equator at 28.2 degrees round the equator. If you take a globe of the world and put a pencil perpendicular to the surface at roughly Kishasa in the Congo . Then image a straight line to it from France you can see that as you move North and South or East and West the actual point your need to aim the dish at moves. You can do the maths from first principles but the following works. First find out longitude and latitude where you are setting up the dish . Use a good scale map of France map. The first web site below gives accurate figures for prefectures, sub prefectures and I think a selection of other small towns. To use the site very find on your nearest large town and know which Department of France it is in. For instance Beziers, in the south of France, is in Herault, which is Department 34.

http://users.skynet.be/alphonse/depart.htm

then use down load

http://www.smw.se

to find azimuth, inclination and bearing.

The best general information site was I think Sat-Cure

http://www.satcure.co.uk/digifaq2.htm

If you decide to do it yourself the e-book on installing Satellite TV is worth the money, although the information is available on the Net for free but you have to search for it. The first free book is definitely worth reading in any case

At four extreme points of France the bearings and inclination are :

Calculations for Dish Elevation and Bearing

Code:
Town       North   East/(-West)    Elevate      Bearing
Calais       45.7     0.9          30.9          35.8
Strasbourg   48.6     7.8          30.8          26.4
Biaritz      43.5    -1.6          31.7          39.7
Nice         43.7     7.2          35.4          29.1


You can set the system up without a meter but it is just very fiddly / frustrating. You either need somebody watching the TV screen prepared to say better, worse or similar, like some demented golden shot candidate or, ideally, the TV in a position where you can watch it while you move the dish. Note sometimes the system set up will lock and you need to switch off the digibox, wait and start again. You first need to get signal strength showing on screen, then move the dish to improve signal quality. I normally get the elevation ( slant ) of the dish about right then start to move the dish too far in one direction and move it about a millimetre at time pausing for 10 seconds between movements for the meter in the digibox to respond.

Remember also the dish only needs to have line of sight to the sky. Provided it clears any nearby houses / trees it is as high as it needs to be. Do not position it too high under the eaves. Properly aligned a standard sky dish will give a satisfactory signal at least as far south as the Dordogne at present ( July 2003) The larger 80cm Sky minidish should give coverage in all of main land France. Size for size the mini dishes are more efficient than round parabolic dishes on the same maximum diameter


07 Aug 2003, 13:00
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Joined: 25 Jul 2003, 21:45
Posts: 1065
Location: Lalinde 24150 Dordogne
Your info seemed a lot of effort . I simply used a compas to direct my dish. The " service section" of the digi box provides a background sound 'music' which can not be heard unless you are logged on to the sat. I turn up the sound on my T/V to max, when the digi box logs on to the sat. you start to hear the music which indicates you have a reading.
:lol:
Also at night if you look to the direction of the sat, you will see it glowing away ( obviously you must be living where you can see the clear night sky )

Royston


27 Aug 2003, 07:53
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Joined: 17 Jul 2003, 11:10
Posts: 8158
Location: Now Hereford previously 33 & 87
Thats for both of those suggestions. In our part of South Easy England is is barely worth looking at the Sky. Down in Haute Vienne it is another matter. I will try your route if I ever agree to set one up again.


27 Aug 2003, 09:06
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Joined: 17 Jul 2003, 15:36
Posts: 423
Location: SW france
watkins wrote:
I simply used a compass to direct my dish.


that's more or less how we achieved the same result royston. although i used a small portable tv so i could see the picture from the dish. just a couple of things. each time you move the dish wait a few seconds as the box will not respond immediately. also when you are using the compass don't stand directly next to the mast/sat dish as it will influence the needle. this link provides a simple step by step guide and answers many FAQ's

http://homepage.ntlworld.com/de.sullivan/

it never even occurred to me to look for the satellite in the night sky. i'll give it a try some time.

eric


27 Aug 2003, 13:43
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Joined: 25 Jul 2003, 21:45
Posts: 1065
Location: Lalinde 24150 Dordogne
I think my sat/mast is aluminium although the balcony railing it is attached to is steel, perhaps that is why at first I found it difficult to find true north although my compass was very small and came with my french dish. Your details Eric only say when you joined, where do you live and are you E-mailing from France ?
Regards Royston


27 Aug 2003, 21:15
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Joined: 02 Nov 2004, 21:40
Posts: 441
Location: France (72)
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I found this site http://www.brymar.co.uk/info/info.html very useful when setting up my Sky in France. It includes coverage maps for the various satellite beams, etc. I actually ended-up getting a stronger signal in 72 that I used to get in the UK.

I had no previous experience at setting up dishes, but with an old walking compass (and probably a lot of luck) set it up without any problems.


29 Nov 2004, 10:11
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Joined: 08 Aug 2005, 22:23
Posts: 358
Location: 86 south of Poitiers
Post 
Hi All

simple way to find your position in france:

go to http://www.multimap.com, type in your code postal, go to the bottom of the map to find your LON/LAT Position

Simple!!!!!!!!!!!

All the best :wink:


05 Dec 2005, 20:19
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Joined: 26 May 2004, 18:23
Posts: 735
Location: Deux-Sevres
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Just put our dish towards ssw and then I hung off the ladder whilst MOH watched the signal indicator in the services bit of sky and tweaked it round until the signal was strongest. works fine. No maths involved or compass for that matter. Why make it difficult when it is easy. Sorry, :wink: I can't receive one arab channel.


07 Dec 2005, 17:29
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Joined: 30 May 2004, 02:38
Posts: 2791
Location: Ex LOT46 now Spain Albir
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Drongo wrote:
Just put our dish towards ssw and then I hung off the ladder whilst MOH watched the signal indicator in the services bit of sky and tweaked it round until the signal was strongest. works fine. No maths involved or compass for that matter. Why make it difficult when it is easy. Sorry, :wink: I can't receive one arab channel.


I have plenty cannt get cori, regards Doha :wink:

_________________
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07 Dec 2005, 17:35
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Joined: 10 Nov 2005, 20:05
Posts: 98
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It all seemed too difficuilt for me - I bougt a simple meter on Ebay for under a tenner and did the job in not time :D


07 Dec 2005, 19:36
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Joined: 15 Oct 2005, 11:32
Posts: 2163
Location: Yorkshire then Poitou Charente! (16)
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Late post info:
Poitou Charente - point at sun at 12.30 is a rough guide at about 30 deg. Connect the satellite to a portable on a workmate at te side of you, I found that easier than the delayed response of a helper.
Also if you haven't got it, radio and tv settings for everywhere: http://markets.ses-astra.com/market/bri ... ndex.shtml
Sorry if posted before
John


29 Jan 2006, 12:40
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Joined: 26 Jun 2006, 20:22
Posts: 2878
Location: cornwall and dordogne 24580 nr rouffignac perigord noir 24
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does this mean i can take my existing sky minidish and reciver and just set it up in the dordogne really easily ,or do i need a new dish ? thanks rod


04 Aug 2006, 22:04
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Joined: 30 May 2004, 02:38
Posts: 2791
Location: Ex LOT46 now Spain Albir
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No problems bringing what you have will work fine as in the UK.
If you still have house in UK you may want to leave the dish there and buy a dish in France.

Then as you move back and forth just take the digig box. I bought a dish in France and had installed and secured for 50 euero.

_________________
Why bother someone else will do it. Why do today what you can do tomorrow


04 Aug 2006, 22:35
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Joined: 26 Jun 2006, 20:22
Posts: 2878
Location: cornwall and dordogne 24580 nr rouffignac perigord noir 24
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thanks nice ,what type of ciggerettte is that may i ask :oops: :lol:


05 Aug 2006, 12:59
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Joined: 23 Feb 2004, 14:20
Posts: 424
Location: West Sussex/Charente near la Rochefoucauld
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Please be aware that those of us in Mid France or 'below' generally speaking are on the very edge of the Astra service area (footprint) and this is particularly important for reception of the UK terrestrial "free to air"(services that can be received on ANY DVB compliant receiver (even those that come in boxes in your local Hypermarket for less than 100Euros) "Free to air" services include all the BBC and ITV channels which are broadcast from an Astra satellite (2A) with a more restricted footprint

Standard UK elliptical Sky dishes (Zone1) will work very well in mid France whilst the weather is fine but the headroom or fade range of such dishes is minimal and the signal will break up fairly readily in rain. Sky use a (Zone 2) dish in Scotland and Cornwall (which are approaching the edges of the footprint - in UK terms) and these are recommended for those of us receiving less than ideal field strengths. Most French dishes are larger than both these Sky dishes and are eminently suitable. (Such DVB compliant receivers will not have a card slot so will not receive any "free to view" services, importantly (currently) CH4 five and Sky3 - I believe this will change as the UK goes digital - for a good reason - email me (Paul) on:

Moulindechamby@yahoo.co.uk

If you want a fuller explanation or my (free) document on setting up satellite TV systems

My real points are:

1. Avoid ANY joins in the cable between dish and receiver

2. USE only the best cable (this should be double screened with both COPPER braid and COPPER sheath) It is expensive but worth it
http://www.screwfix.com/app/sfd/cat/pro.jsp?cId=A331796&ts=72671&id=10633

BUY (as someone else said) a satellite meter: they are really cheap (eBay) and (almost) essential in getting the best signal - remember it is almost inevitable that you will need to re-align it at some stage!

http://search.ebay.co.uk/search/search.dll?from=R40&satitle=Satellite+meter




regards

HommedeMoulin


02 Oct 2006, 08:14
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