Aerial Advisor Satellite Dish Alignment
Aerial Advisor is an application to help with aligning television aerials and domestic satellite dishes correctly. It contains reference data describing registered aerial transmitter masts around the country together with their geographic locations. In certain app versions, it also contains data to help with aligning satellite dishes. It will help you to find the nearest mast or best satellite for your current location and will even show transmitter masts on a map for you.
It also contains technical data describing the transmitter mast or satellite you are looking for, including information on the power output, frequencies, polarisation and channels carried. For certain app versions, it also provides a guide to the TV channels carried on the mast or satellite.
It will act as a compass to help you align your aerial to the transmitter mast or satellite and can act as a spirit level to ensure that you have the inclination or declination of the aerial correct, once you have laterally aligned it.
Before starting a satellite dish alignment it is important to correctly set the "LNB Offset" from the "Preferences" screen. Since there are many different types of satellite aerial it is not possible for the app to automatically calculate this value.
It is important to get the correct value for the dish being installed to ensure the correct elevation values are displayed in alignment mode.
Establish this value by referring to manufacturer documentation or Internet help forums. An example of a typical value here is for a Sky mini satellite dish which typically has an offset value of 22º. Other dish types such as bore-sight dishes may have a quite different offset value (e.g. 0º).
Satellite Alignment Options - Dish Azimuth Alignment (Compass) The Satellite Dish Alignment option provides the functionality to help when you are installing your satellite TV dish. Note that if you simply wish to browse the satellite database without activating the compass and spirit level functions, select the "Satellite Database" option from the "Satellite Operations" menu.
To best use the alignment option, activate it when you are outside and beside the dish you are trying to align.On selecting the "Satellite Dish Alignment" option from the "Satellite Operations" screen, you are presented with a list of TV channel carrying satellites.
Select the satellite from the list that you wish to align your aerial to. There is a search option to make satellite selection easier. This will display the azimuth or bearing alignment display.
Keeping the phone as "flat / horizontal" as possible, rotate slowly in the direction indicated by the right or left pointers.The angle display will reduce as you turn the phone towards the satellite, as shown by the indicator arrows.When you are pointing the phone within an acceptable accuracy of the satellite you have selected, a green bar will show. This indicates that the top of the phone is now pointing in the direction of the satellite.
You should now rotate your satellite aerial on it's horizontal axis so that the centre of the front face of the aerial is pointing in the direction indicated by your phone. A useful trick is to place the bottom end of the phone (Home button end) in the centre of the dish with the phone pointing out of the dish face horizontally.Rotate the dish until the phone displays alignment as indicated by the green bar.
Once the dish is aligned to the direction of the satellite proceed to the next section to correctly set the elevation of the dish.
Satellite Dish Elevation Alignment (Spirit Level)
The Aerial Advisor app is designed to be placed in the centre of the satellite dish to perform the elevation alignment. The back of the phone is placed against the centre of the dish surface with it's display facing outwards.
If the dish is a bore sight type dish, the LNB / receiver should be removed from the dish until the elevation is correctly set.With the dish correctly aligned for azimuth and secured to point in the satellite's horizontal direction, use the "Levels" button on the alignment screen to display the elevation screen.
The phone should be used in a portrait (upright) manner to align elevation, which is contrast to the azimuth alignment where the phone is held flat. It is also in contrast to the use of the phone to align a terrestrial antenna where the side of the phone is used as the datum.
When you have selected the "Levels" option from the azimuth alignment screen and with the back of the phone against the dish surface in the centre of the dish, the digital display will show the corrected elevation angle display of the dish. This display shows the DIFFERENCE between the current phone vertical attitude angle and the ideal angle for pointing the dish at the satellite. Inclining the dish up and down with cause the angle displayed to increase or decrease.
The closer the dish is to alignment, the smaller the value displayed. When a value of zero is seen (or the app detects the phone is within an acceptable margin of error) a green bar will be displayed.
At this point secure the elevation of the dish, as it is now set to point at the satellite at the correct angle of elevation to operate with the LNB offset you have selected.As the dish is inclined a highlighted arrow will appear on the right of the screen to indicate whether the phone should be tilted up or down.
A Red arrow indicates that the top of the dish (and therefore the phone) should be tilted down more towards the horizontal.A Green Arrow indicates that the top of the dish (and therefore phone) should be raised more towards or beyond the upright.
When setting the dish elevation, please be careful to preserve the direction azimuth alignment you set using the compass in the previous step. Your satellite dish should now be correctly aligned for the satellite you have selected.
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