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Home | Installing / Aligning a Satellite Dish

Installing / Aligning a Satellite Dish

Installing / Aligning a Satellite Dish

Image above shows how to install bracketry for a chimney mounted Satellite dish. (click image to enlarge)

Parts needed for installing a dish:

Satellite Dish

LNB

Mounting (optional with certain dishes)

Coax cable to go from your dish to your receiver

Self-amalgamating tape

F-Connectors

Satellite Signal Finder and Compass 

 

An LNB (Low Noise Block) has two small aerials inside the protective plastic, one that has elements pointing vertically, the other horizontally. The LNB is not sensitive enough to pick up a satellite signal so the dish focuses the signals toward the LNB. This is because satellites transmit at quite low power and this is why we need the satellite dish.

Before aligning the dish ensure it is mounted securely and safely. Don't mount your dish to chimneys, weak brickwork or similar. Look out for trees. You may get a perfect signal in winter, but in summer, your signal may all but disappear-leaves are very good at blocking satellite signals. Look at the alignment of other people's dishes. If you live in the Northern Hemisphere, your dish will point towards the southern sky. In the Southern Hemisphere, it will point towards the northern sky.

Carefully follow the instructions supplied with your dish, LNB and mount. The LNB should be connected to the dish and the dish connected to your house by the mounting brackets.

1)      If safe and possible, place your satellite receiver and TV where you can see them from the dish.

2)      Use a short, temporary, length of coax cable to connect your LNB to the receiver.

3)      Turn your receiver on, go to the signal status screen and set it to be tuned to a correct frequency.

4)      To set the dish angle (Azimuth) either look at a neighbour's dish and attempt to point your dish in roughly the same direction or use a compass and a Satellite Finder Meter 

5)      Use an internet elevation calculation tool to work out the elevation - http://www.dishpointer.com. Next find the elevation bolt on the side of your dish. This is the bolt near a scale of degrees. Release it slightly and move the dish until it matches the number of degrees determined by the elevation calculation tool used earlier. 

6)     If you are lucky, you will have a signal registering on your receiver. If not, slightly release the dish angle (Azimuth) bolt on the mount and slowly move the dish left and right. Keep an eye on the receiver's signal as you do this.  

7)     Make sure you tighten all the bolts. Disconnect the receiver from the LNB. Put the receiver where you want to keep it normal. Attach the coax cable to the LNB then weatherproof it with self-amalgamating tape. Connect the other end of the coax to your receiver. Finally adjust the LNB skew.

Making Using An Inclometer

More on Elevation and Offset

Assembling our Zone 1 Sky type Dish

Triax Dish - Picture of LNB position in LNB Holder

Using the Satfinder

Please note this is intended as a 'guide' only and aerial shack takes no responsibility should you have any difficulties or mishaps.



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