david 
Yes, buying an outdoor TV aerial isn’t really a biggie, but the thing is there is more to it than you think. The fact is you may even end up buying the wrong one if you don’t know what to look for in a TV aerial in the first place. It’s quite true that there are more things to factor in other than the price.
When choosing television aerials, two of the most important initial considerations are the proximity of your home to the transmitter and the kind of terrain it is situated. Generally speaking, the farther you are from a transmitter the larger the aerial you need to buy because doing so means providing more gain. Nonetheless, there are far more sophisticated and expensive TV aerials that don’t need to be large in size to be extra capable.
So, how do you really figure out which TV aerial is best for your needs?
Signal Gain
Arguably the easiest way to figure out the size of the aerial you will need is by looking around your neighborhood and see what your neighbors are using. The fact that they’re using a specific size means that it should the ideal one you should use, too.
Next, you want to know as well if the aerials are facing or pointing to the same direction. Truth be told, it’s actually a good sign, indicating that you live in an area where there’s good signal. In case the television aerials face different directions, it usually means that there are reception issues in your area. But you shouldn’t lose hope because you can look for a TV aerial company that will offer you a signal amplifier.
Signal Type
Majority of aerials receive either a UHF, VHF, or both signals. Furthermore, it’s also very inaccurate to make the presumption that all digital channels are located in the UHF bandwidth. While it’s relatively true that most digital and high definition signals are found within the UHF band, there’s no denying that some are still present and existing in the VHF band.
Outdoor and Indoor
Anyhow, if you’re not particularly sure about the type of TV aerial you want installed, then it makes sense to first learn what the differences are between outdoor and indoor types. For instance, outdoor aerials are harder to install and will need the help of a professional. The indoor type meanwhile is the quicker and easier solution, but don’t expect it to have the same signal pickup quality to that of an outdoor type.
