Why Get Someone to install My TV Antenna?
You may ask, “Why get someone to install my TV Antenna when
I can get one from my local Hardware store and put it up myself”. This is a
good question, and one we at Jims Antennas get frequently asked. The answer to
this is varied, but to simplify this I will point out a few basic tips.
1/ When we put a Digital TV Antenna on the roof, the first
thing we do is a complete survey with a new antenna to locate the best
position. This is very important as location of the Antenna is a key
consideration. Depending on where your site is situated will affect the Digital
TV signal that comes through to your antenna. If you have issues with trees or
Neighbouring Buildings, these can block signal path. We can find the best path
for you to optimise your signal. This is done with a Field Strength Meter
connected to a Survey Antenna. This is an important piece of equipment as it
not only tells us what the signal strength is, but it also indicates the BER,
the quality and flow of the digital Data, and the MER, which is the quality of the
signal. These all go together to give us optimum Digital Signal.
2/ Type of bracket and masting is next considered as this
will determine the height an Antenna must be off the roof, and the style of
antenna that is best suited to your location. The type of bracket can also
differ depending on what type of roof you have (ie: tile, colourbond, tin etc),
and what type of fixing is needed.
3/ The type of Digital TV Antenna is an important consideration.
If you are in a capital City and looking directly at the Transmitters, the Antenna
only needs to be a small gain Antenna, but if you are in the outer reaches of
the City, you will need a bigger Antenna with a higher gain. Your site location
will also affect the decision on what type we use. If you have a clear line of
sight to the Transmitter, you most likely need a Yagi style Antenna, but if you
are in a Hilly Treed area, you may need a Phased Array, or Log periodic style
of antenna. In some areas of Australia, you will have a VHF (very High
Frequency) signal, where others you will have a UHF (Ultra High Frequency) signal.
In extreme locations, also known as black spots you may need a Satellite. These
all need to be considered in the selection process.
4/ Type of Coax cable used is also a major consideration.
Cabling can make or break a reception job. There are different types of cable
that we find every day in existing premises, and for sale at different retail
establishment. The key to a good cable is if it is a Digital Compliant Cable.
Different Cable will also respond differently to signal depending on the
Frequency you are using to receive your Digital TV. The higher the frequency,
the more the losses on the cable. The longer the run the more the losses. Is
the cable air core, Duo Shield, Tri Shield or Quad Shield? Is it RG59, RG6 or
RG11? These are all questions that need to be answered so the correct cable can
be used, which will reduce signal loss and therefore your tv reception
problems.
If you are having issues with your reception, and can’t get to the bottom of your problems, please feel free to give Jim’s Antennas a call. All our Franchisee’s and Technicians are fully trained and have back up from leading professionals in the industry. They all have their Working at height certificate and Public Liability Insurance, as well as the backing of our Jim’s Antennas Warranty and satisfaction guarantee. So why not give us a call today on 131 546 or book online 24/7
