Posts Tagged ‘satellite’
How to install Multi TV in Lagos Nigeria
Sunday, March 3rd, 2013

I got the following question from a reader of this blog via email, and choose to answer publicly so as to assist others in need of the same information: Please do you have anybody or office in Lagos that I can get Multi TV dish and decoder, and the Technician that can install it for me. Or any dealer in Lagos, plz help. Considering Multi TV is a Ghanaian operation, I am not aware of any officially accredited installers in Nigeria. Since Multi ...  [Read more]

Infinity TV goes premium
Sunday, July 10th, 2011

Infinity TV, a direct-to-home satellite TV service on Astra 2B has gone premium. Most of the channels they offer which have hitherto been free since early 2010 are now ...  [Read more]

Infinity TV (Nigeria) goes premium
Sunday, July 10th, 2011

Infinity TV, a direct-to-home satellite TV service on Astra 2B has gone premium. Most of the channels they offer which have hitherto been free since early 2010 are now encrypted. This is not much of a surprise since Infinity TV had always set-out to be a premium service. Their TV channels currently include: 9JA TV Vive Viasat Nature Africa Viasat History Africa Infinity Bollywood Galaxy TV (Nigeria) Sky News ...  [Read more]

What is encryption in general?
Wednesday, February 23rd, 2011

In very basic terms, encryption is a way to send a message, satellite signal, vehicle remote, documents in code. The only person who can decode the message is the person with the correct decryption key.  Encryption is especially important if you are trying to block satellite signals (DSTV channels) from people who should not be able get access unless they have pay for viewing.  Like digital signatures, public-key encryption utilizes software ...  [Read more]

What are the differences between horizontally polarized and vertically polarized signals?
Sunday, January 23rd, 2011

An electromagnetic (radio) wave (satellite signal) consists of two components. A magnetic field An electric field. These two fields oscillates (vibrates) in the same direction on the same (parallel) axis 90 degrees apart.  See figure 1. Signals transmitted by satellite can be polarized in one of four different ways: linear horizontal linear vertical left-hand circular right-hand circular Polarization. Vertically polarized An ...  [Read more]

Can I paint my satellite dish?
Sunday, January 23rd, 2011

Yes you can paint it about any color or camouflage colors as you wish but keep the following in mind: You can paint the entire dish The LNB Cable Brackets and mount Use the thinnest coat possible Don't paint the LNB cap which faces the dish. The paint will block the reflected signal Although you can use any color stay away from white or bright colors.  Bright colors reflect sun light and heat better as well.  In countries with very ...  [Read more]

How to Use a Satellite Signal Meter
Sunday, January 23rd, 2011

Additional tools required: Compass, Broom, Flat & ring spanners. The main reason for using a satellite Signal strength meter is that the signal deflections are immediately visible and there is no lag as on some of the decoders.  A signal strength meter helps you tune your dish in the right direction for the best possible satellite signal. For example, a strong signal will not drop the channel during a rainstorm, but a weak signal will ...  [Read more]

What is the meaning of a satellites footprint (coverage)?
Sunday, January 23rd, 2011

The area of the Earth covered by the microwave radiation from a satellite dish (transponder) is called the satellites footprint.  The size of the footprint depends on the location of the satellite in its orbit, the shape and size of beam produced by its transponder and the distance from the earth.  The footprint can be seen as: The area in which a broadcast signal from a particular satellite can be received The area on the surface of the ...  [Read more]

Saturday, January 22nd, 2011

The abbreviation LNB: Low Noise Block down-converter.   It does not mean to block low noise! The LNB is the device installed in front of the satellite dish and is connected with a cable (or more) to your decoder.  The LNB receives the very low level microwave signal that is transmitted from the satellite, amplifies it, changes the signals to the right frequency band and sends it with the cable to the decoder/receiver. The expression low ...  [Read more]

What is Free-to-Air (FTA)?
Saturday, January 22nd, 2011

Free to air is an expression used to describe both television and radio broadcasts that are not encrypted. This enables anyone; With a satellite dish to pick up these TV programs without subscribing to a cable or satellite company. With an ordinary radio to pickup and listen to radio programs. When first radio and then television began, virtually all programs on the networks were free to air and could be listened to or viewed by anyone in ...  [Read more]