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Guide to Frequency Chart

 

What is "S.No."?
S.No. is referred to as the Serial Number. This is the Serial Number, which tracksat.com has allocated to the satellites for its own convenience. However, there is no worldwide standard on how to give numbers to the satellites, it is done only for the convenience of tracksat.com to separate different satellites in different regions.

What is "Direction"?
This Direction refers to the direction of the satellites according to their respective degrees. Every satellite is on its own direction. These directions are expressed in degrees of North, East, West or South. The direction of each satellite is different from other satellites.

What is "Name of Satellite"?
Every Satellite has its own particular name which differentiate it from other satellites and become its own identity. The company which launches the satellite, decides which name to be given to that satellite. Some satellites may have same Name but those satellites must be separated from the numbers in their end.

What is "Updated On"?
This column shows the actual date on which the satellite status is updated, the dates shown in this column are only the latest one. The Dates are in International Format i.e. Day/Month/Year.

What is "Total T.V. Channels"?
This column shows the Total number of T.V. Channels shown at that time on that particular satellite. As the site is updated regularly, therefore this column is regularly updated whenever there are any changes.

What is "Total Radio Channels"?
This column shows the Total number of Radio Channels shown at that time on that particular satellite. As the site is updated regularly, therefore this column is regularly updated whenever there are any changes.

What is " Frequency"?
Frequency is basically the rate in which the satellites send its signals down to earth. Frequency is basically of two types downlink and uplink. The satellites uses downlink frequencies to send its signals down to earth while the Uplink frequency is used to communicate with the satellite from earth. The frequency used in this Column is downlink frequency. Frequency in this column is expressed in GHz (Giga Hertz), which is the S.I. unit to denote frequency.
1 GHz = 1000 MHz = 1000000 KHz = 1000000000 Hz.  

What is "Channel#"?
Channel# basically represents the Channel Number in each satellite. These Channel Numbers are allocated by the satellite operators for their own convenience to differentiate between certain channels on that particular satellite. As their is no particular standard to allocate Numbers to the Channels, therefore each  satellite operator allocates Numbers according to its own Numbering system. These numbers may differ from satellite to satellite as for example the Channel Number "10" in one satellite might be the channel number of different frequency in other satellite. These channel numbers are useful when identical satellites are received and when its hard to customize the satellite receivers according  to the frequencies, in such cases these Channel Numbers have proved to be very useful. 

What is "Polarity"?
The phenomenon in which waves of light or other radiation are restricted in direction of vibration is termed as Polarity. Polarity is the mode of transmitting Channels. There are two types of polarization modes:
One is the transmission of signals in linear polarization while the other is rotating/turning polarization.
"H" means Horizontal, and "V" means Vertical, for linear polarization of Signals.
"R" means Right Hand, and "L" means Left Hand, for rotating/turning polarization of signals.
Polarization is very important in the satellite world, because some times one frequency can be used two times by using two opposing polarizations, to avoid the affect ness of two signals on the two identical frequencies. This could help in doubling the actual number of channels that can be transmitted. 

What is "Channel Logo"?
 
Channel Logo is basically the official emblem designed by the company to represent the channel. Channel Logo may be a unique graphically designed or the combination of alphabets decided by the company it self. 

What is "Name of Channel"?
The name of radio, Television, or Data channel as it is known by the public. Dish-Channels.com has worked very hard to get the links of the homepages of several channels, wherever they are provided the link is present on the Channel Name. By clicking on the Channel Name, the home page,, if available, is opened in another window.

What is "Package"?
A Package is basically the set of Channels that can be viewed under one network. Like e.g. A Network is showing several other channels in its collaboration then it is termed as Package. A Package is denoted by http://www.tracksat.com/images/package.gifsymbol, clicking on this symbol takes you to the page that shows all the details of the channels viewed in this package.

What is "Mode"?
It is the Mode of Transmission, in which the channels are transmitted. There are different colour modes for analogue transmission technologies such as, PAL, SECAM, NTSC, and other sound modes as,  WEGNER. The transmission modes for Digital technologies are like MPEG-2, or DIGICIPHER etc.
A satellite Receiver is required for Digital technologies that is exactly capable of receiving that particular mode.

What is "Video Encryption"?
Sometimes the channels are deliberately scrambled, then a special decryption device is needed to watch the channels. Analogue transmissions are encrypted normally by putting the video lines in different order, while in digital transmission usually, a special card is to be inserted into a satellite receiver to encrypt the channels. this card contains a code to decrypt the signals normally it is available on a price from a programmer. There are a lot of encryption methods such as:
4:2:2, Betacrypt, CLI, Coatex, conax, Cryptoworks, DMV, Eurocrypt M, Eurocrypt M/S2, Eurocrypt S2, Irdeto, Leitch, Matsushita, MDE2, MDS, Mediaguard, Nagravision, NDC, NDS, NTL, NTL 2000, PowerVU, Sis, Starcrypt, TV/COM, VC2+, Viaccess, Videocrypt, Videoguard.

What is "SR"?
SR stands for "Symbol Rate". It is capable for only digital transmissions. 

What is "FEC"?
FEC abbreviates for "Forward  Error Correction". It is applicable for only digital transmissions. It shows how many bytes are used in actual transmission and how many are used in correction of  errors. FEC is normally represented in ratios A 3/4 means that 3 bytes are used for the actual signal and only one for the error correction.

What is "SID"?
SID stands for "Service Identification". It is used to identify the service by the satellite operators, It is applicable for only digital transmissions. 

What is "V-PID"?
V-PID abbreviates for "Video Program Identification". It defines the Data sub stream containing video signal. 

What is "NID"?
NID abbreviates for "Network Identification". It identifies the certain Network provider whis is unique for each package. This enables receivers to search for only those channels coming from that Network provider. Each Network has its own NID. It is applicable for only Digital transmissions.

What is "TID"?
TID stands for "Transponder Identification". It identifies a certain transponder. It is applicable only for digital transmisions. It enables receivers to search only for the channels on any particular Transponder.

What is "Audio"?
This column represents the Audio Subcarrier Frequency. Audio Subcarrier frequencies are used only for analogue transmission technologies. This column is empty for digital transmissions. The Video signal of the channel is transmitted in the Channel frequency while the sound signal is transmitted in Subcarrier to that video frequency, which is stated in this column.

What is "Contributed By"?
This column represents the Name of the person who has contributed with Dish-channels.com to provide this particular row of information. Every body is encouraged to contribute to dish-channels.com. The name or the nick name of the person will be displayed in this column as decided by that person.

What is "Updated On"?
This column shows the date on which that particular row is updated. The date is displayed in International format i.e. Day/Month/Year. 
Whenever there are any type of changes in the satellite world, dish-channels is the first to update it on its site.
 
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