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Trouble Shooter

Tracksat.com offers to its valued customers, this precious service. If you have any queries about any thing related to the Satellite World, you can send your queries to : dishtech@tracksat.com
November 2007
 


Q.1 : Question: Dish Channels is providing useful information to the Middle East satellite users. I get a chance to visit your magazine through internet in Germany. What will I do if I want more HDTV channels or International channels? (James Paul, Germany)

Ans: Dish Channels is trying to provide useful satellite informations across all borders. The Dish 500 picks up both the 110 and 119 satellites (orbital position) for all the regular programming. HDTV, International channels and some new local channels are broadcast on satellites located at 61.5 and 148. Choose the one that gives you the best unobstructed view. However, to pick up three satellites, you will need an 18 inch dish with an LNB in addition to the Dish 500 and a way to seamlessly connect both dishes to your receiver(s). How you connect the two dishes depends on which type of LNB you have on the Dish 500. If you have the standard TWIN LNB (that doesn't have DP or DishPro printed on it), for one receiver you would connect one output from the Twin LNB to an SW-21 switch and one output from the LNB on the 18 inch dish to the other side of the SW-21 switch. For two receivers, you need a dual LNB on the 18 inch dish and a second SW-21 switch.




Q.2 : Last time, I visit a market to purchase a new satellite receiver. I was not able to understand the difference between receivers after reading their manuals. Can u guide me that what are the differences in the various satellite receivers? (Muneer Malik, Lahore)

Ans: The receiver electronics process information and change channels. The interactive TV Guide and Menu system is like a computer operating system. The hardware and the Guide/Menu system work together to continually retrieve programming information from the satellite. With up to 500 channels, you will be using the TV guide and Menus all the time, so ease of use and speed are very important. The early model receivers required a download from the satellite every time you wanted information on a listed program. The new DP301 has a memory chip that stores about 4 hours of the program guide information at a time. The DP501, DP508, DP510 and DP721 are fantastic because 7 to 9 days of program information is stored on the hard disk with every download.




Q.3 : : I have an Eycoss S55.12 PVR and 8 feet fiver dish. Can I use one cable to bring in the signal from my local antenna and the LNB at the dish antenna? ( Rehan Ahmaed, Multan)

Ans: Yes. For each receiver, you will need two high quality, diplexers, to combine the local TV antenna with the signal from the LNB. A diplexer combines the cable from a TV antenna with the satellite signal. It looks like a two way splitter, with one output cable connector on one side and two input cables on the other side. Connect the output(s) of the Twin LNB or the outputs from the SW-21, SW-44 or SW-64 switches and the local antenna to a diplexer outside, near the dish. The cable from the LNB or switch goes to the 950 - 2150 MHz side of the diplexer outside and the antenna cable to the other side. Bring the one cable into the house, near the main receiver. Add the second diplexer there and connect the 950 - 2150 MHz side of the second diplexer to satellite receiver (Satellite IN) and the other side to a two way splitter. For multiple satellite receivers, you can use a splitter from the TV antenna to supply the signal to more diplexers. Diplexers can not be used to split the signal from the LNB to add more receivers.




Q.4 : I have been away and on my return I cannot watch any programmes from my viewing card and there is a message on the screen asking me to call to upgrade. (Touseef Ahmad, Karachi)

Ans: : If a viewing card has been in the box with the electricity disconnected or has been taken out of the box for a period of eight weeks or more this message will appear. The viewing card becomes dormant during this time. All you have to do is switch the digibox onto the green light and leave the card in the box. Gradually all of the missing channels will return within a 24 hour period




Q.5 : What frequency bands are used for Tooway? (Khalid Usman, Islamabad)

Ans: Tooway operates in Ku- and Ka-band. Ka-band capacity is on Eutelsat’s HOT BIRD™ 6 satellite at 13° East, and Ku-band capacity on the company’s EUROBIRD™ 3 satellite at 33° East. In 2010 Eutelsat will deploy a dedicated Ka-band satellite with multiple spotbeams across Europe at its HOT BIRD™ neighbourhood (13 degrees East).




Q.6 : I often read articles about C and Ku-band in Dish Channels. What is Ka-band and what are its advantages? (Aftab Khan, Quetta)

Ans: Broadcast satellites principally operate in Ku-band frequencies that have the benefit of offering a broad geographic coverage through a single footprint. Ka-band, which is now beginning to be exploited over Europe, has other benefits: More Ka-band bandwidth is allocated to each satellite by the ITU (1 GHz per orbital slot). For dedicated two-way communications, spot beam technology allows extensive frequency reuse, effectively lowering the cost of the spectrum. The larger amount of available bandwidth supports higher transmission rates, supporting higher peak speeds for individual subscribers. The higher Ka-band frequencies allow smaller antennas to be employed for the subscriber equipment.




Q.7 : How do I connect my VCR to a satellite receiver. I have no idea what a coax cable is where I can get a diagram. (Amjad Iqbal, Hyderabad)

Ans: You must have a VCR with scart, that's a big plug with several pins. Also a good satellite receiver must have two scart cables .A coax cable is very simple... it's a small round button. Maybe you tell me with receiver and what video recorder you are working with.




Q.8 : What is inside a Typical Satellite? Hope you will guide me clearly on this issue. (Iftikhar, Karachi)

Ans: Satellites come in all shapes and sizes and play a variety of roles. For example: Weather satellites help meteorologists predict the weather or see what's happening at the moment. Typical weather satellites include the TIROS, COSMOS and GOES satellites. The satellites generally contain cameras that can return photos of Earth's weather, either from fixed geostationary positions or from polar orbits. Communications satellites allow telephone and data conversations to be relayed through the satellite. Typical communications satellites include Telstar and Intelsat. The most important feature of a communications satellite is the transponder -- a radio that receives a conversation at one frequency and then amplifies it and retransmits it back to Earth on another frequency. A satellite normally contains hundreds or thousands of transponders. Communications satellites are usually geosynchronous


 

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