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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
January 2002
 


Q.1 : First of all I would like to thank you all at Dish Channels magazine for providing excellent information. I would like to know if some free to air Russian, German Turkish channels can be received in Pakistan. If so then which Receiver, LNB and Feed horn is to be used. And the list of Ku band channels available in Pakistan. Please let me know a digital receiver could also receive KU band channels?

Ans: Thank you for your comments on our magazine. Yes you are able to receive foreign language channels in Pakistan quite easily. You can get the European channels – DW TV in German, RAI in Italian, RTPi in Portuguese, TVE in Spanish from Asiasat 2 as per of the European Bouquet. Russian channels are available from the Express 6A satellite. Check the magazine for reception parameters and details. For receiving all of these you will of course require the usual C-band satellite reception equipment, along with a digital satellite receiver. In the Pakistani market this should cost between Rs. 10,500 to Rs. 13,000. All digital receivers are capable of receiving both C-band and Ku-band transmissions. If you are not familiar with the process, then I would strongly suggest that you use the services of a professional to carry out this task. They normally charge about Rs. 1,500 as a service & installation fee in addition to the cost of the equipment.




Q.2 : Please give me the details of the satellite that provides ESPN free-to-air. I’ve seen a news report in your November issue. This is urgently required?

Ans: You should be able to receive ESPN free to air transmissions on the following parameters: Asiasat 3S as an analog downlink from 3800 H with audio at 6.2 in English and 5.58 in Chinese. However this is in NTSC format and you will need an NTSC to PAL standards converter. The other option is to use it through a multi system VCR. You can also receive the FOX NEWS channel free to air from the Asiasat 3S satellite at 3980 with SR 28100 and FEC 3/4. The National Geographic Adventure Channel is also available as free-to-air from Apstar 2R 3720 H with SR 29265 and FEC 5/6.




Q.3 : We are located near Defense phase-5. Is it possible to receive the Ku band Transmissions from JC Sat 3 at 128 deg. East? We have a 1-meter KU band dish?

Ans: The JC sat Ku band Footprint does cover Pakistan; unfortunately, there are no commercial transmissions on this beam. Of course the JC Sat does cover Pakistan well, with its C Band broadcasts that offers several channels, even though most of them are not primarily intended for a Pakistani audience.




Q.4 : I am a cable operator in the Multan. I would like to know the reception parameters of REN TV?

Ans: REN TV is available from the Express 6A satellite at 80 deg. East with a downlink frequency of 4175 MHz, RHCP, a SR 20250 & FEC 3/4.




Q.5 : I am a reader of your magazine Dish Channels. I am able to receive all channels on the Thaicom satellite at 78.5 degrees East, but do not receive Channel Guide, Channel ATN Music. Frequency 3551V, SR-13333. Please tell me about the Russian satellite 56 deg. East. Does it cover Ku band footprint Punjab area?

Ans: The channels you mention are actually available on 3554 V with SR of 13333 and an FEC of 3/4. The Russian satellite at 56 degrees East is the MOST 1 satellite and no, the footprint does not cover Pakistan.




Q.6 : I have a very big problem. I am not able to watch the Mega Channel. It shows a signal of around 56% but no video. Other channels on Thaicom 3 are fine. The problem is with Mega, KCTV and Mansy channels. I have installed a big 10-foot dish for it.

Ans: In fact some of the time the Mega channel is actually scrambled. They do turn it on as free-to-air at intervals. No pattern as such. Most of the time, Mega is scrambled. This will indicate good signal strength but no audio or video. That’s because the channel is scrambled and your receiver’s channel list should indicate it as such.




Q.7 : How can I upgrade software from PC to a digital satellite receiver via the RS232 serial connector? Please guide me what should I do. My PC Configuration is: Pentium III 450 MHz, 32 MB SDRAM, Intel Chipset Mother board, Sis6326 AGP, 20 GB Hard Disc, Windows 98 Ver2. Digital Receiver CDVB2000B?

Ans: Besides a serial connecting cord between your PC and the satellite receiver you will need the appropriate software. Your best bet for the software would be check the receiver manufacturer’s website. The software is available free of charge. However, it is not guaranteed to work with all digital satellite receivers. All the Best!




Q.8 : What is the LNB LO frequency, which should be entered in the receiver setup menu while using KU band universal LNBF? Other than universal KU Band LNB, there are other types (frequency range) of KU LNB(S) also available. What is the range for these? What will be the local oscillator frequency for other than universal Ku LNB? What is the formula to calculate L.O. frequency? As for NORMAL C Band reception we enter 5150 as L.O. frequency. To receive a signal transmitted in Extended C BAND, what will be L.O. Frequency as Input is 3.4 Ghz to 4.2 Ghz & output is 950 to 1750 MHz?

Ans: A Ku Band Universal LNB, is capable of reception in both – the Ku Band Low (10.7 to 11.7 GHz) & the Ku band high (11.7 to 12.75 GHz). For the Ku Band Low, it uses a LO (local oscillator) frequency of 9.75 GHz. For the Ku band High, it uses a LO frequency of 10.6 GHz. Earlier versions of Ku band LNBs split the 10.7 to 12.75 GHz into 3 separate bands, requiring 3 separate LNBs, to cover the entire Ku band! Of course only one of the 3 was purchased & mounted on the dish, depending on the Ku Band frequency of interest. The Universal Ku band LNB elegantly provided reception over the entire Ku band, from a single LNB. All LNBs utilise the “Heterodyne” principle to lower the received Satellite Reception frequency (S, C, or Ku Bands) to the range of 950 MHz to 2050 MHz that can be received by all – Analog & Digital satellite receivers. The incoming signal (S,C or Ku band) is made to beat (clash) with a fixed frequency, generated locally within the LNB, by a Local Oscillator. The output is the sum & difference of the I/p & the LO. The sum of the frequencies will be produced at a much higher frequency & is discarded. The Local Oscillator frequency is chosen so that the difference of the i/p and the LO freq. Lies in the frequency band of 950 MHz to 2050 MHz. All C Band LNBs that operate upto 4.2 GHz (eg 3.4 GHz to 4.2 GHz), including Extended C Band LNBs, use a LO freq. Of 5150 MHz. Where the LNB is used for reception of 4.2 GHz to 4.8 GHz, an LO freq. Of 5.95 GHz is typically used. However, such LNBs are rare, and no “standard” LO freq. Really exists for these LNBs. S Band LNBs usually are designed for reception from 2.5 GHz to 2.7 GHz. They use of LO freq. Of 3.65 GHz (Note: 1 GHz = 1000 MHz. Hence 3.65 GHz = 3650 MHz) This is intended to be just a quick reply, to help you set your receiver.


 

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