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    Introduction to Satellite Live Broadcasting Technology

     

    1. Several basic concepts of satellite broadcasting business
    Satellite Broadcasting Service (BSS-Broadcasting-satellite service)
    Fixed-satellite service (FSS-Fixed-satellite service)
    DBS-Direct broadcasting satellite
    DTH-Direct to home
    2. The development of satellite live broadcast services
    The first stage: beginning in the 1970s, experimental stage.
    The second stage: Beginning in the 1980s, the United States and Europe began to experiment with direct broadcast satellite services, most of which used FSS, but did not achieve commercial success.
    The third stage, beginning in the 1990s, is the development stage. Hughes of the United States took the lead in launching a commercial digital direct broadcast satellite system. The late 1990s entered the golden period, and the satellite live broadcast systems of the United States, Japan and other countries were large in scale and advanced in technology.

    3. Features of satellite live broadcast
    Wide coverage: generally not affected by geographic barriers.
    Strong transmission capacity: adopt digital compression and statistical multiplexing technology.
    The signal quality is high: the number goes directly to the home, and there are few intermediate links.
    Easy to receive: Ku-band high-power satellites are used, the receiving antenna has a small aperture, and the receiving equipment is simple.
    Perfect user management: Adopt conditional access (CA) technology to realize real-time and effective management and service to users.
    Strong comprehensive application capabilities: It can provide comprehensive services such as high-speed data, graphics, and interactive services.

     4. Overview of China's Broadcast Satellite Service ITU Planning
             At the ITU World Radiocommunication Conference in 2000 (WRC-2000 for short), the satellite broadcasting service in Regions I and III (BBS for short) was re-planned, and the relevant BSS regulations and technical standards were reviewed and revised. China belongs to the third area. In the new plan, China has 4 planning tracks: 62?E, 92.2?E, 122?E, 134?E. Among them, an independent beam was obtained for the Macao Special Administrative Region, which is located at 122 degrees east longitude together with the Hong Kong beam. In the 92.2?E orbital position, the planned uplink frequency is 17.3 GHz -17.8 GHz, and the downlink frequency is 11.7 GHz -12.2 GHz.
    Introduction of my country's Satellite Live Broadcasting Business Plan
     Reporting to ITU
           In accordance with the requirements of the ITU, my country’s radio and television department has declared to the ITU the 92.2?E orbital position of the broadcast satellite telecommunications union in early 2003. The satellite beam covers China and neighboring countries and regions, and the satellite poles are marked as linear poles. For polarization or circular polarization, the satellite transponders are 4 54MHz transponders and 18 36MHz transponders.
    Introduction of my country's Satellite Live Broadcasting Business Plan
     Overview of China's Broadcast Satellite Service ITU Planning
             At the ITU World Radiocommunication Conference in 2000 (WRC-2000 for short), the satellite broadcasting service in Regions I and III (BBS for short) was re-planned, and the relevant BSS regulations and technical standards were reviewed and revised. China belongs to the third area. In the new plan, China has 4 planning tracks: 62?E, 92.2?E, 122?E, 134?E. Among them, an independent beam was obtained for the Macao Special Administrative Region, which is located at 122 degrees east longitude together with the Hong Kong beam. In the 92.2?E orbital position, the planned uplink frequency is 17.3 GHz -17.8 GHz, and the downlink frequency is 11.7 GHz -12.2 GHz.
    Introduction of my country's Satellite Live Broadcasting Business Plan
     Satellite readiness
          The space segment of the National Direct Broadcasting System includes two satellites, namely the SINOSAT-2 broadcasting satellite and the Zhongxing 9 broadcasting satellite. The two satellites will be developed in accordance with the requirements of the same frequency, the same orbital position, the same coverage, and the same capacity, and they will be placed At 92.2?E. SINOSAT-2 is scheduled to be launched in the second half of 2006, and China Satellite 9 will be launched in 2007.
    5. Satellite live broadcast system composition
     From the perspective of technical composition, the direct broadcast satellite system can be divided into a space segment and a ground segment.
    Space segment is satellite (including ground monitoring system)
    The ground segment can be divided into the front end, ground transmission, earth station, and receiving end (antenna and receiver).
    Satellite live broadcast system space segment
    Satellite: At present, the important performances of the internationally mature direct broadcast satellites are:
          Working frequency band: Ku frequency band (direct broadcast satellite or fixed satellite service frequency band)
    Power supply for payload: 8~10kW
          Output power of traveling wave tube amplifier: 120/240W (single tube/parallel)
          The number of traveling wave tube amplifiers is 40~50 (including off-line spare)
       Life in orbit: 12-16 years
    The advantages of direct broadcast satellite
    The power of the transponder is large: generally 120W or 240W, the downlink EIRP can reach about 60dBW, and the ground field strength is evenly distributed. Less affected by terrestrial frequency interference (FSS frequency band is susceptible to terrestrial microwave interference).
    It is protected by international conventions in the coverage area and is less interfered by other satellite waves.

     

     

     

     

     

     

    How far(long) the transmitter cover?

    The transmission range depends on many factors. The true distance is based on the antenna installing height , antenna gain, using environment like building and other obstructions , sensitivity of the receiver, antenna of the receiver . Installing antenna more high and using in the countryside , the distance will much more far.

    EXAMPLE 5W FM Transmitter use in the city and hometown:

    I have a USA customer use 5W fm transmitter with GP antenna in his hometown ,and he test it with a car, it cover 10km(6.21mile).

    I test the 5W fm transmitter with GP antenna in my hometown ,it cover about 2km(1.24mile).

    I test the 5W fm transmitter with GP antenna in Guangzhou city ,it cover about only 300meter(984ft).

    Below are the approximate range of different power FM Transmitters. ( The range is diameter )

    0.1W ~ 5W FM Transmitter :100M ~1KM

    5W ~15W FM Ttransmitter : 1KM ~ 3KM

    15W ~ 80W FM Transmitter : 3KM ~10KM

    80W ~500W FM Transmitter : 10KM ~30KM

    500W ~1000W FM Transmitter : 30KM ~ 50KM

    1KW ~ 2KW FM Transmitter : 50KM ~100KM

    2KW ~5KW FM Transmitter : 100KM ~150KM

    5KW ~10KW FM Transmitter : 150KM ~200KM

    How to contact us for the transmitter?

    Call me +8618078869184 OR
    Email me [email protected]
    1.How far you want to cover in diameter ?
    2.How tall of you tower ?
    3.Where are you from ?
    And we will give you more professional advice.

    About Us

    FMUSER.ORG is a system integration company focusing on RF wireless transmission / studio video audio equipment / streaming and data processing .We are providing everything from advice and consultancy through rack integration to installation, commissioning and training.
     
    We offer FM Transmitter, Analog TV Transmitter, Digital TV transmitter, VHF UHF Transmitter, Antennas, Coaxial Cable Connectors, STL, On Air Processing, Broadcast Products for the Studio, RF Signal Monitoring, RDS Encoders, Audio Processors and Remote Site Control Units, IPTV Products, Video / Audio Encoder / Decoder, designed to meet the needs of both large international broadcast networks and small private stations alike.
     
    Our solution has FM Radio Station / Analog TV Station / Digital TV Station / Audio Video Studio Equipment / Studio Transmitter Link / Transmitter Telemetry System / Hotel TV System / IPTV Live Broadcasting / Streaming Live Broadcast / Video Conference / CATV Broadcasting system.
     
    We are using advanced technology products for all the systems, because we know the high reliability and high performance are so important for the system and solution . At the same time we also have to make sure our products system with a very reasonable price.
     
    We have customers of public and commercial broadcasters, telecom operators and regulation authorities , and we also offer solution and products to many hundreds of smaller, local and community broadcasters .
     
    FMUSER.ORG has been exporting more than 15 years and have clients all over the world. With 13 years experience in this field ,we have a professional team to solve customer's all kinds of problems. We dedicated in supplying the extremely reasonable pricing of professional products & services.
    Contact email : [email protected]

    Our Factory

    We have modernization of the factory . You are welcome to visit our factory when you come to China.

    At present , there are already 1095 customers around the world visited our Guangzhou Tianhe office . If you come to China , you are welcome to visit us .

    At Fair

    This is our participation in 2012 Global Sources Hong Kong Electronics Fair . Customers from all over the world finally have a chance to get together.

    Where is Fmuser ?

    You can search this numbers " 23.127460034623816,113.33224654197693 " in google map , then you can find our fmuser office .

    FMUSER Guangzhou office is in Tianhe District which is the center of the Canton . Very near to the Canton Fair , guangzhou railway station, xiaobei road and dashatou , only need 10 minutes if take TAXI . Welcome friends around the world to visit and negotiate .

    Contact: Sky Blue
    Cellphone: +8618078869184
    WhatsApp: +8618078869184
    Wechat: +8618078869184
    E-mail: [email protected]
    QQ: 727926717
    Skype: sky198710021
    Address: No.305 Room HuiLan Building No.273 Huanpu Road Guangzhou China Zip:510620

    English: We accept all payments , such as PayPal, Credit Card, Western Union, Alipay, Money Bookers, T/T, LC, DP, DA, OA, Payoneer, If you have any question , please contact me [email protected] or WhatsApp +8618078869184

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      Every of our item list page bottom on top have a paypal logo to pay.

      Credit Card.If you do not have paypal,but you have credit card,you also can click the Yellow PayPal button to pay with your credit card.

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      But if you have not a credit card and not have a paypal account or difficult to got a paypal accout ,You can use the following:

      Western Union.  www.westernunion.com

       

      Pay by Western Union to me :

      First name/Given name: Yingfeng
      Last name/Surname/ Family name: Zhang
      Full name: Yingfeng Zhang
      Country: China
      City: Guangzhou 

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      T/T .  Pay by T/T (wire transfer/ Telegraphic Transfer/ Bank Transfer)
       
      First BANK INFORMATION (COMPANY ACCOUNT):
      SWIFT BIC: BKCHHKHHXXX
      Bank name: BANK OF CHINA (HONG KONG) LIMITED, HONG KONG
      Bank Address: BANK OF CHINA TOWER, 1 GARDEN ROAD, CENTRAL, HONG KONG
      BANK CODE: 012
      Account Name : FMUSER INTERNATIONAL GROUP LIMITED
      Account NO. : 012-676-2-007855-0
      ---------------------------------------------------------------------
      Second BANK INFORMATION (COMPANY ACCOUNT):
      Beneficiary: Fmuser International Group Inc
      Account Number: 44050158090900000337
      Beneficiary's Bank: China Construction Bank Guangdong Branch
      SWIFT Code: PCBCCNBJGDX
      Address: NO.553 Tianhe Road, Guangzhou, Guangdong,Tianhe District, China
      **Note: When you transfer money to our bank account, please DO NOT write anything in the remark area, otherwise we won't be able to receive the payment due to government policy on international trade business.

    * It will be sent in 1-2 working days when payment clear.

    * We will send it to your paypal address. If you want to change address, please send your correct address and phone number to my email [email protected]

    * If the packages is below 2kg,we will be shipped via post airmail, it will take about 15-25days to your hand.

    If the package is more than 2kg,we will ship via EMS , DHL , UPS, Fedex fast express delivery,it will take about 7~15days to your hand.

    If the package more than 100kg , we will send via DHL or air freight. It will take about 3~7days to your hand.

    All the packages are form China guangzhou.

    * Package will be sent as a "gift" and declear as less as possible,buyer don't need to pay for "TAX".

    * After ship, we will send you an E-mail and give you the tracking number.

    For Warranty .
    Contact US--->>Return the item to us--->>Receive and send another replace .

    Name: Liu xiaoxia
    Address: 305Fang HuiLanGe HuangPuDaDaoXi 273Hao TianHeQu Guangzhou China.
    ZIP:510620
    Phone: +8618078869184

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    FMUSER Wirless Transmit Video And Audio More Easier !

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