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การติดตั้งจาน ... - tcns.thaicom.net

1 Video Operations and Turnkey Services Department KU-Band 5 1. Latitude (Lat.) Longitude (Long.) (Azimuth: AZ ) (Elevation: EL) 5 2. Latitude Longitude (AZ ) (EL) Website: Lat. Long. 5 Calculate 3. Latitude Longitude Latitude Longitude Website: 5 Calculate (AZ ) (EL) _____ * : Azimuth ( ) Elevation ( ) Point Azimuth (AZ) AZ = tan-1 = Latitude = Longitude ( ) Longitude ()

2 Video Operations and Turnkey Services Department 4. ส ารวจทิศทางมุม(ที่ได้จากการค านวนจากข้อที่ 2 หรือ 3 ที่จะหันหน้าจานไปรับสัญญาณจากดาวเทียม

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Transcription of การติดตั้งจาน ... - tcns.thaicom.net

1 1 Video Operations and Turnkey Services Department KU-Band 5 1. Latitude (Lat.) Longitude (Long.) (Azimuth: AZ ) (Elevation: EL) 5 2. Latitude Longitude (AZ ) (EL) Website: Lat. Long. 5 Calculate 3. Latitude Longitude Latitude Longitude Website: 5 Calculate (AZ ) (EL) _____ *.

2 Azimuth ( ) Elevation ( ) Point Azimuth (AZ) AZ = tan-1 = Latitude = Longitude ( ) Longitude ( ) Elevation (EL) EL = tan-1 = Latitude = Longitude ( ) Longitude ( ) R = ( 6,370 Km.) H = (35,680 Km.) _____ 2 Video Operations and Turnkey Services Department 4. ( 2 3 5 5.)

3 90 4 90 6. ( (AZ ) (EL)) 2 3 5 (AZ) 240 (EL) 60 * : Link Margin 6.

4 LNB LNB LNB 4 -5 7. F-Type RG6 8. ( ) 3 Video Operations and Turnkey Services Department 2 1. Receiver Receiver Receiver 2. Spectrum Analyzer Receiver Spectrum Analyzer L-Band Real time Spectrum Analyzer Cross POL Feed LNB 1.

5 Receiver ( Receiver True Visions) 1. Receiver 5 Frequency : GHz. (Transponder 4H) Symbol Rate: Msym/s. FEC : 2/3 Polarization : Horizontal LNB Frequency : GHz. ( Local Freq. LNB ) TEST Receiver True Vision 4 Video Operations and Turnkey Services Department 2. 5 240 60 ( Scale ) LNB ( )

6 Scale - Connect LNB 4 5 Video Operations and Turnkey Services Department - - - - 3. - ( ) - - - - - 99% 97 % 6 Video Operations and Turnkey Services Department (Quality)

7 - - - 3 99% 100% 7 Video Operations and Turnkey Services Department 4. Check Cross Pol Polarization Horizontal Vertical Pol Ver * : Pol Ver set Polarization Horizontal Vertical 1 * : Cross Pol Pol Pol ( Pol Ver Cross Pol Pol.)

8 Hor Transponder Pol. ) LNB LNB Pol Transponder 4H Transponder Feed ( Pol. Hor. ) Link Margin 5. LNB Pol Ver 0 % 99% 100 % 87% 34% Polarization Horizontal Polarization Vertical 8 Video Operations and Turnkey Services Department ( Transponder 4H 5 Pol Hor Pol Ver ) Pol.

9 Ver Feed Pol. Hor Pol. Ver ( 34% 0% ) 6. Pol Pol Hor. Tune Point Point Spectrum Analyzer Cross Pol LNB 99% 100 % Polarization Horizontal Polarization Vertical 77% 0 % 9 Video Operations and Turnkey Services Department 2. Spectrum Analyzer Spectrum Analyzer Receiver 1.

10 Receiver 5 Frequency : GHz. (Transponder 4) Symbol Rate: Msym/s. FEC : 2/3 Polarization : Horizontal LNB Frequency : GHz. ( Local Freq. LNB ) 2. - - Carrier Spectrum analyzer TEST Spectrum Analyzer Splitter Spectrum Analyzer Receiver True Vision 10 Video Operations and Turnkey Services Department Carrier Ku band * : - Carrier Maximum Function Track - Carrier : a.


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