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Mr. Alberto Simao - Macau S.A.R_Insat 4B at 93.5°E - C band _3 725 H PACKET DD Doordarshan India and measuring the quality with the offset antenna 120 cm & spectrum analyzer Rohde & Schwarz ETL & Prolink 4C Premium

Posted April 8th, 2010 by Roman Dávid.

Insat 4B at 93.5°E - C band _3 725 H PACKET DD Doordarshan India with offset antenna 120  cm at Macau S.A.R.

                                                                         click for higher quality
 Insat 4B at 93.5 e _ C band footprint_Macau SAR _ offset 120 cm_RS and Promax Prolink 4C premium

                Insat 4B at 93.5°E - 4B footprint : measurements at the center Macau-60 km west of Hong Kong
                                          geographical location : Latitude: 22.1987°   _   Longitude: 113.5439°
                                      measurement results are derived from the 120 cm diameter antenna
                                                                          elevation angle  : 55.5°    

        Insat 4B at 93.5°E:offset 120 cm              Insat 4B at 93.5°E : footprint             Insat 4B : measurement point
   Insat 4B at 93.5 e _ C band footprint_Macau SAR _ offset 120 cmInsat 4B at 93.5 e _ 4B footprint from antrix corporation India _ C bandInsat 4B at 93.5 e _ C band footprint_Macau SAR _map

                                   Insat 4B : full H spectrum                                 Insat 4B : 3 725 H DD Doordarshan
                               Rohde & Schwarz ETL analyzer                                 Promax Prolink 4C Premium
                         Insat 4B at 93.5 e _ C band footprint_Macau SAR _ offset 120 cm_4B spectral analysis_full H spectrum                  Insat 4B at 93.5 e _ C band footprint_Macau SAR _ offset 120 cm_4B spectral analysis_3 725 H DD India netw

                               3 725 H :Packet DD _  NIT 01                                   3 725 H :Packet DD _  NIT 02
                         Insat 4B at 93.5 e _ C band footprint_Macau SAR _ offset 120 cm_3 725 H DD India netw_NIT 01                   Insat 4B at 93.5 e _ C band footprint_Macau SAR _ offset 120 cm_3 725 H DD India netw_NIT 02

measurement results :

Dear visitors of the portal dxsatcs.com ,
 
C band from Insat 4B : I can decode the services and I try Tandberg receiver DVB-S 1260 and the signals freeze to much due to
the antenna only 1,2 Mtrs Offset.
 
attached for reference some pics...

current state of the satellite Insat 3A/4B at 93.5°E in C band : Insat 3A/4B at 93.5°E