HellasSAT Hellas-Sat 2 User Manual Download | Manualshive

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User’s Manual

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September 2005

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Summary of Contents for Hellas-Sat 2

Page 1: ...User s Manual H He el ll la as s S Sa at t 2 2 S Sa at te el ll li it te e U US SE ER R s s M MA AN NU UA AL L September 2005 1...

Page 2: ...their systems planning and implementation of satellite services However depending on the case the information and guidance provided cannot be considered as a specification but only as a reference tool...

Page 3: ...ted anywhere over the surface of the visible Earth currently pointing M East S2 and S Africa S1 1 3 FREQUENCY PLAN The frequencies and polarization arrangement of the Hellas Sat 2 satellite transponde...

Page 4: ...by channel basis It is also possible to downlink S2 channels of the 14 25 14 50 GHz band via the F2 antenna in the 11 45 11 70 GHz band but in this case the F2 channels have to be downlinked via the S...

Page 5: ...User s Manual 5 Figure 1 Hellas SAT frequency Plan...

Page 6: ...operation the Camp has 27 gain steps step 0 to 26 with a step size of 1 5 0 3 dB In ALC mode the Camp output signal power is set by telecommand to the required level while the input power may vary ov...

Page 7: ...0 80 90 74 96 76 80 71 15 9 M 88 32 79 95 91 12 80 02 87 16 81 22 82 95 77 3 13 H 94 66 86 29 97 37 86 27 93 44 87 50 89 16 83 51 Table 1 Average SFD values for transponder saturation versus sensitivi...

Page 8: ...arriers for example for 3 carriers there are 9 products and for 5 carriers there are 50 However in most cases only the third order intermodulation products falling within the frequency band of the wan...

Page 9: ...cial coordination and agreement by HELLAS SAT Prior to accessing the Hellas Sat 2 space segment capacity all transmit Earth Station operators have to submit to HELLAS SAT Operations Department Earth S...

Page 10: ...the customer must be ready to go behind specific steps Particularly the Shift Engineer will require the following step by step sequence to be precisely tagged along A CHECK IN 1 Check the antenna reg...

Page 11: ...om Satmaster indicating the required fields needed from the satellite operator G T and EIRP can be extracted from the coverages provided in Annex C G TAthens 6 6dB K EIRPLondon 53dBW SFD can be extrac...

Page 12: ...RP Pattern 8 00 7 00 6 00 5 00 4 00 3 00 2 00 1 00 0 00 1 00 2 00 3 00 4 00 Theta cos phi in Degrees 2 00 4 00 6 00 8 00 10 00 Theta sin phi in Degrees 8 37 8 6 6 6 4 4 4 2 2 2 0 0 0 SATSOFT F1 Horizo...

Page 13: ...00 6 00 4 00 2 00 0 00 2 00 4 00 Theta cos phi in Degrees 2 00 4 00 6 00 8 00 10 00 Theta sin phi in Degrees 11 10 10 8 8 8 8 8 6 6 6 6 4 4 4 2 2 2 2 SATSOFT F2 Horizontal Receive 14 021 MHz G T Patte...

Page 14: ...0 4 00 2 00 0 00 2 00 4 00 Theta cos phi in Degrees 9 00 8 00 7 00 6 00 5 00 4 00 3 00 2 00 1 00 0 00 Theta sin phi in Degrees 5 5 10 10 10 5 94 4 4 4 4 4 2 2 2 2 0 0 0 0 2 2 2 2 SATSOFT S1 Vertical R...

Page 15: ...2 4 4 4 4 6 6 6 6 6 8 8 8 8 8 10 10 10 10 12 12 12 12 14 14 14 14 SAT SOF T S2 Vertical Receive 14 476 MHz G T Pattern 6 00 4 00 2 00 0 00 2 00 4 00 6 00 Theta cos phi in Degrees 1 00 0 00 1 00 2 00 3...

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