Attachment Link Budget Link 2

This document pretains to SES-AMD-20050617-00772 for Amended Filing on a Satellite Earth Station filing.

IBFS_SESAMD2005061700772_440508

HISPASAT-LINK BUDGET
DIGITAL SERVICES

REF. LINK
TRANSPONDER Nº
SATELLITE                                   HISPASAT-1C                   Rain              Rain
                                                      Clear Sky            up               down


GENERAL DATA
Transponder bandwidth(MHz)                                  36
carrier type                                            DIGITAL
Modulation                                               QPSK
Information rate (Kb/s)                                  11790         OVERHEAD              1
FEC                                                        0.59       Reed Solomon      1
bandwidth occupied (KHz)                                13488.56
BER                                                     1.00E-08
Nº of carriers                                             2.00            2.29             1.75
IBO total (dB)                                             6.00
OBO total (dB)                                            3.200
C/I intermodulation                                      30.000
Occupation factor                                          1.32
availability (% )                                         99.50
satellite longitude                                        -30


UPLINK
E/T Tx Name                                             new York
E/T Tx (degrees E) Longitude                             -74.00
E/T Tx (degrees N) latitude                               40.75
E/T Tx (m) Altitude                                      100.00
Uplink Frecuency (GHz)                                    14.00
EIRP E/T Tx.(dBW)                                         69.00

E/T Tx example
HPA (W)                                        8.00
HPA-antena (dB) loss                           0.20   ES off axis psd (dBW/Hz)
Ant. gain (dB)                                60.17      -62.47
Ant. Diameter (m)                              8.63

Polarization discrim (dB)                                 35.00
Accuracy polarization(º)                                   0.10
% unavailability                                                         0.13000
Rain atten.                                                                3.30
Atmosp. Atten. loss (dB)                                   0.20
aiming error loss (dB)                                     0.30
sky loss (dB)                                            207.21
D.F.P. (dBW/m2)                                          -96.14           -99.44
saturation D.F.P.in the BEAM CENTER (dBW/m2)             -87.70
Back-off Input (dB)                                        8.44           11.74
Geogr. advantage (dB)                                     -1.80
G/T satellite in the BEAM CENTER (dB/K)                    4.30
C/N up (dB)                                               21.09           17.79
C/I cochannel up(dB)                                      23.89           20.59
C/(N+I without other interf. satellites up) (dB)          17.24           13.94
psd Interference from satellite 2º(dBW/Hz)               -50.00
C/I with other interf. Satelllites 2º up (dB)             26.23           22.93
c/(N+I) with other interf. Satelllites up (dB)            16.72           13.42
Xpolar Interference excess (dB)                            4.0




                                                                          Rain               rain
                                                        Clear sky          up               down

DOWNLINK

E/T Rx Name                                             BOGOTA
E/T Rx (degrees E) Longitude                             -74.10
E/T Rx (degrees N) Latitude                                4.60
E/T Rx (m) Altitude                                       95.00
Down Frecuency (GHz)                                      12.00                    SAT deirp (dBW/Hz)
EIRP satellite in the beam center (dBW)                   48.00                           -30.93
Back-off output (dB)                                       5.64            8.94
Geogr. advantage (dB)                                     -2.00
% unavailability                                                                         0.37000
Rain Atten.                                                                                2.00
Atmosp. Atten. loss (dB)                                  0.20
aiming error loss (dB)                                    0.30
sky loss (dB)                                            205.60
G/T E/T Rx. (dB/K)                                       19.20                              17.39
E/T Rx Example
Ant. Gain(dB)                                42.28
antenna-receptor loss(dB)                     0.20
Tlna (ºK)                                    140.00
Ta (ºK)                                      43.00
Tsyst. (ºK)                                  194.12
Ant. Diameter (m)                             1.24

Polarization discrim.(dB)                                 30.00
C/N down (dB)                                             10.77            7.47             6.96
C/I cochannel down(dB)                                    23.64           23.64             23.64
C/I channel adjacent (dB)                                 24.70           24.70             24.70
C/(N+I without other interf. satellites down) (dB)        10.36            7.26             6.78
deirp Interference from satellite 2º(dBW/Hz)             -30.00
C/I with other interf. Satelllites 2º down (dB)           17.87           17.87             15.87
c/(N+I) with other interf. Satelllites up (dB)             9.65            6.89             6.28
Xpolar Interference excess (dB)                            1.2




GLOBAL RESULTS

C/(N+I without other interf. satellites TOTAL) (dB)       9.55             6.41              6.41
C/(N+I with other interf. satellites) Total (dB)          8.87             6.02              5.90
Excess margin (dB)                                        0.00             0.00              0.00
Eb/No available (interf nominal)(dB)                      9.46             6.61              6.49
Eb/No request (dB)                                        6.50             6.50              6.50
Margin (nominal)(dB)                                      2.96             0.11             -0.01



Document Created: 2005-07-08 15:41:11
Document Modified: 2005-07-08 15:41:11

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