Attachment Schedule S document

This document pretains to SAT-AMD-20050323-00071 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2005032300071_425132

Project Marisat UHF 25 kHz                                         File:   Marisat 25K_A
TRANSMIT EARTH STATION                                   RECEIVE EARTH STATION
  Code/Standard    Mobile                                 Code/Standard    Mobile
  Name/Location Ship Board                                Name/Location    Ship Board

SATELLITE
 Type                     Marisat F2                       Transponder            A (25 kHz
 Location                     326.1 E                      Gain step
 Maximum Possible Allotment                                   0.025 MHz
 Actual Full Transponder Bandwidth                            0.025 MHz

CARRIER
 Info data rate                    2.4    kbit/s           Type
 FEC Inner                      0.5760    (1=None)         Availability                         %
 FEC Outer R/S                  1.0000    (1=None)         Modulation             BPSK
 Overhead                       0.0000    % (0 = None)

Uplink satellite G/T b.e.                                      -18.0 dB/K         Full Transponder
Downlink satellite saturation EIRP b.e.                         23.0 dBW          Full Transponder

Transponder operating point total IBO                           0.0 dB
Transponder operating point OBO                                 0.0 dB
Number of Carriers at this point                         Single     Carriers
Xpndr IM Noise density b.e.                                  -99.00 dBW/Hz
Co-channel interference 'X' value                              16.8 dB
Uplink Other UHF users Noise density b.e.                    -31.80 dBW/Hz

Receive E/S actual G/T                                        -27.00 dB/K     @     0.25415 MHz
Uplink tracking error allowance                                  1.0 dB
Downlink tracking error allowance                                1.0 dB

G/T Degradation due to Downlink Rain Fade                        0.0 dB
Uplink margin allowance                                          0.0 dB
Downlink margin allowance                                        0.0 dB

BE Uplink Flux Pattern Advantage                                0.00 dB
BE Uplink G/T Pattern Advantage                                 0.00 dB
BE Downlink Pattern Advantage                                   0.00 dB

Uplink path loss                                              174.54   dB  @        0.30775 MHz
Downlink path loss                                            172.87   dB  @        0.25415 MHz
Uplink carrier frequency                                       0.308   MHz
Downlink carrier frequency                                     0.254   MHz



                                          Minimum Clear Sky Requirements

Nominal Info+OH Eb/No                               13.5 dB
Nominal B.E.P.                                  1.00E-05 %



COMSAT General MARISAT F2 LINK BUDGET

Project           Marisat UHF 25 kHz
Summary of link noise contributions
C/No Uplink Thermal                                             58.1      dB/Hz          24.3   Eb/No   Uplink Thermal
C/No Uplink Other UHF users                                     53.8      dB/Hz          20.0   Eb/No   Uplink Other UHF users
C/No Uplink                                                     52.4      dB/Hz          18.6   Eb/No   Uplink
C/No DownLink X-pol & ASI                                       53.8      dB/Hz          20.0   Eb/No   DownLink X-pol & ASI
C/No Down Thermal                                               50.7      dB/Hz          16.9   Eb/No   Down Thermal
C/No Down link                                                  49.0      dB/Hz          15.2   Eb/No   Down link


C/No Link   47.4   dB/Hz   13.6 Eb/No Link


Link Budget Details
Parameter                                        Units
Transmit EIRP                         23.00      dBW
Transmit E/S tracking error              1.0      dB
Uplink margin                            0.0      dB
Uplink path loss                      174.5       dB
Uplink B.E. Flux Pattern Advantage       0.0      dB
Gain 1 m2                              -48.8    dB/m2
Uplink B.E. carrier flux density     -201.3    dBW/m2
Downlink saturated B.E. EIRP            23.0     dBW

C/T AND C/N CALCULATIONS:

Transmit EIRP                           23.0    dBW
Transmit E/S tracking error              1.0     dB
Uplink margin                            0.0     dB
Uplink path loss                      174.5      dB
Uplink B.E. G/T Pattern Advantage        0.0     dB
Satellite B.E. G/T                     -18.0    dB/K
C/T)up Thermal                       -170.5    dBW/K
C/T) Uplink Other UHF users          -174.8    dBW/K
C/T)up                               -176.2    dBW/K

Downlink B.E. EIRP .                    23.0    dBW
Receive E/S tracking error               1.0     dB
Downlink margin                          0.0     dB
Downlink path loss                    172.9      dB
Downlink B.E. Pattern Advantage          0.0     dB
Receive E/S G/T                        -27.0    dB/K
C/T)dn Thermal                       -177.9    dBW/K

C/T) DownLink X-pol & ASI            -174.8    dBW/K
C/T)t Down Link                      -179.6    dBW/K

C/T)t Link                           -181.2  dBW/K
Boltzmann's constant                 -228.6 dBW/Hz-K
C/No Link                              47.4   dB/Hz
Tx Rate                                 4.2
Symbol Rate                             4.2    kbps
Occupied BW (1.2 Sym)                   5.0    kHz
10 log (occupied BW)                   37.0   dB-Hz
C/N                                    10.4     dB
Information rate Eb/No                 13.6     dB
Transmission rate Eb/No                11.2     dB
Co/No                                  11.2     dB
Spectrum Analyser (Co+No)/No           11.5     dB



Document Created: 2019-04-19 15:19:56
Document Modified: 2019-04-19 15:19:56

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