Attachment Sched S Tech Report

This document pretains to SAT-MOD-20190516-00039 for Modification on a Satellite Space Stations filing.


                                                                                  Approved by OMB 3060-0678
                                                                               Estimated Burden: up to 80 hours
                                                                                                     April 2016




                     312 File Number: SATMOD2019051600039




Filing Description    Question      Response

                      Description   Silkwave Africa is applying to modify the Afristar-2 license to launch
                                    and operate the replacement L-Band satellite at 21E longitude
                                    orbital location


Satellite     Question                                                       Response
Information
              Select Orbit Type                                              GSO

              Space Station or Satellite Network Name                        S2666

              Estimated Lifetime of Satellite(s) From Date of Launch         15 Years

              Will the space station(s) operate on a Common Carrier basis?   No


Operating                                                   Frequency Band   Mode
Frequency   Nature of service                 Description   (s)              Type
Bands (2)
            Other Satellite Service (please   BSS           7025.0 MHz       Receive
            specify)                          (Sound)       -7075.0 MHz

            Other Satellite Service (please   BSS           1452.0 MHz       Transmit
            specify)                          (Sound)       -1492.0 MHz


Orbital           Section                          Question                         Response
Information For
Geostationary     Orbital Longitude Information    Orbital Longitude                21.0
Satellites                                                                          degrees

                                                   Hemisphere of Orbital            E
                                                   Longitude

                  Longitudinal Tolerance or East   Toward West                      0.05
                  /West Station-Keeping                                             degrees

                                                   Toward East                      0.05
                                                                                    degrees

                  Inclination Excursion or North   Inclination Excursion or North   0.1
                  /South Station-Keeping           /South Station-Keeping           degrees
                  Tolerance                        Tolerance

                  Antenna Axis Attitude Accuracy   Roll                             0.1
                                                                                    degrees

                                                   Pitch                            0.1
                                                                                    degrees

                                                   Yaw                              0.1
                                                                                    degrees


Receiving   Question                                            Response
Beams 1:
            Beam ID                                             X1

            Receive Beam Frequency                              7025.0 MHz -7075.0
                                                                MHz

            Beam Type                                           Spot

            Polarization                                        LHCP

            Peak Gain                                           30.0 dBi

            Antenna Pointing Error                              0.12 degrees

            Antenna Rotational Error                            0.0 degrees

            Polarization Switchable                             Yes

            Polarization Alignment Relative to the Equatorial   45.0 degrees
            Plane

            G/T at Max. Gain Point                              4.0 dB/K

            Min. Saturation Flux Density                        -115.0 dBW/m2

            Max. Saturation Flux Density                        -70.0 dBW/m2

            Co- or Cross Polar Mode                             C

            Service Area Description                            Uplink area description




Receiving   Question                                            Response
Beams 2:
            Beam ID                                             X2

            Receive Beam Frequency                              7025.0 MHz -7075.0
                                                                MHz

            Beam Type                                           Spot

            Polarization                                        LHCP

            Peak Gain                                           30.0 dBi

            Antenna Pointing Error                              0.12 degrees

            Antenna Rotational Error                            0.0 degrees


Polarization Switchable                             Yes

Polarization Alignment Relative to the Equatorial   45.0 degrees
Plane

G/T at Max. Gain Point                              4.0 dB/K

Min. Saturation Flux Density                        -115.0 dBW/m2

Max. Saturation Flux Density                        -70.0 dBW/m2

Co- or Cross Polar Mode                             C

Service Area Description                            Uplink area description


Receiving                                  Center
Channels (3)   Channel   Channel           Frequency s   Feeder Link, Service
               ID        Bandwidth (MHz)   (MHz)         Link or TT&C

               3         1.0               7074.0        TT&C

               1         50.0              7050.0        Feeder Link

               2         1.0               7072.0        TT&C


Transmitting   Question                                                 Response
Beams 1:
               Beam ID                                                  L1

               Transmit Beam Frequency                                  1452.0 MHz -1492.0 MHz

               Beam Type                                                Spot

               Polarization                                             LHCP

               Peak Gain                                                30.0 dBi

               Antenna Pointing Error                                   0.12 degrees

               Antenna Rotational Error                                 0.0 degrees

               Polarization Switchable

               Polarization Alignment Relative to the Equatorial        45.0 degrees
               Plane

               Max. Transmit EIRP Density                               -5.9 dBW/Hz

               Max. Transmit EIRP                                       69.7 dBW

               Co- or Cross Polar Mode                                  C

               Service Area Description                                 L-Band transmit service
                                                                        area




               Max. Power Flux Density

                                                     * 10° -   * 15° -           * 20° -   * 25° -
                          * 0° - 5°     * 5° - 10°   15°       20°               25°       90°
                 *        (dbW/m2       (dbW/m2      (dbW/m2   (dbW/m2           (dbW/m2   (dbW/m2
                 BW:      /BW):         /BW):        /BW):     /BW):             /BW):     /BW):

                 1.0      -161.0        -152.0       -144.0    -140.0            -136.0    -130.0
                 MHz




Transmitting   Question                                                     Response
Beams 2:
               Beam ID                                                      L2

               Transmit Beam Frequency                                      1452.0 MHz -1492.0
                                                                            MHz


               Beam Type                                                 Spot

               Polarization                                              LHCP

               Peak Gain                                                 30.0 dBi

               Antenna Pointing Error                                    0.12 degrees

               Antenna Rotational Error                                  0.0 degrees

               Polarization Switchable

               Polarization Alignment Relative to the Equatorial         45.0 degrees
               Plane

               Max. Transmit EIRP Density                                -5.9 dBW/Hz

               Max. Transmit EIRP                                        69.7 dBW

               Co- or Cross Polar Mode                                   C

               Service Area Description                                  L-Band Service area




               Max. Power Flux Density

                                                     * 10° -   * 15° -        * 20° -   * 25° -
                          * 0° - 5°     * 5° - 10°   15°       20°            25°       90°
                 *        (dbW/m2       (dbW/m2      (dbW/m2   (dbW/m2        (dbW/m2   (dbW/m2
                 BW:      /BW):         /BW):        /BW):     /BW):          /BW):     /BW):

                 1.0      -161.0        -152.0       -144.0    -140.0         -136.0    -130.0
                 MHz




Transmitting   Question                                                  Response
Beams 3:
               Beam ID                                                   L3

               Transmit Beam Frequency                                   1452.0 MHz -1492.0
                                                                         MHz

               Beam Type                                                 Spot

               Polarization                                              LHCP

               Peak Gain                                                 30.0 dBi

               Antenna Pointing Error                                    0.12 degrees


               Antenna Rotational Error                                  0.0 degrees

               Polarization Switchable

               Polarization Alignment Relative to the Equatorial         45.0 degrees
               Plane

               Max. Transmit EIRP Density                                -5.9 dBW/Hz

               Max. Transmit EIRP                                        69.7 dBW

               Co- or Cross Polar Mode                                   C

               Service Area Description                                  L-Band Service area




               Max. Power Flux Density

                                                     * 10° -   * 15° -        * 20° -   * 25° -
                          * 0° - 5°     * 5° - 10°   15°       20°            25°       90°
                 *        (dbW/m2       (dbW/m2      (dbW/m2   (dbW/m2        (dbW/m2   (dbW/m2
                 BW:      /BW):         /BW):        /BW):     /BW):          /BW):     /BW):

                 1.0      -161.0        -152.0       -144.0    -140.0         -136.0    -130.0
                 MHz




Transmitting   Question                                                  Response
Beams 4:
               Beam ID                                                   L4

               Transmit Beam Frequency                                   1452.0 MHz -1492.0
                                                                         MHz

               Beam Type                                                 Spot

               Polarization                                              LHCP

               Peak Gain                                                 30.0 dBi

               Antenna Pointing Error                                    0.12 degrees

               Antenna Rotational Error                                  0.0 degrees

               Polarization Switchable

               Polarization Alignment Relative to the Equatorial         45.0 degrees
               Plane

               Max. Transmit EIRP Density                                -5.9 dBW/Hz


               Max. Transmit EIRP                                        69.7 dBW

               Co- or Cross Polar Mode                                   C

               Service Area Description                                  L-Band Service area




               Max. Power Flux Density

                                                     * 10° -   * 15° -        * 20° -   * 25° -
                          * 0° - 5°     * 5° - 10°   15°       20°            25°       90°
                 *        (dbW/m2       (dbW/m2      (dbW/m2   (dbW/m2        (dbW/m2   (dbW/m2
                 BW:      /BW):         /BW):        /BW):     /BW):          /BW):     /BW):

                 1.0      -161.0        -152.0       -144.0    -140.0         -136.0    -130.0
                 MHz




Transmitting   Question                                                  Response
Beams 5:
               Beam ID                                                   L5

               Transmit Beam Frequency                                   1452.0 MHz -1492.0
                                                                         MHz

               Beam Type                                                 Spot

               Polarization                                              LHCP

               Peak Gain                                                 30.0 dBi

               Antenna Pointing Error                                    0.12 degrees

               Antenna Rotational Error                                  0.0 degrees

               Polarization Switchable

               Polarization Alignment Relative to the Equatorial         45.0 degrees
               Plane

               Max. Transmit EIRP Density                                -5.9 dBW/Hz

               Max. Transmit EIRP                                        69.7 dBW

               Co- or Cross Polar Mode                                   C

               Service Area Description




               Max. Power Flux Density


                                                     * 10° -   * 15° -        * 20° -   * 25° -
                          * 0° - 5°     * 5° - 10°   15°       20°            25°       90°
                 *        (dbW/m2       (dbW/m2      (dbW/m2   (dbW/m2        (dbW/m2   (dbW/m2
                 BW:      /BW):         /BW):        /BW):     /BW):          /BW):     /BW):

                 1.0      -161.0        -152.0       -144.0    -140.0         -136.0    -130.0
                 MHz




Transmitting   Question                                                  Response
Beams 6:
               Beam ID                                                   L6

               Transmit Beam Frequency                                   1452.0 MHz -1492.0
                                                                         MHz

               Beam Type                                                 Spot

               Polarization                                              LHCP

               Peak Gain                                                 30.0 dBi

               Antenna Pointing Error                                    0.12 degrees

               Antenna Rotational Error                                  0.0 degrees

               Polarization Switchable

               Polarization Alignment Relative to the Equatorial         45.0 degrees
               Plane

               Max. Transmit EIRP Density                                -5.9 dBW/Hz

               Max. Transmit EIRP                                        69.7 dBW

               Co- or Cross Polar Mode                                   C

               Service Area Description




               Max. Power Flux Density

                                                     * 10° -   * 15° -        * 20° -   * 25° -
                          * 0° - 5°     * 5° - 10°   15°       20°            25°       90°
                 *        (dbW/m2       (dbW/m2      (dbW/m2   (dbW/m2        (dbW/m2   (dbW/m2
                 BW:      /BW):         /BW):        /BW):     /BW):          /BW):     /BW):

                 1.0      -161.0        -152.0       -144.0    -140.0         -136.0    -130.0
                 MHz


Transmitting   Question                                                  Response
Beams 7:
               Beam ID                                                   L7

               Transmit Beam Frequency                                   1452.0 MHz -1492.0
                                                                         MHz

               Beam Type                                                 Spot

               Polarization                                              LHCP

               Peak Gain                                                 30.0 dBi

               Antenna Pointing Error                                    0.12 degrees

               Antenna Rotational Error                                  0.0 degrees

               Polarization Switchable

               Polarization Alignment Relative to the Equatorial         45.0 degrees
               Plane

               Max. Transmit EIRP Density                                -5.9 dBW/Hz

               Max. Transmit EIRP                                        69.7 dBW

               Co- or Cross Polar Mode                                   C

               Service Area Description




               Max. Power Flux Density

                                                     * 10° -   * 15° -        * 20° -   * 25° -
                          * 0° - 5°     * 5° - 10°   15°       20°            25°       90°
                 *        (dbW/m2       (dbW/m2      (dbW/m2   (dbW/m2        (dbW/m2   (dbW/m2
                 BW:      /BW):         /BW):        /BW):     /BW):          /BW):     /BW):

                 1.0      -161.0        -152.0       -144.0    -140.0         -136.0    -130.0
                 MHz




Transmitting   Question                                                  Response
Beams 8:
               Beam ID                                                   L8

               Transmit Beam Frequency                                   1452.0 MHz -1492.0
                                                                         MHz


Beam Type                                                 Spot

Polarization                                              LHCP

Peak Gain                                                 30.0 dBi

Antenna Pointing Error                                    0.12 degrees

Antenna Rotational Error                                  0.0 degrees

Polarization Switchable

Polarization Alignment Relative to the Equatorial         45.0 degrees
Plane

Max. Transmit EIRP Density                                -5.9 dBW/Hz

Max. Transmit EIRP                                        69.7 dBW

Co- or Cross Polar Mode                                   C

Service Area Description




Max. Power Flux Density

                                      * 10° -   * 15° -       * 20° -    * 25° -
          * 0° - 5°      * 5° - 10°   15°       20°           25°        90°
  *       (dbW/m2        (dbW/m2      (dbW/m2   (dbW/m2       (dbW/m2    (dbW/m2
  BW:     /BW):          /BW):        /BW):     /BW):         /BW):      /BW):

  1.0     -161.0         -152.0       -144.0    -140.0        -136.0     -130.0
  MHz


Transmitting                               Center
Channels (3)   Channel   Channel           Frequency s   Feeder Link, Service
               ID        Bandwidth (MHz)   (MHz)         Link or TT&C

               3         1.0               1491.0        TT&C

               1         25.0              1479.5        Service Link

               2         1.0               1453.0        TT&C


Certification   Question                                        Response
Questions
                Are the applicable service area                 Yes
                coverage requirements of 25.143(b)(2)
                (ii) and (iii), or 25.144(a)(3)(i), or 25.145
                (c)(1) and (2), or 25.146(i)(1) and (2),
                or 25.148(c), or 25.225 met?

                Are the applicable frequency                    Yes
                tolerances of 25.202(e) and out-of-
                band emission limits of 25.202(f)(1),(2),
                and (3) met?

                Are the cessation of emissions                  Yes
                requirements of 25.207 met?

                Are the applicable power-flux-density           Yes
                limits of 25.208 met, and is the
                appropriate technical showing provided
                within the application?

                For NGSO applications, are the                  N/A
                applicable equivalent-power-flux-
                density limits of 25.208 met, and is the
                appropriate technical showing provided
                within the application?

                Are the applicable full-frequency-reuse         Yes
                requirements of 25.210 met?

                If the application is for a 17/24 GHz           No
                BSS space station, will it be operated
                at an offset location with full power and
                interference protection in accordance
                with 25.262(b)?


Attachments                                                 Attachment
              File Name          Beam   Field               Type           Description

              X-band.gxt         X2     GSO Antenna         GXT file (*.   X2 Uplink
                                        Gain Contour Data   gxt)           Antenna
                                                                           Data

              L-band-1.gxt       L1     GSO Antenna         GXT file (*.   L1 Transmit
                                        Gain Contour Data   gxt)           beam

              X-band.gxt         X1     GSO Antenna         GXT file (*.   X1 Uplink
                                        Gain Contour Data   gxt)           Antenna
                                                                           Data

              X-Band Uplink      X1     Service Area        PDF file (*.   Uplink area
              Service Area.pdf          Diagram             pdf)

              X-Band Uplink      X2     Service Area        PDF file (*.   Uplink area
              Service Area.pdf          Diagram             pdf)

              L Band Service     L1     GSO Antenna         PDF file (*.   L-Band
              Area Diagram.pdf          Gain Contour Data   pdf)           transmit
                                                                           service area

              L-band-2.gxt       L2     GSO Antenna         GXT file (*.   L2 Transmit
                                        Gain Contour Data   gxt)           beam

              L Band Service     L2     GSO Antenna         PDF file (*.   L-Band
              Area Diagram.pdf          Gain Contour Data   pdf)           Service area

              L Band Service     L2     GSO Antenna         PDF file (*.   L-Band
              Area Diagram.pdf          Gain Contour Data   pdf)           Service Area

              L-band-3.gxt       L3     GSO Antenna         GXT file (*.   L3 Transmit
                                        Gain Contour Data   gxt)           beam

              L Band Service     L3     GSO Antenna         PDF file (*.   L-Band
              Area Diagram.pdf          Gain Contour Data   pdf)           Service area

              L-band-4.gxt       L4     GSO Antenna         GXT file (*.   L4 transmit
                                        Gain Contour Data   gxt)           beam

              L Band Service     L4     Service Area        PDF file (*.   L-Band
              Area Diagram.pdf          Diagram             pdf)           Service area

              L Band Service     L5     Service Area        PDF file (*.   L5 Service
              Area Diagram.pdf          Diagram             pdf)           area

              L-band-5.gxt       L5     GSO Antenna         GXT file (*.   L5 Transmit
                                        Gain Contour Data   gxt)           beam


L-band-6.gxt       L6   GSO Antenna         GXT file (*.   L6 Transmit
                        Gain Contour Data   gxt)           beam

L Band Service     L6   Service Area        PDF file (*.   L6 Service
Area Diagram.pdf        Diagram             pdf)           Area

L-band-7.gxt       L7   GSO Antenna         GXT file (*.   L7 Transmit
                        Gain Contour Data   gxt)           beam

L Band Service     L7   Service Area        PDF file (*.   L7 Service
Area Diagram.pdf        Diagram             pdf)           area

L-band-8.gxt       L8   GSO Antenna         GXT file (*.   L8 Transmit
                        Gain Contour Data   gxt)           beam

L Band Service     L8   Service Area        PDF file (*.   L8 Service
Area Diagram.pdf        Diagram             pdf)           area



Document Created: 2019-05-23 15:17:09
Document Modified: 2019-05-23 15:17:09

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