Attachment Sched S Tech Report

This document pretains to SAT-MOD-20170317-00053 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2017031700053_1201636

Approved by OMB 3060-0678 Estimated Burden: up to 80 hours April 2016 312 File Number: SATMOD2017031700053 Filing Description Question Response Description S2862 modification to add up to 6 NGSO satellites to the SkySat constellation system

Satellite Question Response Information Select Orbit Type NGSO Space Station or Satellite Network Name S2862 SkySat Constellation Estimated Lifetime of Satellite(s) From Date of Launch 6 Years Will the space station(s) operate on a Common Carrier No basis?

Operating Mode Frequency Nature of service Description Frequency Band(s) Type Bands (2) Earth Exploration-Satellite 2025.0 MHz Receive Service -2110.0 MHz Earth Exploration-Satellite 8025.0 MHz Transmit Service -8400.0 MHz

Orbital Question Response Information For Non- Total Number of Satellites in the active constellation 6 Geostationary Satellites Orbit Epoch Date 03/20/2018 Celestrial Reference Body Earth

Orbital Plane 1: Question Response Number of Satellites in Plane 6 Inclination Angle 97.41 degrees Right Ascension of Ascending Node 157.5 degrees Argument of Perigee 0.0 degrees Orbital Period 5684.0 seconds Apogee 500.0 km Perigee 500.0 km Active Service Arc Begin Angle with respect to Ascending Node 0.0 degrees Active Service Arc End Angle with respect to Ascending Node 360.0 degrees Mean Anomaly For Each Satellite Satellite Number Mean Anomaly (degrees) at the Orbit Epoch Date 1 0.0 2 60.0 3 120.0 4 180.0 5 240.0 6 300.0

Receiving Question Response Beams 1: Beam ID CMD Receive Beam Frequency 2025.0 MHz -2110.0 MHz Beam Type Fixed Polarization RHCP Peak Gain 2.0 dBi Antenna Pointing Error 0.1 degrees Antenna Rotational Error 0.0 degrees Polarization Switchable Polarization Alignment Relative to the Equatorial 45.0 degrees Plane G/T at Max. Gain Point -27.4 dB/K Min. Saturation Flux Density -106.0 dBW/m2 Max. Saturation Flux Density -82.5 dBW/m2 Co- or Cross Polar Mode C Service Area Description VISIBLEEARTH

Receiving Center Channels (2) Channel Channel Frequency s Feeder Link, Service ID Bandwidth (MHz) (MHz) Link or TT&C CMD2 0.124 2083.0 TT&C CMD1 0.124 2081.0 TT&C

Transmitting Question Response Beams 1: Beam ID TTC Transmit Beam Frequency 8025.0 MHz -8400.0 MHz Beam Type Fixed Polarization RHCP Peak Gain 5.0 dBi Antenna Pointing Error 0.1 degrees Antenna Rotational Error 0.0 degrees Polarization Switchable Polarization Alignment Relative to the Equatorial 45.0 degrees Plane Max. Transmit EIRP Density -53.5 dBW/Hz Max. Transmit EIRP 0.63 dBW Co- or Cross Polar Mode C Service Area Description VISIBLEEARTH 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): 4.0 -154.8 -152.7 -150.9 -149.3 -148.0 -142.4 kHz Transmitting Question Response Beams 2: Beam ID PLD Transmit Beam Frequency 8025.0 MHz -8400.0 MHz

Beam Type Fixed Polarization RHCP Peak Gain 27.0 dBi Antenna Pointing Error 0.1 degrees Antenna Rotational Error 0.0 degrees Polarization Switchable Polarization Alignment Relative to the Equatorial 45.0 degrees Plane Max. Transmit EIRP Density -54.9 dBW/Hz Max. Transmit EIRP 24.0 dBW Co- or Cross Polar Mode C Service Area Description VISIBLEEARTH 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): 4.0 -156.3 -154.5 -152.9 -151.5 -150.1 -143.8 kHz

Transmitting Center Channels (10) Channel Channel Frequency s Feeder Link, Service ID Bandwidth (MHz) (MHz) Link or TT&C PLD2 60.0 8200.0 Feeder Link TTC4 0.512 8380.0 TT&C TTC3 0.512 8375.0 TT&C TTC2 0.256 8380.0 TT&C TTC1 0.256 8375.0 TT&C PLD1 60.0 8075.0 Feeder Link PLD6 100.0 8325.0 Feeder Link PLD5 100.0 8200.0 Feeder Link PLD4 100.0 8075.0 Feeder Link PLD3 60.0 8325.0 Feeder Link

Certification Question Response Questions Are the applicable service area N/A 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 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 requirements of 25.210 met? If the application is for a 17/24 GHz 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 payload_antenna. PLD NGSO Antenna PDF file (*.pdf) pdf Gain Data ttc_s-band.pdf CMD NGSO Antenna PDF file (*.pdf) Gain Data ttc_x-band.pdf TTC NGSO Antenna PDF file (*.pdf) Gain Data


Document Created: 2017-03-17 18:17:06
Document Modified: 2017-03-17 18:17:06
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