Attachment Frequency Bands

This document pretains to SAT-LOA-20190102-00001 for Application to Launch and Operate on a Satellite Space Stations filing.

IBFS_SATLOA2019010200001_1598216

                             Exhibit B
                         HawkEye 360, Inc.
               Response to Question 24, FCC Form 312


                     Table of Frequency Bands

    Frequency Band               Use                Transmit Center
         (MHz)                                      Frequency (MHz)
X-band: 8025-8400       Primary payload          Sat#1 - 8075 MHz
                        downlink                 Sat#2 - 8165 MHz
                                                 Sat#3 - 8255 MHz
                                                 Sat#4 - 8345 MHz
X-Band: 8025-8400       TT&C downlink            Sat#1 - 8291 MHz
                                                 Sat#2 - 8297 MHz
                                                 Sat#3 - 8303 MHz
                                                 Sat#4 - 8309 MHz
S-Band: 2200-2290       Emergency Backup         Sat#1 - 2236 MHz
                        TT&C downlink            Sat#2 - 2242 MHz
                                                 Sat#3 - 2254 MHz
                                                 Sat#4 - 2260 MHz
S-Band: 2025-2110       Primary payload uplink   Sat#1 - 2068.2 MHz
                                                 Sat#2 - 2062.7 MHz
                                                 Sat#3 - 2077.4 MHz
                                                 Sat#4 - 2072.0 MHz
S-Band: 2025-2110       TT&C uplink              Sat#1 - 2063.965 MHz
                                                 Sat#2 - 2064.965 MHz
                                                 Sat#3 - 2065.965 MHz
                                                 Sat#4 - 2065.465 MHz
S-Band: 2025-2110       High Speed TT&C          Sat#1 - 2063.965 MHz
                        uplink                   Sat#2 - 2064.965 MHz
                                                 Sat#3 - 2065.965 MHz
                                                 Sat#4 - 2065.465 MHz


                                        Exhibit B
                                    HawkEye 360, Inc.
                          Response to Question 24, FCC Form 312

                                  Receive-Only Frequencies

                                                Frequency (MHz)
              AIS 1                             161.9625-161.9875
              AIS 2                             162.0125-162.0375
              AIS 3                             156.7625-156.7875
              AIS 4                             156.8125-156.8375
              DSC                               156.5125-156.5375
              EPIRB                             406.0-406.1
              Automatic Dependent               1087.7-1092.3
              Surveillance – Broadcast (“ADS-
              B”)




                           Receive Signal Tuning Frequency Ranges

   Antenna Types          Frequency Ranges           Gain         Intended Use
     VHF Dipole              100-182 MHz            2.0 dBi       AIS processing and signal
                                                                  geolocation
     UHF Dipole              382-422 MHz            2.0 dBi       EPIRB processing and
                                                                  geolocation
     ADS-B Patch               1090 MHz             5.0 dBi       L-band signal geolocation
                          (on frequency only)
    L-band Patch              1.6-1.7 GHz           6.3 dBi       L-band signal geolocation
    S-band Patch              2.9-3.1 GHz           7.0 dBi       S-band signal geolocation
Molded Button Antenna         1.4-7.0 GHz           5.0 dBi       Broadband spectrum scanning
                                                                  and monitoring; signal
                                                                  occupation and ID
    Horn Antenna             6.0-18.0 GHz          10.4 dBi       Marine X-Band RADAR and Ku-
                                                                  band SATCOM geolocation and
                                                                  signal metadata



Document Created: 2018-12-18 11:56:19
Document Modified: 2018-12-18 11:56:19

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