Attachment Attachment 2

This document pretains to SES-STA-20190604-00724 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2019060400724_1704798

Telesat Canada                                                                                Attachment 2a


            SATELLITE EARTH STATION AUTHORIZATIONS
       FCC Form 312 - Schedule B (Technical and Operational Description)




 E1. Site Identifier:                                  1
 E2. Contact Name:                                     Jio Castro (Intellian Technologies USA, Inc.)
 E3. Street Address or Area of Operation:              3172 N. Andrews Avenue Extension
 E4. State:                                            Florida
 E5. Call Sign:                                        NEW
 E6. Phone Number:                                     213-465-5829
 E7. City:                                             Pompano Beach
 E8. County:                                           Broward
 E9. Zip Code:                                         33064
 E11. Latitude:                                        26° 16' 9.8" N
 E12. Longitude:                                       80° 08' 8.9" W
 E13. Lat/Long Coordinates are:                        NAD 83
 E14. Site Elevation (AMSL):                           4m


 E15. If the proposed antenna(s) operate in the Fixed Satellite Service (FSS) with            N/A
 geostationary satellites, do(es) the proposed antenna(s) comply with the antenna gain
 patterns specified in Section 25.209(a) and (b) as demonstrated by the manufacturer's
 qualification measurement? If NO, provide as a technical analysis showing compliance
 with two-degree spacing policy.
 E16. If the proposed antenna(s) do not operate in the Fixed Satellite Service (FSS), or if   N/A
 they operate in the Fixed Satellite Service (FSS) with non-geostationary satellites,
 do(es) the proposed antenna(s) comply with the antenna gain patterns specified in
 Section 25.209(a2) and (b) as demonstrated by the manufacturer's qualification
 measurements?
 E17. Is the facility operated by remote control? If YES, provide the location and            No
 telephone number of the control point.
 E18. Is frequency coordination required? If YES, attach a frequency coordination             No (See
 report.                                                                                      Narrative
                                                                                              Attachment)
 E19. Is coordination with another country required? If YES, attach the name of the           No
 country(ies) and plot of coordination contours
 E20. FAA Notification - (See 47 CFR Part 17 and 47 CFR part 25.113(c)) Where FAA             N/A (i.e.
 notification is required, have you attached a copy of a completed FCC Form 854 and/or        FAA
 the FAA's study regarding the potential hazard of the structure to aviation?                 Notification
 FAILURE TO COMPLY WITH 47 CFR PARTS 17 AND 25 WILL RESULT IN THE RETURN OF                   not
 THIS APPLICATION.                                                                            required)


Telesat Canada                                                                                Attachment 2a


POINTS OF COMMUNICATION

 Satellite Name
 E21. Common Name:                                      Telesat Leo-1
 E22. ITU Name:                                         COMMSTELLATION
 E23. Orbit Location:                                   Non-GEO
 E24. Country:                                          Canada


POINTS OF COMMUNICATION (Destination Points)

 E25. Site Identifier                                   N/A: loop-back tests to Site 1 only
 E26. Common Name
 E27. Country


ANTENNA

 Site ID E.28.          E29.        E30.              E31.          E32 Antenna      E41/42. Antenna Gain
         Antenna        Quantity    Manufacturer      Model         Size (m)         Transmit or Receive (__dBi at
         ID                                                                          __GHz)
  1      1              1           Intellian         V150Ka        1.50             46.5 at 19.05
  1      1              1           Intellian         V150Ka        1.50             50.0 at 28.85




 E.28.     E33/34.          E35.        E36.        E37. Building   E38. Max Total    E39. Maximum     E40. Total
 Antenna   Diameter         Above       Above       Height Above    Input Power at    Antenna Height   EIRP for all
 ID        Minor/Major      Ground      Sea Level   Ground Level    Antenna Flange    Above Rooftop    Carriers
           (m)              Level (m)   (m)         (m)             (W)               (m)              (dBW)
 1          1.50 / 1.50      1.95        5.95       N/A              29.6              N/A              64.7


Telesat Canada
                                                                                                                                      Attachment 2a




FREQUENCY
E28.      E 43/44. Frequency          E45. T/R   E46. Antenna       E47.          E48. Max EIRP     E49. Max EIRP               E50. Modulation and Services
Antenna   Band (MHz)                  Mode       Pol (H, V, L, R)   Emission      per Carrier       Density per Carrier
ID                                                                  Designator    (dBW)             (dBW/4KHz)
1         28600 - 29100               T          L                  30M0D1D       61.7              22.9                        DATA (256 APSK)
1         28600 - 29100               T          L                  47M6D1D       61.7              21.0                        DATA (128 APSK)
1         28600 - 29100               T          L                  208MD1D       61.7              14.5                        DATA (64 APSK)
1         18800 - 19300               R          R                  30M0D1D                                                     DATA (256 APSK)
1         18800 - 19300               R          R                  47M6D1D                                                     DATA (128 APSK)
1         18800 - 19300               R          R                  208MD1D                                                     DATA (64 APSK)




FREQUENCY COORDINATION

E28.      E 51.       E52/53. Frequency      E454/55 Range of         E56. Earth      E57. Earth     E58. Earth           E59. Earth        E60. Max EIRP
Antenna   Satellite   Limits (MHz)           Satellite Arc            Station Az.     Station        Station Az.          Station           Density toward
ID        Orbit                              Eastern/Western          Angle           Elevation      Angle Western        Elevation         the Horizon
          Type                               Limit                    Eastern Limit   Angle Lower    Limit                Angle Upper       (dBW/4KHz)
                                                                                      Limit                               Limit
1         NGSO        28600 - 29100          NON-GEO                  0               15             360                  115               -27.5
1         NGSO        18800 - 19300          NON-GEO                  0               15             360                  115


Attachment 2a                                                           Radiation Hazard Study
                                                                            1.5 meter Ka-Band



                                          INTRODUCTION

The FCC adopted new guidelines and procedures in 1996 for evaluating environmental effects
of radio frequency (RF) emissions. In order to provide assistance in determining whether
proposed or existing transmitting facilities comply with the new guidelines, the FCC Office of
Engineering and Technology revised OET Bulletin 65. The revised version updates limits for
Maximum Permissible Exposure (MPE) in terms of electric and magnetic field strength and
power density for transmitters operating at frequencies between 300 kHz and 100 GHz. This
bulletin was adopted by the FCC in their General Docket No. 97-303 on August 25, 1997. In
order to comply with the requirements of the Report and Order, calculations to determine the
power flux densities in the far field, near field, and reflector regions of the earth station
antenna have been made and are contained in this study.

The FCC guidelines incorporate two separate tiers of exposure limits that are dependent on the
situation in which the exposure takes place and the status of the individuals who are subject to
exposure. The earth station transmitting equipment and antenna are located within a
controlled area and not accessible to the general public. Entry is restricted to employees who
have been made fully aware of the potential for human exposure and can exercise control over
their exposure. Therefore occupational / controlled exposure maximum power density limits
are used in this study.

The FCC Office of Engineering and Technology suggests a method for calculating the maximum
values of the power densities emanating from an aperture antenna in OET bulletin 65. This
method is used to determine the power densities associated with the satellite antenna.

The Intellian Ka-Band satellite earth station will be equipped with an amplifier supplying a
maximum output power, P, at the antenna flange of P= 29.6 watts. The transmitter will feed
the antenna with diameter D = 1.5 meters. Its efficiency is  =0.49. The highest frequency of
the transmitted signal is 29,100 MHz, corresponding to a wavelength of  = 0.01 m. Its peak
gain is G = 50.0 dBi, and the radius of the feed subreflector is Rfeed = 3.2 cm

Antenna Surface: The maximum power density at the antenna surface, Ssurface may be
expressed as:
                         4P
           S surface =
                          A

       Using the parameters for the antenna:

                 A = ( (D / 2) 2 )
                   = ( (1.5 m / 2) 2 )
                   = 1.7 m 2


                                               1


Attachment 2a                                                          Radiation Hazard Study
                                                                           1.5 meter Ka-Band

           Ssurface   = 4 (29.6 W) / 1.7 m 2
                      = 118.4 W / 1.7 m 2
                      = 67.0 W / m 2
                      = 6.7 mW / cm 2


Near- Field Region: In the near field of the main beam the power density can reach a maximum
before it begins to decrease with distance. The extent of the near field, Rnf , can be described
by the following equation:

                      D2
                Rnf =
                      4

Using the parameters for this antenna:

               Rnf = (1.5 m) 2 / 4(0.01 m)
                      = 2.3 / .04 m
                      = 54.6 m

The magnitude of the on axis power density varies according to location in the near field.
However, the maximum value of the near field, on axis, power density, S nf , can be expressed
by the following equation:

                         16P
                S nf =
                         D 2

Using the parameters for this antenna:

                S nf = 16 (.49) (29.6 W) /  (1.5 m) 2
                      = 231.0 W / 7.1 m 2
                      = 32.7 W / m 2
                      = 3.3 mW / cm 2




                                                 2


Attachment 2a                                                              Radiation Hazard Study
                                                                               1.5 meter Ka-Band


Far Field Region: For purposes of evaluating RF exposure, the distance to the beginning of the
far field region, R ff , can be approximated by the following equation:



                         0. 6 D 2
                R ff =
                            

Using the parameters for this antenna:

                R ff = 0.6 (1.5 m) 2 / .01 m
                    = 131.0 m

The power density in the far field region of the antenna pattern decreases inversely as the
square of the distance. The on-axis power density, S ff , in the far field region of the radiation
pattern can be estimated by the equation:

                S ff = PG / 4R 2

                where R = distance to the point of interest


Using the parameters for this antenna, the maximum power in the far field, at R = 131 m is:

                S ff = 29.6 W (10(50.0 dBi/10)) / 4 () (131) 2
                    = 2960000 /215785.4
                    = 13.7 W / m 2
                    = 1.4 mW / cm 2




                                                     3


Attachment 2a                                                          Radiation Hazard Study
                                                                           1.5 meter Ka-Band
Region between Feed and Reflector: The RF energy radiated from the feed system is confined
to a conical shape whose vertex is located at the feed subreflector and extends reflector
surface. The power density at any point in this region, S feed , is expressed by the equation:

              S feed = P/Afeed

            where Afeed is the area of the feed subreflector:

                Afeed = π R2feed

Using the parameters for this antenna, the power density is:

             S feed = 29.6 / ( (0.032)²)
                     = 9201 W/m²
                     = 920.1 mW / cm²




                                               4


Attachment 2a                                                           Radiation Hazard Study
                                                                            1.5 meter Ka-Band




                                          CONCLUSION

The results of the above calculations are summarized in the following table.


                Region                              Power Density              Remarks


       Antenna Surface                              6.7 mW/cm²                  Hazardous

       Main Reflector Sub-reflector Region          920.1 mW/cm²                Hazardous

       Near Field < 54.6 meters                     3.3 mW/cm²                   Safe Level

       Far Field   > 131.0 meters                   1.4 mW/cm²                   Safe Level


Results of this hazard study indicate that the antenna does not exceed the 5 mW/cm² MPE limit
for Occupational/Controlled Exposure in the 1500 – 100,000 MHz range in areas directly in
front of the antenna in the near field and the far field. The areas where the antenna exceeds
the limit are at the antenna surface and in the region between the reflector and the feed horn.
To ensure there is no harmful exposure to personnel, they will not be in contact with these
areas while the antenna is operating. Whenever they are required to work on the radiating or
reflecting parts of the antenna structure, the transmitter will be turned off.

Based on this study of predicted radio frequency levels, the conclusion is that the operation of
this satellite earth station meets OET Bulletin 65 maximum permissible exposure limits and
that no harmful effects will occur to station personnel or anyone within proximity of the
station.

Therefore, in accordance with 47 CFR § 1.1307 (b) of the Commission's Rules, preparation and
submission of an Environmental Assessment (EA) is not required.




                                                5


Telesat Canada                                                                                 Attachment 2b


            SATELLITE EARTH STATION AUTHORIZATIONS
       FCC Form 312 - Schedule B (Technical and Operational Description)




 E1. Site Identifier:                                  2
 E2. Contact Name:                                     William Mudge (Speedcast)
 E3. Street Address or Area of Operation:              1335 Gateway Drive, Suite 2013
 E4. State:                                            Florida
 E5. Call Sign:                                        NEW
 E6. Phone Number:                                     321-733-9015
 E7. City:                                             Melbourne
 E8. County:                                           Brevard
 E9. Zip Code:                                         32919
 E11. Latitude:                                        28°05'15.4"N
 E12. Longitude:                                       80°38'51.9"W
 E13. Lat/Long Coordinates are:                        NAD 83
 E14. Site Elevation (AMSL):                           8m


 E15. If the proposed antenna(s) operate in the Fixed Satellite Service (FSS) with              N/A
 geostationary satellites, do(es) the proposed antenna(s) comply with the antenna gain
 patterns specified in Section 25.209(a) and (b) as demonstrated by the manufacturer's
 qualification measurement? If NO, provide as a technical analysis showing compliance
 with two-degree spacing policy.
 E16. If the proposed antenna(s) do not operate in the Fixed Satellite Service (FSS), or if     N/A
 they operate in the Fixed Satellite Service (FSS) with non-geostationary satellites, do(es)
 the proposed antenna(s) comply with the antenna gain patterns specified in Section
 25.209(a2) and (b) as demonstrated by the manufacturer's qualification
 measurements?
 E17. Is the facility operated by remote control? If YES, provide the location and              No
 telephone number of the control point.
 E18. Is frequency coordination required? If YES, attach a frequency coordination report.       No, See
                                                                                                Attachment
 E19. Is coordination with another country required? If YES, attach the name of the             No
 country(ies) and plot of coordination contours
 E20. FAA Notification - (See 47 CFR Part 17 and 47 CFR part 25.113(c)) Where FAA               N/A (i.e.
 notification is required, have you attached a copy of a completed FCC Form 854 and/or          FAA
 the FAA's study regarding the potential hazard of the structure to aviation?                   Notification
 FAILURE TO COMPLY WITH 47 CFR PARTS 17 AND 25 WILL RESULT IN THE RETURN OF                     not
 THIS APPLICATION.                                                                              required)


Telesat Canada                                                                                Attachment 2b


POINTS OF COMMUNICATION

 Satellite Name
 E21. Common Name:                                      Telesat Leo-1
 E22. ITU Name:                                         COMMSTELLATION
 E23. Orbit Location:                                   Non-GEO
 E24. Country:                                          Canada


POINTS OF COMMUNICATION (Destination Points)

 E25. Site Identifier                                   N/A: loop-back tests to Site 2 only
 E26. Common Name
 E27. Country


ANTENNA

 Site ID E.28.          E29.        E30.              E31.          E32 Antenna      E41/42. Antenna Gain
         Antenna        Quantity    Manufacturer      Model         Size (m)         Transmit or Receive (__dBi at
         ID                                                                          __GHz)
  2      2              1           Seatel            4412          1.10             44.9 at 19.25
  2      2              1           Seatel            4412          1.10             48.1 at 29.05




 E.28.     E33/34.          E35.        E36.        E37. Building   E38. Max Total    E39. Maximum     E40. Total
 Antenna   Diameter         Above       Above       Height Above    Input Power at    Antenna Height   EIRP for all
 ID        Minor/Major      Ground      Sea Level   Ground Level    Antenna Flange    Above Rooftop    Carriers
           (m)              Level (m)   (m)         (m)             (W)               (m)              (dBW)
 2          1.1/ 1.1         2.05       10.05       N/A              20.5              N/A              61.2


Telesat Canada                                                                                                                           Attachment 2b




FREQUENCY
E28.      E 43/44. Frequency          E45. T/R   E46. Antenna       E47.          E48. Max EIRP     E49. Max EIRP              E50. Modulation and Services
Antenna   Band (MHz)                  Mode       Pol (H, V, L, R)   Emission      per Carrier       Density per Carrier
ID                                                                  Designator    (dBW)             (dBW/4KHz)
2         29000 - 29100               T          L                  47M6D1D       58.2              17.4                       DATA (64 APSK)
2         19200 - 19300               R          R                  47M6D1D                                                    DATA (64 APSK)




FREQUENCY COORDINATION

E28.      E 51.       E52/53. Frequency      E454/55 Range of         E56. Earth      E57. Earth     E58. Earth           E59. Earth       E60. Max EIRP
Antenna   Satellite   Limits (MHz)           Satellite Arc            Station Az.     Station        Station Az.          Station          Density toward
ID        Orbit                              Eastern/Western          Angle           Elevation      Angle Western        Elevation        the Horizon
          Type                               Limit                    Eastern Limit   Angle Lower    Limit                Angle Upper      (dBW/4KHz)
                                                                                      Limit                               Limit
2         NGSO        29000 - 29100          NON-GEO                  0               15             360                  90               -31.1
2         NGSO        19200 - 19300          NON-GEO                  0               15             360                  90


Attachment 2b                                                           Radiation Hazard Study
                                                                            1.1 meter Ka-Band



                                          INTRODUCTION

The FCC adopted new guidelines and procedures in 1996 for evaluating environmental effects
of radio frequency (RF) emissions. In order to provide assistance in determining whether
proposed or existing transmitting facilities comply with the new guidelines, the FCC Office of
Engineering and Technology revised OET Bulletin 65. The revised version updates limits for
Maximum Permissible Exposure (MPE) in terms of electric and magnetic field strength and
power density for transmitters operating at frequencies between 300 kHz and 100 GHz. This
bulletin was adopted by the FCC in their General Docket No. 97-303 on August 25, 1997. In
order to comply with the requirements of the Report and Order, calculations to determine the
power flux densities in the far field, near field, and reflector regions of the earth station
antenna have been made and are contained in this study.

The FCC guidelines incorporate two separate tiers of exposure limits that are dependent on the
situation in which the exposure takes place and the status of the individuals who are subject to
exposure. The earth station transmitting equipment and antenna are located within a
controlled area and not accessible to the general public. Entry is restricted to employees who
have been made fully aware of the potential for human exposure and can exercise control over
their exposure. Therefore occupational / controlled exposure maximum power density limits
are used in this study.

The FCC Office of Engineering and Technology suggests a method for calculating the maximum
values of the power densities emanating from an aperture antenna in OET bulletin 65. This
method is used to determine the power densities associated with the satellite antenna.

The Seatel 4412 Ka-Band satellite antenna will be equipped with an amplifier supplying a
maximum output power, P, at the antenna flange of P= 20.5 Watts. The transmitter will feed
the antenna with diameter D = 1.1 meters. Its efficiency is  =0.57. The highest frequency of
the transmitted signal is 29,100 MHz, corresponding to a wavelength of  = 0.01 m. Its peak
gain is G = 48.1 dBi, and the radius of the feed horn is Rfeed = 0.53 cm

Antenna Surface: The maximum power density at the antenna surface, Ssurface may be
expressed as:
                         4P
           S surface =
                          A

       Using the parameters for the antenna:

                 A = ( (D / 2) 2 )
                   = ( (1.1 m / 2) 2 )
                   = 1.0 m 2


                                               1


Attachment 2b                                                          Radiation Hazard Study
                                                                           1.1 meter Ka-Band

           Ssurface   = 4 (20.5 W) / 1.0 m 2
                      = 81.8 W / 1.0 m 2
                      = 86.1 W / m 2
                      = 8.6 mW / cm 2


Near- Field Region: In the near field of the main beam the power density can reach a maximum
before it begins to decrease with distance. The extent of the near field, Rnf , can be described
by the following equation:

                      D2
                Rnf =
                      4

Using the parameters for this antenna:

               Rnf = (1.1 m) 2 / 4(0.01 m)
                      = 1.2 / .04 m
                      = 29.4 m

The magnitude of the on axis power density varies according to location in the near field.
However, the maximum value of the near field, on axis, power density, S nf , can be expressed
by the following equation:

                         16P
                S nf =
                         D 2

Using the parameters for this antenna:

                S nf = 16 (.57) (20.5 W) /  (1.1 m) 2
                      = 186.6 W / 3.8 m 2
                      = 49.1 W / m 2
                      = 4.9 mW / cm 2




                                                 2


Attachment 2b                                                              Radiation Hazard Study
                                                                               1.1 meter Ka-Band


Far Field Region: For purposes of evaluating RF exposure, the distance to the beginning of the
far field region, R ff , can be approximated by the following equation:



                         0. 6 D 2
                R ff =
                            

Using the parameters for this antenna:

                R ff = 0.6 (1.1 m) 2 / .01 m
                    = 70.5 m

The power density in the far field region of the antenna pattern decreases inversely as the
square of the distance. The on-axis power density, S ff , in the far field region of the radiation
pattern can be estimated by the equation:

                S ff = PG / 4R 2

                where R = distance to the point of interest


Using the parameters for this antenna, the maximum power in the far field, at R = 131 m is:

                S ff = 20.5 W (10(48.1 dBi/10)) / 4 () (70.5) 2
                    = 1321387 /62406.2
                    = 21.2 W / m 2
                    = 2.1 mW / cm 2




                                                      3


Attachment 2b                                                          Radiation Hazard Study
                                                                           1.1 meter Ka-Band
Region between Feed and Reflector: The RF energy radiated from the feed system is confined
to a conical shape whose vertex is located at the feed subreflector and extends reflector
surface. The power density at any point in this region, S feed , is expressed by the equation:

              S feed = P/Afeed

            where Afeed is the area of the feed subreflector:

                Afeed = π R2feed

Using the parameters for this antenna, the power density is:

             S feed = 20.4 / ( (0.005)²)
                     = 228967 W/m²
                     = 22897 mW / cm²




                                               4


Attachment 2b                                                           Radiation Hazard Study
                                                                            1.1 meter Ka-Band




                                          CONCLUSION

The results of the above calculations are summarized in the following table.


                Region                              Power Density              Remarks


       Antenna Surface                              8.6 mW/cm²                  Hazardous

       Reflector and Feed Region                    22897 mW/cm²                Hazardous

       Near Field < 29.4 meters                     4.9 mW/cm²                  Safe Level

       Far Field   > 70.5 meters                    2.1 mW/cm²                  Safe Level


Results of this hazard study indicate that the antenna does not exceed the 5 mW/cm² MPE limit
for Occupational/Controlled Exposure in the 1500 – 100,000 MHz range in areas directly in
front of the antenna in the near field and the far field. The areas where the antenna exceeds
the limit are at the antenna surface and in the region between the reflector and the feed horn.
To ensure there is no harmful exposure to personnel, they will not be in contact with these
areas while the antenna is operating. Whenever they are required to work on the radiating or
reflecting parts of the antenna structure, the transmitter will be turned off.

Based on this study of predicted radio frequency levels, the conclusion is that the operation of
this satellite earth station meets OET Bulletin 65 maximum permissible exposure limits and
that no harmful effects will occur to station personnel or anyone within proximity of the
station.

Therefore, in accordance with 47 CFR § 1.1307 (b) of the Commission's Rules, preparation and
submission of an Environmental Assessment (EA) is not required.




                                                5



Document Created: 2019-05-28 13:51:56
Document Modified: 2019-05-28 13:51:56

© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC